[nysbirds-l] Radar activities

[Gus Keri]

significant radar activities over the Tri-state area this morning associated 
with northerly wind suggesting significant amount of migration is taking place 
right now.

https://www.pauljhurtado.com/US_Composite_Radar/2021-8-14/

Hope some will land in the park/beach near you
Have a good birding day 

--

NYSbirds-L List Info:
http://www.NortheastBirding.com/NYSbirdsWELCOME.htm
http://www.NortheastBirding.com/NYSbirdsRULES.htm
http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm

ARCHIVES:
1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
3) http://birding.aba.org/maillist/NY01

Please submit your observations to eBird:
http://ebird.org/content/ebird/

--

[nysbirds-l] Radar activities

[Gus Keri]

significant radar activities over the Tri-state area this morning associated 
with northerly wind suggesting significant amount of migration is taking place 
right now.

https://www.pauljhurtado.com/US_Composite_Radar/2021-8-14/

Hope some will land in the park/beach near you
Have a good birding day 

--

NYSbirds-L List Info:
http://www.NortheastBirding.com/NYSbirdsWELCOME.htm
http://www.NortheastBirding.com/NYSbirdsRULES.htm
http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm

ARCHIVES:
1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
3) http://birding.aba.org/maillist/NY01

Please submit your observations to eBird:
http://ebird.org/content/ebird/

--

[nysbirds-l] Radar activities in NYC & LI

[Gus Keri]

A surprising high radar activities (green color) this early morning (around 
3:40 am) covering NYC and Long Island. I haven't seen it all this migration 
season.
check this map at 2:40 am CT:
https://www.pauljhurtado.com/US_Composite_Radar/2020-6-1/

It suggests a significant number of birds landing in these areas.
Good luck

--

NYSbirds-L List Info:
http://www.NortheastBirding.com/NYSbirdsWELCOME.htm
http://www.NortheastBirding.com/NYSbirdsRULES.htm
http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm

ARCHIVES:
1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
3) http://birding.aba.org/maillist/NY01

Please submit your observations to eBird:
http://ebird.org/content/ebird/

--

[nysbirds-l] Radar activities in NYC & LI

[Gus Keri]

A surprising high radar activities (green color) this early morning (around 
3:40 am) covering NYC and Long Island. I haven't seen it all this migration 
season.
check this map at 2:40 am CT:
https://www.pauljhurtado.com/US_Composite_Radar/2020-6-1/

It suggests a significant number of birds landing in these areas.
Good luck

--

NYSbirds-L List Info:
http://www.NortheastBirding.com/NYSbirdsWELCOME.htm
http://www.NortheastBirding.com/NYSbirdsRULES.htm
http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm

ARCHIVES:
1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
3) http://birding.aba.org/maillist/NY01

Please submit your observations to eBird:
http://ebird.org/content/ebird/

--

[nysbirds-l] Radar map

[Gus Keri]

https://www.pauljhurtado.com/US_Composite_Radar/2019-9-21/

There is a lot of radar activities (green color) in NYC and the Tristate area 
this early morning (2 to 4 am) suggestive of a lot of birds landing. 
Today looks to be a good birding day. 
Good luck. 


--

NYSbirds-L List Info:
http://www.NortheastBirding.com/NYSbirdsWELCOME.htm
http://www.NortheastBirding.com/NYSbirdsRULES.htm
http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm

ARCHIVES:
1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
3) http://birding.aba.org/maillist/NY01

Please submit your observations to eBird:
http://ebird.org/content/ebird/

--

[nysbirds-l] Radar map

[Gus Keri]

https://www.pauljhurtado.com/US_Composite_Radar/2019-9-21/

There is a lot of radar activities (green color) in NYC and the Tristate area 
this early morning (2 to 4 am) suggestive of a lot of birds landing. 
Today looks to be a good birding day. 
Good luck. 


--

NYSbirds-L List Info:
http://www.NortheastBirding.com/NYSbirdsWELCOME.htm
http://www.NortheastBirding.com/NYSbirdsRULES.htm
http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm

ARCHIVES:
1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
3) http://birding.aba.org/maillist/NY01

Please submit your observations to eBird:
http://ebird.org/content/ebird/

--

[nysbirds-l] Radar map

[Gus Keri]

My goodness!
I just checked the radar map before I go to bed. The whole north east is on 
fire (radar activities-wise).
No matter where, it is going to be a good birding day tomorrow.
Check here:
https://radar.weather.gov/Conus/northeast_loop.php
or later:
https://www.pauljhurtado.com/US_Composite_Radar/2019-8-23/



--

NYSbirds-L List Info:
http://www.NortheastBirding.com/NYSbirdsWELCOME.htm
http://www.NortheastBirding.com/NYSbirdsRULES.htm
http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm

ARCHIVES:
1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
3) http://birding.aba.org/maillist/NY01

Please submit your observations to eBird:
http://ebird.org/content/ebird/

--

[nysbirds-l] Radar map

[Gus Keri]

My goodness!
I just checked the radar map before I go to bed. The whole north east is on 
fire (radar activities-wise).
No matter where, it is going to be a good birding day tomorrow.
Check here:
https://radar.weather.gov/Conus/northeast_loop.php
or later:
https://www.pauljhurtado.com/US_Composite_Radar/2019-8-23/



--

NYSbirds-L List Info:
http://www.NortheastBirding.com/NYSbirdsWELCOME.htm
http://www.NortheastBirding.com/NYSbirdsRULES.htm
http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm

ARCHIVES:
1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
3) http://birding.aba.org/maillist/NY01

Please submit your observations to eBird:
http://ebird.org/content/ebird/

--

[nysbirds-l] Radar activities

[Gus Keri]

Interesting radar activities over NYC this morning. 
There was a green radar activities between 7 and 7:30 am, mostly over Brooklyn, 
Queens and Manhattan which might suggest significant new arrival of migrating 
birds.
Check here:
https://radar.weather.gov/radar.php?rid=dix=N0R=1110=yes

If you are reading this email after 8, the activities probably have gone.
You might want to check this page then and zoom over the city at 7 am EST:
https://www.pauljhurtado.com/US_Composite_Radar/2019-7-13/

Have a good birding day
Gus



--

NYSbirds-L List Info:
http://www.NortheastBirding.com/NYSbirdsWELCOME.htm
http://www.NortheastBirding.com/NYSbirdsRULES.htm
http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm

ARCHIVES:
1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
3) http://birding.aba.org/maillist/NY01

Please submit your observations to eBird:
http://ebird.org/content/ebird/

--

[nysbirds-l] Radar activities

[Gus Keri]

Interesting radar activities over NYC this morning. 
There was a green radar activities between 7 and 7:30 am, mostly over Brooklyn, 
Queens and Manhattan which might suggest significant new arrival of migrating 
birds.
Check here:
https://radar.weather.gov/radar.php?rid=dix=N0R=1110=yes

If you are reading this email after 8, the activities probably have gone.
You might want to check this page then and zoom over the city at 7 am EST:
https://www.pauljhurtado.com/US_Composite_Radar/2019-7-13/

Have a good birding day
Gus



--

NYSbirds-L List Info:
http://www.NortheastBirding.com/NYSbirdsWELCOME.htm
http://www.NortheastBirding.com/NYSbirdsRULES.htm
http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm

ARCHIVES:
1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
3) http://birding.aba.org/maillist/NY01

Please submit your observations to eBird:
http://ebird.org/content/ebird/

--

Re: [nysbirds-l] Radar

[Brendan Fogarty]

Gus and all,

For predicting local movements I would recommend referring to a more local
scale radar. Your link shower strong movement last night to our south,
which is indeed an indicator of birds on the ground the next morning here,
but it is not the only one. Checking the below link this morning, I could
see a small line of showers crawling by central New Jersey and a bird-sign
shadow to it’s north. Cape May Bird Observatory posted on Facebook last
night of possible fallout conditions in that area.

http://weather.rap.ucar.edu/radar/

I usually keep all the setting except “Loop Duration” which I usually set
to 6 or 8 hours to see the whole night. Then click a station:  OKX is on
Long Island, DIX is by Philadelphia. Both can be helpful to predict
activity near NYC, since these stations are more “accurate” within a
shorter radius, where the radar beam is bouncing off airborn objects closer
to the ground. Activity over the New York bight just before dawn is a good
sign for new arrivals; activity over the Long Island Sound only is a good
sign for net departures, which is closer to what was visible this AM. Wind
was also northerly (but pretty light, not necessarily inhibitive).

I visited Crocheron Park in Bayside yesterday evening and this morning and
there was no noticeable turnover whatsoever. An Olive-sided Flycatcher was
there, perching up near the west end of the pond, yesterday only.

Best,
Brendan Fogarty

On Wed, May 8, 2019 at 6:39 AM Gus Keri  wrote:

> I believe the best indicator of new birds landing in NYC is the radar
> activities above the city in the early morning hours, before sunrise. Radar
> activities in the evening hours, before midnight, indicate birds leaving
> the city.
> There are activities this early morning which suggest new birds in the
> city.
> Check the time between 1 and 4 am on this page:
>
> https://www.pauljhurtado.com/US_Composite_Radar/2019-5-7/
>
>
> --
>
> NYSbirds-L List Info:
> http://www.NortheastBirding.com/NYSbirdsWELCOME.htm
> http://www.NortheastBirding.com/NYSbirdsRULES.htm
> http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm
>
> ARCHIVES:
> 1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
> 2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
> 3) http://birding.aba.org/maillist/NY01
>
> Please submit your observations to eBird:
> http://ebird.org/content/ebird/
>
> --
>

--

NYSbirds-L List Info:
http://www.NortheastBirding.com/NYSbirdsWELCOME.htm
http://www.NortheastBirding.com/NYSbirdsRULES.htm
http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm

ARCHIVES:
1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
3) http://birding.aba.org/maillist/NY01

Please submit your observations to eBird:
http://ebird.org/content/ebird/

--

Re: [nysbirds-l] Radar

[Brendan Fogarty]

Gus and all,

For predicting local movements I would recommend referring to a more local
scale radar. Your link shower strong movement last night to our south,
which is indeed an indicator of birds on the ground the next morning here,
but it is not the only one. Checking the below link this morning, I could
see a small line of showers crawling by central New Jersey and a bird-sign
shadow to it’s north. Cape May Bird Observatory posted on Facebook last
night of possible fallout conditions in that area.

http://weather.rap.ucar.edu/radar/

I usually keep all the setting except “Loop Duration” which I usually set
to 6 or 8 hours to see the whole night. Then click a station:  OKX is on
Long Island, DIX is by Philadelphia. Both can be helpful to predict
activity near NYC, since these stations are more “accurate” within a
shorter radius, where the radar beam is bouncing off airborn objects closer
to the ground. Activity over the New York bight just before dawn is a good
sign for new arrivals; activity over the Long Island Sound only is a good
sign for net departures, which is closer to what was visible this AM. Wind
was also northerly (but pretty light, not necessarily inhibitive).

I visited Crocheron Park in Bayside yesterday evening and this morning and
there was no noticeable turnover whatsoever. An Olive-sided Flycatcher was
there, perching up near the west end of the pond, yesterday only.

Best,
Brendan Fogarty

On Wed, May 8, 2019 at 6:39 AM Gus Keri  wrote:

> I believe the best indicator of new birds landing in NYC is the radar
> activities above the city in the early morning hours, before sunrise. Radar
> activities in the evening hours, before midnight, indicate birds leaving
> the city.
> There are activities this early morning which suggest new birds in the
> city.
> Check the time between 1 and 4 am on this page:
>
> https://www.pauljhurtado.com/US_Composite_Radar/2019-5-7/
>
>
> --
>
> NYSbirds-L List Info:
> http://www.NortheastBirding.com/NYSbirdsWELCOME.htm
> http://www.NortheastBirding.com/NYSbirdsRULES.htm
> http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm
>
> ARCHIVES:
> 1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
> 2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
> 3) http://birding.aba.org/maillist/NY01
>
> Please submit your observations to eBird:
> http://ebird.org/content/ebird/
>
> --
>

--

NYSbirds-L List Info:
http://www.NortheastBirding.com/NYSbirdsWELCOME.htm
http://www.NortheastBirding.com/NYSbirdsRULES.htm
http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm

ARCHIVES:
1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
3) http://birding.aba.org/maillist/NY01

Please submit your observations to eBird:
http://ebird.org/content/ebird/

--

[nysbirds-l] Radar

[Gus Keri]

I believe the best indicator of new birds landing in NYC is the radar 
activities above the city in the early morning hours, before sunrise. Radar 
activities in the evening hours, before midnight, indicate birds leaving the 
city.
There are activities this early morning which suggest new birds in the city.
Check the time between 1 and 4 am on this page:

https://www.pauljhurtado.com/US_Composite_Radar/2019-5-7/


--

NYSbirds-L List Info:
http://www.NortheastBirding.com/NYSbirdsWELCOME.htm
http://www.NortheastBirding.com/NYSbirdsRULES.htm
http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm

ARCHIVES:
1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
3) http://birding.aba.org/maillist/NY01

Please submit your observations to eBird:
http://ebird.org/content/ebird/

--

[nysbirds-l] Radar

[Gus Keri]

I believe the best indicator of new birds landing in NYC is the radar 
activities above the city in the early morning hours, before sunrise. Radar 
activities in the evening hours, before midnight, indicate birds leaving the 
city.
There are activities this early morning which suggest new birds in the city.
Check the time between 1 and 4 am on this page:

https://www.pauljhurtado.com/US_Composite_Radar/2019-5-7/


--

NYSbirds-L List Info:
http://www.NortheastBirding.com/NYSbirdsWELCOME.htm
http://www.NortheastBirding.com/NYSbirdsRULES.htm
http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm

ARCHIVES:
1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
3) http://birding.aba.org/maillist/NY01

Please submit your observations to eBird:
http://ebird.org/content/ebird/

--

[nysbirds-l] Radar this morning

[Gus Keri]

After fairly quite night, a large amount of radar activities seen over NYC and 
western LI this morning (and even larger amount in NJ, eastern PA and 
Delaware). Most of the activities were after sunrise: between 5:30 am and 7:30 
am) Does this mean a lot of shorebirds started their migration south? Here is 
the map: www.pauljhurtado.com/US_Composite_Radar/2018-7-10/ Unfortunately for 
me, It is the world cup semifinals today. Gus Sent using Zoho Mail
--

NYSbirds-L List Info:
http://www.NortheastBirding.com/NYSbirdsWELCOME.htm
http://www.NortheastBirding.com/NYSbirdsRULES.htm
http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm

ARCHIVES:
1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
3) http://birding.aba.org/maillist/NY01

Please submit your observations to eBird:
http://ebird.org/content/ebird/

--

[nysbirds-l] Radar this morning

[Gus Keri]

After fairly quite night, a large amount of radar activities seen over NYC and 
western LI this morning (and even larger amount in NJ, eastern PA and 
Delaware). Most of the activities were after sunrise: between 5:30 am and 7:30 
am) Does this mean a lot of shorebirds started their migration south? Here is 
the map: www.pauljhurtado.com/US_Composite_Radar/2018-7-10/ Unfortunately for 
me, It is the world cup semifinals today. Gus Sent using Zoho Mail
--

NYSbirds-L List Info:
http://www.NortheastBirding.com/NYSbirdsWELCOME.htm
http://www.NortheastBirding.com/NYSbirdsRULES.htm
http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm

ARCHIVES:
1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
3) http://birding.aba.org/maillist/NY01

Please submit your observations to eBird:
http://ebird.org/content/ebird/

--

[nysbirds-l] Radar phenomenon again

[Gus Keri]

The phenomenon I mentioned before is happening now. The massive amount of birds 
landed in NJ after midnight is spilling over the NY water and reaching the 
south shores of Brooklyn and Queens as we speak.

https://radar.weather.gov/Conus/northeast_loop.php

Looking forward to good birding day as usual whenever I see this phenomenon.



Gus



Sent using Zoho Mail






--

NYSbirds-L List Info:
http://www.NortheastBirding.com/NYSbirdsWELCOME.htm
http://www.NortheastBirding.com/NYSbirdsRULES.htm
http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm

ARCHIVES:
1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
3) http://birding.aba.org/maillist/NY01

Please submit your observations to eBird:
http://ebird.org/content/ebird/

--

[nysbirds-l] Radar phenomenon again

[Gus Keri]

The phenomenon I mentioned before is happening now. The massive amount of birds 
landed in NJ after midnight is spilling over the NY water and reaching the 
south shores of Brooklyn and Queens as we speak.

https://radar.weather.gov/Conus/northeast_loop.php

Looking forward to good birding day as usual whenever I see this phenomenon.



Gus



Sent using Zoho Mail






--

NYSbirds-L List Info:
http://www.NortheastBirding.com/NYSbirdsWELCOME.htm
http://www.NortheastBirding.com/NYSbirdsRULES.htm
http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm

ARCHIVES:
1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
3) http://birding.aba.org/maillist/NY01

Please submit your observations to eBird:
http://ebird.org/content/ebird/

--

[nysbirds-l] Radar this morning

[Gus Keri]

http://www.pauljhurtado.com/US_Composite_Radar/2018-5-14/

Go to this map and zoom over New York City at 4:40 am CT (5:40 am ET) and 
afterward. There are a lot of activities over the city, again, coming from the 
shores of New Jersey.

On the current radar: https://radar.weather.gov/Conus/northeast_loop.php which 
it would be late for you to see, in particular at 7 am ET, there were a lot of 
birds activities (green color) over Brooklyn and Queens.



Good luck birding



Sent using Zoho Mail






--

NYSbirds-L List Info:
http://www.NortheastBirding.com/NYSbirdsWELCOME.htm
http://www.NortheastBirding.com/NYSbirdsRULES.htm
http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm

ARCHIVES:
1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
3) http://birding.aba.org/maillist/NY01

Please submit your observations to eBird:
http://ebird.org/content/ebird/

--

[nysbirds-l] Radar this morning

[Gus Keri]

http://www.pauljhurtado.com/US_Composite_Radar/2018-5-14/

Go to this map and zoom over New York City at 4:40 am CT (5:40 am ET) and 
afterward. There are a lot of activities over the city, again, coming from the 
shores of New Jersey.

On the current radar: https://radar.weather.gov/Conus/northeast_loop.php which 
it would be late for you to see, in particular at 7 am ET, there were a lot of 
birds activities (green color) over Brooklyn and Queens.



Good luck birding



Sent using Zoho Mail






--

NYSbirds-L List Info:
http://www.NortheastBirding.com/NYSbirdsWELCOME.htm
http://www.NortheastBirding.com/NYSbirdsRULES.htm
http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm

ARCHIVES:
1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
3) http://birding.aba.org/maillist/NY01

Please submit your observations to eBird:
http://ebird.org/content/ebird/

--

[nysbirds-l] Radar musings

[Peter Reisfeld]

Being resubmitted as it did not appear in 30 minutes.

Gus makes an excellent point that you can sometimes get valuable information on 
landing radar that you would not have predicted when making a report the night 
before (see Stephane Perrault's report from Hempstead Lake yesterday).  But I 
have still found significant discrepancies.  I can't tell you how many times I 
have headed for the final spot of high landing density on radar only to find it 
dead.  

David, there is no doubt that large birds reflect more than small birds.  So in 
that case you would argue that the reason there are days when the reflectivity 
is high but the ground is quiet is due to the fact that that night mostly large 
birds migrated.  This could be a factor, but I have not noted it on the ground. 
 I will try to be more aware of the possibility in the future though.  On the 
other hand, there is some reason to think that when birds are mostly small, 
e.g. a predominantly warbler migration, that any effects of velocity to 
spuriously increase reflectivity will be exaggerated rather than reduced.

The analogy again would be cars in the rain. The cars are birds and the rain is 
radar. If the windshields are almost vertical, there's little surface to hit 
the windshield.  These are warbler windshields. If they are almost horizontal 
they are flickers. If you make the horizontal windshields flatter and flatter 
corresponding to bigger and bigger birds, eventually it doesn't matter how fast 
the car is driving, the rain hitting it will approach that of a flat non-moving 
surface and speed will no longer increase reflectivity. 

That being said, after thinking about it a bit more and an off-line discussion 
with meteorologist John Kent, I have come to the conclusion that my theory is 
flawed.  The reason is that it did not take into account the relative speed of 
radar and birds.  Using the car analogy again, while doubling speed of a car 
from 30 to 60mph would have a have a significant effect on the rate of rain 
hitting your windshield over baseline, increasing from 1mph to 2mph would not 
likely produce a perceptible increase. Given the fact that radar travels at the 
speed of light, the speed of the radar is so much faster than the bird velocity 
it would be as if the birds were standing (flying?) still, so that increasing 
migration speed from 20 to 60 knots would not likely have an effect. 

John did note that some nights with high reflectivity but low turnout could be 
due to birds that are not new or notable which could be lead to an 
underinterpretation of the true migration.  

Theories about the discrepancy from David La Puma include:

1. The radar is sensitive, and even low densities of migrants can show up as 
strong signatures on the radar.
2. Birds concentrated at a particular altitude can also produce a stronger 
signal, which appears to be heavier migration when it’s actually fewer birds 
concentrated at a particular altitude. I see this a lot with strong upper level 
winds, or when conditions are less favorable at upper levels, and birds are 
concentrated closer to the ground.
3. Heavy migration but low concentration. Migration is heavy, but conditions 
are such that birds are spread out, and therefore not concentrated when they 
land. We see this in the spring when we have heavy migration but no westerly 
component to the wind, so no forcing of birds to Cape May.
4. It’s not all birds. Bats and insects can contaminate the imagery, and if 
there are birds involved, they can mask any lower velocity of insects (although 
insects can have significant positive velocities especially when the tailwind 
is favorable to the direction of migration)

So ultimately we have a number of theories for why radar is often not reliable 
for predicting birds on the ground, but I'm not sure we have the answer.  But 
imperfect as it is, though, it's fun to watch the reflectivities bloom, 
imagining hordes of birds up there in the sky headed our way.  Because 
anticipation of birds is half of the enjoyment (or, almost half), and when we 
actually do see what we anticipate, I think we enjoy it more.  So that in 
itself may be a reason for you, Steve, to keep on looking at that radar.  
Because one day soon, Forest Park will be filled with birds.  And if you are 
chomping at the bit when you enter the park , when you hear that birdsong, you 
will enjoy it even more.

Good birding to all,

Peter


--

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http://www.NortheastBirding.com/NYSbirdsWELCOME.htm
http://www.NortheastBirding.com/NYSbirdsRULES.htm
http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm

ARCHIVES:
1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
3) http://birding.aba.org/maillist/NY01

Please submit your observations to eBird:
http://ebird.org/content/ebird/

--

[nysbirds-l] Radar musings

[Peter Reisfeld]

Being resubmitted as it did not appear in 30 minutes.

Gus makes an excellent point that you can sometimes get valuable information on 
landing radar that you would not have predicted when making a report the night 
before (see Stephane Perrault's report from Hempstead Lake yesterday).  But I 
have still found significant discrepancies.  I can't tell you how many times I 
have headed for the final spot of high landing density on radar only to find it 
dead.  

David, there is no doubt that large birds reflect more than small birds.  So in 
that case you would argue that the reason there are days when the reflectivity 
is high but the ground is quiet is due to the fact that that night mostly large 
birds migrated.  This could be a factor, but I have not noted it on the ground. 
 I will try to be more aware of the possibility in the future though.  On the 
other hand, there is some reason to think that when birds are mostly small, 
e.g. a predominantly warbler migration, that any effects of velocity to 
spuriously increase reflectivity will be exaggerated rather than reduced.

The analogy again would be cars in the rain. The cars are birds and the rain is 
radar. If the windshields are almost vertical, there's little surface to hit 
the windshield.  These are warbler windshields. If they are almost horizontal 
they are flickers. If you make the horizontal windshields flatter and flatter 
corresponding to bigger and bigger birds, eventually it doesn't matter how fast 
the car is driving, the rain hitting it will approach that of a flat non-moving 
surface and speed will no longer increase reflectivity. 

That being said, after thinking about it a bit more and an off-line discussion 
with meteorologist John Kent, I have come to the conclusion that my theory is 
flawed.  The reason is that it did not take into account the relative speed of 
radar and birds.  Using the car analogy again, while doubling speed of a car 
from 30 to 60mph would have a have a significant effect on the rate of rain 
hitting your windshield over baseline, increasing from 1mph to 2mph would not 
likely produce a perceptible increase. Given the fact that radar travels at the 
speed of light, the speed of the radar is so much faster than the bird velocity 
it would be as if the birds were standing (flying?) still, so that increasing 
migration speed from 20 to 60 knots would not likely have an effect. 

John did note that some nights with high reflectivity but low turnout could be 
due to birds that are not new or notable which could be lead to an 
underinterpretation of the true migration.  

Theories about the discrepancy from David La Puma include:

1. The radar is sensitive, and even low densities of migrants can show up as 
strong signatures on the radar.
2. Birds concentrated at a particular altitude can also produce a stronger 
signal, which appears to be heavier migration when it’s actually fewer birds 
concentrated at a particular altitude. I see this a lot with strong upper level 
winds, or when conditions are less favorable at upper levels, and birds are 
concentrated closer to the ground.
3. Heavy migration but low concentration. Migration is heavy, but conditions 
are such that birds are spread out, and therefore not concentrated when they 
land. We see this in the spring when we have heavy migration but no westerly 
component to the wind, so no forcing of birds to Cape May.
4. It’s not all birds. Bats and insects can contaminate the imagery, and if 
there are birds involved, they can mask any lower velocity of insects (although 
insects can have significant positive velocities especially when the tailwind 
is favorable to the direction of migration)

So ultimately we have a number of theories for why radar is often not reliable 
for predicting birds on the ground, but I'm not sure we have the answer.  But 
imperfect as it is, though, it's fun to watch the reflectivities bloom, 
imagining hordes of birds up there in the sky headed our way.  Because 
anticipation of birds is half of the enjoyment (or, almost half), and when we 
actually do see what we anticipate, I think we enjoy it more.  So that in 
itself may be a reason for you, Steve, to keep on looking at that radar.  
Because one day soon, Forest Park will be filled with birds.  And if you are 
chomping at the bit when you enter the park , when you hear that birdsong, you 
will enjoy it even more.

Good birding to all,

Peter


--

NYSbirds-L List Info:
http://www.NortheastBirding.com/NYSbirdsWELCOME.htm
http://www.NortheastBirding.com/NYSbirdsRULES.htm
http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm

ARCHIVES:
1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
3) http://birding.aba.org/maillist/NY01

Please submit your observations to eBird:
http://ebird.org/content/ebird/

--

Re: [nysbirds-l] Radar musings

[Peter Reisfeld]

 Gus makes an excellent point that you can sometimes get valuable information 
on landing radar that you would not have predicted when making a report the 
night before (see Stephane Perrault's report from Hempstead Lake yesterday).  
But I have still found significant discrepancies.  I can't tell you how many 
times I have headed for the final spot of high landing density on radar only to 
find it dead.  

David, there is no doubt that large birds reflect more than small birds.  So in 
that case you would argue that the reason there are days when the reflectivity 
is high but the ground is quiet is due to the fact that that night mostly large 
birds migrated.  This could be a factor, but I have not noted it on the ground. 
 I will try to be more aware of the possibility in the future though.  On the 
other hand, there is some reason to think that when birds are mostly small, 
e.g. a predominantly warbler migration, that any effects of velocity to 
spuriously increase reflectivity will be exaggerated rather than reduced.

The analogy again would be cars in the rain. The cars are birds and the rain is 
radar. If the windshields are almost vertical, there's little surface to hit 
the windshield.  These are warbler windshields. If they are almost horizontal 
they are flickers. If you make the horizontal windshields flatter and flatter 
corresponding to bigger and bigger birds, eventually it doesn't matter how fast 
the car is driving, the rain hitting it will approach that of a flat non-moving 
surface and speed will no longer increase reflectivity. 

That being said, after thinking about it a bit more and an off-line discussion 
with meteorologist John Kent, I have come to the conclusion that my theory is 
flawed.  The reason is that it did not take into account the relative speed of 
radar and birds.  Using the car analogy again, while doubling speed of a car 
from 30 to 60mph would have a have a significant effect on the rate of rain 
hitting your windshield over baseline, increasing from 1mph to 2mph would not 
likely produce a perceptible increase. Given the fact that radar travels at the 
speed of light, the speed of the radar is so much faster than the bird velocity 
it would be as if the birds were standing (flying?) still, so that increasing 
migration speed from 20 to 60 knots would not likely have an effect. 

John did note that some nights with high reflectivity but low turnout could be 
due to birds that are not new or notable which could be lead to an 
underinterpretation of the true migration.  

Theories about the discrepancy from David La Puma include:

1. The radar is sensitive, and even low densities of migrants can show up as 
strong signatures on the radar.
2. Birds concentrated at a particular altitude can also produce a stronger 
signal, which appears to be heavier migration when it’s actually fewer birds 
concentrated at a particular altitude. I see this a lot with strong upper level 
winds, or when conditions are less favorable at upper levels, and birds are 
concentrated closer to the ground.
3. Heavy migration but low concentration. Migration is heavy, but conditions 
are such that birds are spread out, and therefore not concentrated when they 
land. We see this in the spring when we have heavy migration but no westerly 
component to the wind, so no forcing of birds to Cape May.
4. It’s not all birds. Bats and insects can contaminate the imagery, and if 
there are birds involved, they can mask any lower velocity of insects (although 
insects can have significant positive velocities especially when the tailwind 
is favorable to the direction of migration)

So ultimately we have a number of theories for why radar is often not reliable 
for predicting birds on the ground, but I'm not sure we have the answer.  But 
imperfect as it is, though, it's fun to watch the reflectivities bloom, 
imagining hordes of birds up there in the sky headed our way.  Because 
anticipation of birds is half of the enjoyment (or, almost half), and when we 
actually do see what we anticipate, I think we enjoy it more.  So that in 
itself may be a reason for you, Steve, to keep on looking at that radar.  
Because one day soon, Forest Park will be filled with birds.  And if you are 
chomping at the bit when you enter the park , when you hear that birdsong, you 
will enjoy it even more.

Good birding to all,

Peter

--

NYSbirds-L List Info:
http://www.NortheastBirding.com/NYSbirdsWELCOME.htm
http://www.NortheastBirding.com/NYSbirdsRULES.htm
http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm

ARCHIVES:
1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
3) http://birding.aba.org/maillist/NY01

Please submit your observations to eBird:
http://ebird.org/content/ebird/

--

Re: [nysbirds-l] Radar musings

[Peter Reisfeld]

 Gus makes an excellent point that you can sometimes get valuable information 
on landing radar that you would not have predicted when making a report the 
night before (see Stephane Perrault's report from Hempstead Lake yesterday).  
But I have still found significant discrepancies.  I can't tell you how many 
times I have headed for the final spot of high landing density on radar only to 
find it dead.  

David, there is no doubt that large birds reflect more than small birds.  So in 
that case you would argue that the reason there are days when the reflectivity 
is high but the ground is quiet is due to the fact that that night mostly large 
birds migrated.  This could be a factor, but I have not noted it on the ground. 
 I will try to be more aware of the possibility in the future though.  On the 
other hand, there is some reason to think that when birds are mostly small, 
e.g. a predominantly warbler migration, that any effects of velocity to 
spuriously increase reflectivity will be exaggerated rather than reduced.

The analogy again would be cars in the rain. The cars are birds and the rain is 
radar. If the windshields are almost vertical, there's little surface to hit 
the windshield.  These are warbler windshields. If they are almost horizontal 
they are flickers. If you make the horizontal windshields flatter and flatter 
corresponding to bigger and bigger birds, eventually it doesn't matter how fast 
the car is driving, the rain hitting it will approach that of a flat non-moving 
surface and speed will no longer increase reflectivity. 

That being said, after thinking about it a bit more and an off-line discussion 
with meteorologist John Kent, I have come to the conclusion that my theory is 
flawed.  The reason is that it did not take into account the relative speed of 
radar and birds.  Using the car analogy again, while doubling speed of a car 
from 30 to 60mph would have a have a significant effect on the rate of rain 
hitting your windshield over baseline, increasing from 1mph to 2mph would not 
likely produce a perceptible increase. Given the fact that radar travels at the 
speed of light, the speed of the radar is so much faster than the bird velocity 
it would be as if the birds were standing (flying?) still, so that increasing 
migration speed from 20 to 60 knots would not likely have an effect. 

John did note that some nights with high reflectivity but low turnout could be 
due to birds that are not new or notable which could be lead to an 
underinterpretation of the true migration.  

Theories about the discrepancy from David La Puma include:

1. The radar is sensitive, and even low densities of migrants can show up as 
strong signatures on the radar.
2. Birds concentrated at a particular altitude can also produce a stronger 
signal, which appears to be heavier migration when it’s actually fewer birds 
concentrated at a particular altitude. I see this a lot with strong upper level 
winds, or when conditions are less favorable at upper levels, and birds are 
concentrated closer to the ground.
3. Heavy migration but low concentration. Migration is heavy, but conditions 
are such that birds are spread out, and therefore not concentrated when they 
land. We see this in the spring when we have heavy migration but no westerly 
component to the wind, so no forcing of birds to Cape May.
4. It’s not all birds. Bats and insects can contaminate the imagery, and if 
there are birds involved, they can mask any lower velocity of insects (although 
insects can have significant positive velocities especially when the tailwind 
is favorable to the direction of migration)

So ultimately we have a number of theories for why radar is often not reliable 
for predicting birds on the ground, but I'm not sure we have the answer.  But 
imperfect as it is, though, it's fun to watch the reflectivities bloom, 
imagining hordes of birds up there in the sky headed our way.  Because 
anticipation of birds is half of the enjoyment (or, almost half), and when we 
actually do see what we anticipate, I think we enjoy it more.  So that in 
itself may be a reason for you, Steve, to keep on looking at that radar.  
Because one day soon, Forest Park will be filled with birds.  And if you are 
chomping at the bit when you enter the park , when you hear that birdsong, you 
will enjoy it even more.

Good birding to all,

Peter

--

NYSbirds-L List Info:
http://www.NortheastBirding.com/NYSbirdsWELCOME.htm
http://www.NortheastBirding.com/NYSbirdsRULES.htm
http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm

ARCHIVES:
1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
3) http://birding.aba.org/maillist/NY01

Please submit your observations to eBird:
http://ebird.org/content/ebird/

--

Re: [nysbirds-l] Radar musings

[Gus Keri]

I have been reviewing these radar maps for the last few years, almost on a 
daily basis during migration seasons. I think there are few points to be 
considered during reading these maps: (especially for NYC birders)

(check the archived radar loops on this site as I explain my point: 
http://www.pauljhurtado.com/US_Composite_Radar/ )

1- the location is very important: To see NYC, you need to zoom the map to the 
proper location. During the last two nights (May 1st and 2nd loops), there was 
hardly any bird landing in NYC. All the landing activities were just east of 
the city, in Long Island or west of the city, in NJ.

2- timing of the activities: In the early evening hours, radar shows the birds 
that are taking off. While in the early morning hours (2-4 am) it shows birds 
that are landing. If you zoom over NYC in the same last two nights you can see 
that a lot of birds took off, which means that the birds' overall counts in the 
city went down in the last two days. 

3- I have noticed also that, in the absence of clouds, the green color on the 
radar indicates more birds than the blue color. And the brighter the color, the 
more activities. (bright greendull greenbright bluedull blue)



Unfortunately, we can't add photos here for illustration. 

But sometimes I put a link to the "current" radar map that I saw at the moment 
when I wrote the email. This radar map needed to be seen immediately. If there 
is some delay in receiving the email ( and I noticed this can happen, for a 
couple of hours sometimes) then the map will not show the original activity. (I 
will put the exact time of the activity with the archived map next time, if 
needed)



Gus





Sent using Zoho Mail






 On Thu, 03 May 2018 17:21:32 -0700 David Nicosia 
daven102...@gmail.com wrote 






The radar reflectivity that we see is proportionally to the amount of water in 
a given volume of atmosphere as sensed by the radar. Birds are largely made up 
of water and hence they are highly reflective. Hence, when we see high radar 
returns from birds it is due to the density of birds in that given volume even 
if they are flying faster. Hence, the higher the reflectivity the more birds 
there are in a volume. Larger birds will be much more reflective than smaller 
birds because reflectivity is proportional to the diameter of the target(bird) 
raised to the 6th power.  



When we look at highly reflective  precipitation on the radar and its very 
windy it still correlates to heavy precipitation. There are know known wind 
velocity corrections that are used nor have I ever heard about this in my 27 
years of working radar.



In upstate NY we have seen an amazing transformation from almost birdless two 
days ago to the woods filling up rapidly with new arrivals. Most of these birds 
are breeders. I would say that "true" migrants have been fairly scarce among 
the landbirds up here. For you folks downstate, I imagine the birds keep going 
until they reach either decent habitat or their breeding grounds farther north. 
You need bad weather for migrant "waves" as you probably know, especially 
thunderstorms. I wait for thunderstorms to end and position myself (when I can) 
near a lake or body of water or other migrant trap. This has worked very well 
for me. I am sure many of you have experienced this  bad weather = good 
birds.  Best of luck. 



Dave Nicosia  






On Thu, May 3, 2018 at 7:39 PM Steve Walter swalte...@verizon.net wrote:

I think I might have run into some musings at the Forest Park water hole today, 
maybe even some hallucinations. But once again, numbers surely weren’t as high 
as the radar reflectivity might have suggested. I would say there were more 
birds than there had been, but nothing to write home about (for the younger 
folks, that’s what we did before we had NYSBIRDS to write to). I still wonder 
about the effect of leaf out being late. There seem to be a decent number of 
Black-and-White Warblers in – they of course don’t make their living in the 
foliage. I wore green today to try and make the surroundings more inviting to 
other species. It’s debatable how well that worked. 

 

It seems to me that the early night radar tends to look promising on many 
nights. But I also like to get a look at the radar as soon as I wake up, which 
may not be until dawn some days. To me, that has not looked so good, although 
Peter tells me that may be too late already. In any event, there is stuff on 
the radar now at 7:30 P.M.  – rain. Also some strange stuff well offshore. But 
the rain will move out, and the flow remains southwest. It’s gotta happen one 
of these days.

 

As for species, you know I don’t like to get into species lists. Everyone that 
gets out gets the same stuff. But if I need to mention some species, a 
Yellow-throated Vireo came down to the water hole. Offhand, I can’t remember 
one coming down – even when one is around singing. And for those who like to 
study the waterthrushes, a 

Re: [nysbirds-l] Radar musings

[Gus Keri]

I have been reviewing these radar maps for the last few years, almost on a 
daily basis during migration seasons. I think there are few points to be 
considered during reading these maps: (especially for NYC birders)

(check the archived radar loops on this site as I explain my point: 
http://www.pauljhurtado.com/US_Composite_Radar/ )

1- the location is very important: To see NYC, you need to zoom the map to the 
proper location. During the last two nights (May 1st and 2nd loops), there was 
hardly any bird landing in NYC. All the landing activities were just east of 
the city, in Long Island or west of the city, in NJ.

2- timing of the activities: In the early evening hours, radar shows the birds 
that are taking off. While in the early morning hours (2-4 am) it shows birds 
that are landing. If you zoom over NYC in the same last two nights you can see 
that a lot of birds took off, which means that the birds' overall counts in the 
city went down in the last two days. 

3- I have noticed also that, in the absence of clouds, the green color on the 
radar indicates more birds than the blue color. And the brighter the color, the 
more activities. (bright greendull greenbright bluedull blue)



Unfortunately, we can't add photos here for illustration. 

But sometimes I put a link to the "current" radar map that I saw at the moment 
when I wrote the email. This radar map needed to be seen immediately. If there 
is some delay in receiving the email ( and I noticed this can happen, for a 
couple of hours sometimes) then the map will not show the original activity. (I 
will put the exact time of the activity with the archived map next time, if 
needed)



Gus





Sent using Zoho Mail






 On Thu, 03 May 2018 17:21:32 -0700 David Nicosia 
daven102...@gmail.com wrote 






The radar reflectivity that we see is proportionally to the amount of water in 
a given volume of atmosphere as sensed by the radar. Birds are largely made up 
of water and hence they are highly reflective. Hence, when we see high radar 
returns from birds it is due to the density of birds in that given volume even 
if they are flying faster. Hence, the higher the reflectivity the more birds 
there are in a volume. Larger birds will be much more reflective than smaller 
birds because reflectivity is proportional to the diameter of the target(bird) 
raised to the 6th power.  



When we look at highly reflective  precipitation on the radar and its very 
windy it still correlates to heavy precipitation. There are know known wind 
velocity corrections that are used nor have I ever heard about this in my 27 
years of working radar.



In upstate NY we have seen an amazing transformation from almost birdless two 
days ago to the woods filling up rapidly with new arrivals. Most of these birds 
are breeders. I would say that "true" migrants have been fairly scarce among 
the landbirds up here. For you folks downstate, I imagine the birds keep going 
until they reach either decent habitat or their breeding grounds farther north. 
You need bad weather for migrant "waves" as you probably know, especially 
thunderstorms. I wait for thunderstorms to end and position myself (when I can) 
near a lake or body of water or other migrant trap. This has worked very well 
for me. I am sure many of you have experienced this  bad weather = good 
birds.  Best of luck. 



Dave Nicosia  






On Thu, May 3, 2018 at 7:39 PM Steve Walter swalte...@verizon.net wrote:

I think I might have run into some musings at the Forest Park water hole today, 
maybe even some hallucinations. But once again, numbers surely weren’t as high 
as the radar reflectivity might have suggested. I would say there were more 
birds than there had been, but nothing to write home about (for the younger 
folks, that’s what we did before we had NYSBIRDS to write to). I still wonder 
about the effect of leaf out being late. There seem to be a decent number of 
Black-and-White Warblers in – they of course don’t make their living in the 
foliage. I wore green today to try and make the surroundings more inviting to 
other species. It’s debatable how well that worked. 

 

It seems to me that the early night radar tends to look promising on many 
nights. But I also like to get a look at the radar as soon as I wake up, which 
may not be until dawn some days. To me, that has not looked so good, although 
Peter tells me that may be too late already. In any event, there is stuff on 
the radar now at 7:30 P.M.  – rain. Also some strange stuff well offshore. But 
the rain will move out, and the flow remains southwest. It’s gotta happen one 
of these days.

 

As for species, you know I don’t like to get into species lists. Everyone that 
gets out gets the same stuff. But if I need to mention some species, a 
Yellow-throated Vireo came down to the water hole. Offhand, I can’t remember 
one coming down – even when one is around singing. And for those who like to 
study the waterthrushes, a 

Re: [nysbirds-l] Radar musings

[David Nicosia]

The radar reflectivity that we see is proportionally to the amount of water
in a given volume of atmosphere as sensed by the radar. Birds are largely
made up of water and hence they are highly reflective. Hence, when we see
high radar returns from birds it is due to the density of birds in that
given volume even if they are flying faster. Hence, the higher the
reflectivity the more birds there are in a volume. Larger birds will be
much more reflective than smaller birds because reflectivity is
proportional to the diameter of the target(bird) raised to the 6th power.

When we look at highly reflective  precipitation on the radar and its very
windy it still correlates to heavy precipitation. There are know known wind
velocity corrections that are used nor have I ever heard about this in my
27 years of working radar.

In upstate NY we have seen an amazing transformation from almost birdless
two days ago to the woods filling up rapidly with new arrivals. Most of
these birds are breeders. I would say that "true" migrants have been fairly
scarce among the landbirds up here. For you folks downstate, I imagine the
birds keep going until they reach either decent habitat or their breeding
grounds farther north. You need bad weather for migrant "waves" as you
probably know, especially thunderstorms. I wait for thunderstorms to end
and position myself (when I can) near a lake or body of water or other
migrant trap. This has worked very well for me. I am sure many of you have
experienced this  bad weather = good birds.  Best of luck.

Dave Nicosia


On Thu, May 3, 2018 at 7:39 PM Steve Walter  wrote:

> I think I might have run into some musings at the Forest Park water hole
> today, maybe even some hallucinations. But once again, numbers surely
> weren’t as high as the radar reflectivity might have suggested. I would say
> there were more birds than there had been, but nothing to write home about
> (for the younger folks, that’s what we did before we had NYSBIRDS to write
> to). I still wonder about the effect of leaf out being late. There seem to
> be a decent number of Black-and-White Warblers in – they of course don’t
> make their living in the foliage. I wore green today to try and make the
> surroundings more inviting to other species. It’s debatable how well that
> worked.
>
>
>
> It seems to me that the early night radar tends to look promising on many
> nights. But I also like to get a look at the radar as soon as I wake up,
> which may not be until dawn some days. To me, that has not looked so good,
> although Peter tells me that may be too late already. In any event, there
> is stuff on the radar now at 7:30 P.M.  – rain. Also some strange stuff
> well offshore. But the rain will move out, and the flow remains southwest.
> It’s gotta happen one of these days.
>
>
>
> As for species, you know I don’t like to get into species lists. Everyone
> that gets out gets the same stuff. But if I need to mention some species, a
> Yellow-throated Vireo came down to the water hole. Offhand, I can’t
> remember one coming down – even when one is around singing. And for those
> who like to study the waterthrushes, a Northern and a Louisiana were
> crossing paths today. Even without binoculars, they were easily separable
> by the different colored eyebrow stripes (although it’s not always that
> easy).
>
>
>
> Steve Walter
>
>
>
> *From:* Peter Reisfeld [mailto:drpi...@yahoo.com]
> *Sent:* Wednesday, May 02, 2018 11:05 PM
> *To:* NYSBIRDS ; EBirds NYC <
> ebirds...@yahoogroups.com>; Steve Walter 
> *Subject:* Radar musings
>
>
>
>
>
>
> The radar pattern tonight is similar to what it was last night.  High
> reflectivity and high velocity in a NW direction.  Does this mean tomorrow
> will be birdy or quiet? I can’t say for sure but I’d like to share some
> thoughts about it.
>
> Steve brings up the issue of promising radar reports but poor showings on
> the ground.  The mediocre showing today despite high reflectivity on radar
> is a phenomenon I have seen a number of times before. It has been my
> impression that this occurs more frequently on nights when migration
> velocity is high.  I have never seen an explanation for it, but thinking
> about it today, a theory occurred to me.
>
> To illustrate the theory, I’d like to use the analogy of rain on a
> windshield.  Whenever I am driving on the highway in the rain, the faster I
> drive, the harder it seems to rain.  While driving fast does not increase
> the density of raindrops falling from the sky, it does cause many more
> drops to hit the windshield per second as you drive into a steadily falling
> stream.
>
> Perhaps it is the same with bird radar.  When birds are flying
> particularly rapidly, more of them may intersect with the radar beam per
> second.  This produces an increase in reflectivity, without an increase in
> density of birds.  Since we generally assume that high reflectivity is 

Re: [nysbirds-l] Radar musings

[David Nicosia]

The radar reflectivity that we see is proportionally to the amount of water
in a given volume of atmosphere as sensed by the radar. Birds are largely
made up of water and hence they are highly reflective. Hence, when we see
high radar returns from birds it is due to the density of birds in that
given volume even if they are flying faster. Hence, the higher the
reflectivity the more birds there are in a volume. Larger birds will be
much more reflective than smaller birds because reflectivity is
proportional to the diameter of the target(bird) raised to the 6th power.

When we look at highly reflective  precipitation on the radar and its very
windy it still correlates to heavy precipitation. There are know known wind
velocity corrections that are used nor have I ever heard about this in my
27 years of working radar.

In upstate NY we have seen an amazing transformation from almost birdless
two days ago to the woods filling up rapidly with new arrivals. Most of
these birds are breeders. I would say that "true" migrants have been fairly
scarce among the landbirds up here. For you folks downstate, I imagine the
birds keep going until they reach either decent habitat or their breeding
grounds farther north. You need bad weather for migrant "waves" as you
probably know, especially thunderstorms. I wait for thunderstorms to end
and position myself (when I can) near a lake or body of water or other
migrant trap. This has worked very well for me. I am sure many of you have
experienced this  bad weather = good birds.  Best of luck.

Dave Nicosia


On Thu, May 3, 2018 at 7:39 PM Steve Walter  wrote:

> I think I might have run into some musings at the Forest Park water hole
> today, maybe even some hallucinations. But once again, numbers surely
> weren’t as high as the radar reflectivity might have suggested. I would say
> there were more birds than there had been, but nothing to write home about
> (for the younger folks, that’s what we did before we had NYSBIRDS to write
> to). I still wonder about the effect of leaf out being late. There seem to
> be a decent number of Black-and-White Warblers in – they of course don’t
> make their living in the foliage. I wore green today to try and make the
> surroundings more inviting to other species. It’s debatable how well that
> worked.
>
>
>
> It seems to me that the early night radar tends to look promising on many
> nights. But I also like to get a look at the radar as soon as I wake up,
> which may not be until dawn some days. To me, that has not looked so good,
> although Peter tells me that may be too late already. In any event, there
> is stuff on the radar now at 7:30 P.M.  – rain. Also some strange stuff
> well offshore. But the rain will move out, and the flow remains southwest.
> It’s gotta happen one of these days.
>
>
>
> As for species, you know I don’t like to get into species lists. Everyone
> that gets out gets the same stuff. But if I need to mention some species, a
> Yellow-throated Vireo came down to the water hole. Offhand, I can’t
> remember one coming down – even when one is around singing. And for those
> who like to study the waterthrushes, a Northern and a Louisiana were
> crossing paths today. Even without binoculars, they were easily separable
> by the different colored eyebrow stripes (although it’s not always that
> easy).
>
>
>
> Steve Walter
>
>
>
> *From:* Peter Reisfeld [mailto:drpi...@yahoo.com]
> *Sent:* Wednesday, May 02, 2018 11:05 PM
> *To:* NYSBIRDS ; EBirds NYC <
> ebirds...@yahoogroups.com>; Steve Walter 
> *Subject:* Radar musings
>
>
>
>
>
>
> The radar pattern tonight is similar to what it was last night.  High
> reflectivity and high velocity in a NW direction.  Does this mean tomorrow
> will be birdy or quiet? I can’t say for sure but I’d like to share some
> thoughts about it.
>
> Steve brings up the issue of promising radar reports but poor showings on
> the ground.  The mediocre showing today despite high reflectivity on radar
> is a phenomenon I have seen a number of times before. It has been my
> impression that this occurs more frequently on nights when migration
> velocity is high.  I have never seen an explanation for it, but thinking
> about it today, a theory occurred to me.
>
> To illustrate the theory, I’d like to use the analogy of rain on a
> windshield.  Whenever I am driving on the highway in the rain, the faster I
> drive, the harder it seems to rain.  While driving fast does not increase
> the density of raindrops falling from the sky, it does cause many more
> drops to hit the windshield per second as you drive into a steadily falling
> stream.
>
> Perhaps it is the same with bird radar.  When birds are flying
> particularly rapidly, more of them may intersect with the radar beam per
> second.  This produces an increase in reflectivity, without an increase in
> density of birds.  Since we generally assume that high reflectivity is due
> to high bird density, the spurious increased reflectivity would make 

RE:[nysbirds-l] Radar musings

[Steve Walter]

I think I might have run into some musings at the Forest Park water hole today, 
maybe even some hallucinations. But once again, numbers surely weren’t as high 
as the radar reflectivity might have suggested. I would say there were more 
birds than there had been, but nothing to write home about (for the younger 
folks, that’s what we did before we had NYSBIRDS to write to). I still wonder 
about the effect of leaf out being late. There seem to be a decent number of 
Black-and-White Warblers in – they of course don’t make their living in the 
foliage. I wore green today to try and make the surroundings more inviting to 
other species. It’s debatable how well that worked. 

 

It seems to me that the early night radar tends to look promising on many 
nights. But I also like to get a look at the radar as soon as I wake up, which 
may not be until dawn some days. To me, that has not looked so good, although 
Peter tells me that may be too late already. In any event, there is stuff on 
the radar now at 7:30 P.M.  – rain. Also some strange stuff well offshore. But 
the rain will move out, and the flow remains southwest. It’s gotta happen one 
of these days.

 

As for species, you know I don’t like to get into species lists. Everyone that 
gets out gets the same stuff. But if I need to mention some species, a 
Yellow-throated Vireo came down to the water hole. Offhand, I can’t remember 
one coming down – even when one is around singing. And for those who like to 
study the waterthrushes, a Northern and a Louisiana were crossing paths today. 
Even without binoculars, they were easily separable by the different colored 
eyebrow stripes (although it’s not always that easy).

 

Steve Walter 

 

From: Peter Reisfeld [mailto:drpi...@yahoo.com] 
Sent: Wednesday, May 02, 2018 11:05 PM
To: NYSBIRDS ; EBirds NYC 
; Steve Walter 
Subject: Radar musings

 

 


The radar pattern tonight is similar to what it was last night.  High 
reflectivity and high velocity in a NW direction.  Does this mean tomorrow will 
be birdy or quiet? I can’t say for sure but I’d like to share some thoughts 
about it.  

Steve brings up the issue of promising radar reports but poor showings on the 
ground.  The mediocre showing today despite high reflectivity on radar is a 
phenomenon I have seen a number of times before. It has been my impression that 
this occurs more frequently on nights when migration velocity is high.  I have 
never seen an explanation for it, but thinking about it today, a theory 
occurred to me.  

To illustrate the theory, I’d like to use the analogy of rain on a windshield.  
Whenever I am driving on the highway in the rain, the faster I drive, the 
harder it seems to rain.  While driving fast does not increase the density of 
raindrops falling from the sky, it does cause many more drops to hit the 
windshield per second as you drive into a steadily falling stream.

Perhaps it is the same with bird radar.  When birds are flying particularly 
rapidly, more of them may intersect with the radar beam per second.  This 
produces an increase in reflectivity, without an increase in density of birds.  
Since we generally assume that high reflectivity is due to high bird density, 
the spurious increased reflectivity would make it seem that more birds were up 
there than really were. Hence a disapointing showing on the ground the next 
morning. This scenario could explain what happened last night. 

While I have not heard of this theory before, I doubt I am the first to think 
of it.  I emailed Cape May radar-maven David La Puma about it today. If he gets 
back to me, I’ll let you know what he thinks.

 

So what about tomorrow?  I would just say this.  Birds are up there and 
migrating rapidly.  It's just that the numbers MAY NOT be as high as it appears 
based on reflectivities.  

 


In any case, good luck out there, 

 


Peter

 

 

On Wednesday, May 2, 2018, 7:17:58 PM EDT, Shaibal Mitra 
 > wrote: 

 

 

Hi Steve and all,

At Robert Moses SP, to the east of Jones beach, I didn't see any Red-headed 
Woodpeckers this morning, but I did see 14 Red-bellied Woodpeckers--all 
migrating east to west. Those familiar with the barrier beaches, and the usual 
absence of most forest "resident" species there, will understand that this was 
a remarkable sight. Stephane Perrault has some interesting ideas on the 
relationship between these irruptive flights and inter-year variations in the 
regional population density. 

Southwest winds tonight?--let's get some more Melanerpes data!

Shai Mitra
Bay Shore

From: bounce-122535933-11143...@list.cornell.edu 
  
[bounce-122535933-11143...@list.cornell.edu 
 ] on behalf of Steve Walter 

RE:[nysbirds-l] Radar musings

[Steve Walter]

I think I might have run into some musings at the Forest Park water hole today, 
maybe even some hallucinations. But once again, numbers surely weren’t as high 
as the radar reflectivity might have suggested. I would say there were more 
birds than there had been, but nothing to write home about (for the younger 
folks, that’s what we did before we had NYSBIRDS to write to). I still wonder 
about the effect of leaf out being late. There seem to be a decent number of 
Black-and-White Warblers in – they of course don’t make their living in the 
foliage. I wore green today to try and make the surroundings more inviting to 
other species. It’s debatable how well that worked. 

 

It seems to me that the early night radar tends to look promising on many 
nights. But I also like to get a look at the radar as soon as I wake up, which 
may not be until dawn some days. To me, that has not looked so good, although 
Peter tells me that may be too late already. In any event, there is stuff on 
the radar now at 7:30 P.M.  – rain. Also some strange stuff well offshore. But 
the rain will move out, and the flow remains southwest. It’s gotta happen one 
of these days.

 

As for species, you know I don’t like to get into species lists. Everyone that 
gets out gets the same stuff. But if I need to mention some species, a 
Yellow-throated Vireo came down to the water hole. Offhand, I can’t remember 
one coming down – even when one is around singing. And for those who like to 
study the waterthrushes, a Northern and a Louisiana were crossing paths today. 
Even without binoculars, they were easily separable by the different colored 
eyebrow stripes (although it’s not always that easy).

 

Steve Walter 

 

From: Peter Reisfeld [mailto:drpi...@yahoo.com] 
Sent: Wednesday, May 02, 2018 11:05 PM
To: NYSBIRDS ; EBirds NYC 
; Steve Walter 
Subject: Radar musings

 

 


The radar pattern tonight is similar to what it was last night.  High 
reflectivity and high velocity in a NW direction.  Does this mean tomorrow will 
be birdy or quiet? I can’t say for sure but I’d like to share some thoughts 
about it.  

Steve brings up the issue of promising radar reports but poor showings on the 
ground.  The mediocre showing today despite high reflectivity on radar is a 
phenomenon I have seen a number of times before. It has been my impression that 
this occurs more frequently on nights when migration velocity is high.  I have 
never seen an explanation for it, but thinking about it today, a theory 
occurred to me.  

To illustrate the theory, I’d like to use the analogy of rain on a windshield.  
Whenever I am driving on the highway in the rain, the faster I drive, the 
harder it seems to rain.  While driving fast does not increase the density of 
raindrops falling from the sky, it does cause many more drops to hit the 
windshield per second as you drive into a steadily falling stream.

Perhaps it is the same with bird radar.  When birds are flying particularly 
rapidly, more of them may intersect with the radar beam per second.  This 
produces an increase in reflectivity, without an increase in density of birds.  
Since we generally assume that high reflectivity is due to high bird density, 
the spurious increased reflectivity would make it seem that more birds were up 
there than really were. Hence a disapointing showing on the ground the next 
morning. This scenario could explain what happened last night. 

While I have not heard of this theory before, I doubt I am the first to think 
of it.  I emailed Cape May radar-maven David La Puma about it today. If he gets 
back to me, I’ll let you know what he thinks.

 

So what about tomorrow?  I would just say this.  Birds are up there and 
migrating rapidly.  It's just that the numbers MAY NOT be as high as it appears 
based on reflectivities.  

 


In any case, good luck out there, 

 


Peter

 

 

On Wednesday, May 2, 2018, 7:17:58 PM EDT, Shaibal Mitra 
mailto:shaibal.mi...@csi.cuny.edu> > wrote: 

 

 

Hi Steve and all,

At Robert Moses SP, to the east of Jones beach, I didn't see any Red-headed 
Woodpeckers this morning, but I did see 14 Red-bellied Woodpeckers--all 
migrating east to west. Those familiar with the barrier beaches, and the usual 
absence of most forest "resident" species there, will understand that this was 
a remarkable sight. Stephane Perrault has some interesting ideas on the 
relationship between these irruptive flights and inter-year variations in the 
regional population density. 

Southwest winds tonight?--let's get some more Melanerpes data!

Shai Mitra
Bay Shore

From: bounce-122535933-11143...@list.cornell.edu 
  
[bounce-122535933-11143...@list.cornell.edu 
 ] on behalf of Steve Walter 
[swalte...@verizon.net  ]
Sent: Wednesday, May 2, 2018 7:09 PM
To: NYSBIRDS
Subject: 

[nysbirds-l] Radar musings

[Peter Reisfeld]

The radar pattern tonight is similar to what it was last night.  High 
reflectivity and high velocity in a NW direction.  Does this mean tomorrow will 
be birdy or quiet? I can’t say for sure but I’d like to share some thoughts 
about it.  

Steve brings up the issue of promising radar reports but poor showings on the 
ground.  The mediocre showing today despite high reflectivity on radar is a 
phenomenon I have seen a number of times before. It has been my impression that 
this occurs more frequently on nights when migration velocity is high.  I have 
never seen an explanation for it, but thinking about it today, a theory 
occurred to me.  

To illustrate the theory, I’d like to use the analogy of rain on a windshield.  
Whenever I am driving on the highway in the rain, the faster I drive, the 
harder it seems to rain.  While driving fast does not increase the density of 
raindrops falling from the sky, it does cause many more drops to hit the 
windshield per second as you drive into a steadily falling stream.

Perhaps it is the same with bird radar.  When birds are flying particularly 
rapidly, more of them may intersect with the radar beam per second.  This 
produces an increase in reflectivity, without an increase in density of birds.  
Since we generally assume that high reflectivity is due to high bird density, 
the spurious increased reflectivity would make it seem that more birds were up 
there than really were. Hence a disapointing showing on the ground the next 
morning. This scenario could explain what happened last night. 

While I have not heard of this theory before, I doubt I am the first to think 
of it.  I emailed Cape May radar-maven David La Puma about it today. If he gets 
back to me, I’ll let you know what he thinks.
So what about tomorrow?  I would just say this.  Birds are up there and 
migrating rapidly.  It's just that the numbers MAY NOT be as high as it appears 
based on reflectivities.  


In any case, good luck out there, 


Peter

 

On Wednesday, May 2, 2018, 7:17:58 PM EDT, Shaibal Mitra 
 wrote:  
 
 Hi Steve and all,

At Robert Moses SP, to the east of Jones beach, I didn't see any Red-headed 
Woodpeckers this morning, but I did see 14 Red-bellied Woodpeckers--all 
migrating east to west. Those familiar with the barrier beaches, and the usual 
absence of most forest "resident" species there, will understand that this was 
a remarkable sight. Stephane Perrault has some interesting ideas on the 
relationship between these irruptive flights and inter-year variations in the 
regional population density. 

Southwest winds tonight?--let's get some more Melanerpes data!

Shai Mitra
Bay Shore

From: bounce-122535933-11143...@list.cornell.edu 
[bounce-122535933-11143...@list.cornell.edu] on behalf of Steve Walter 
[swalte...@verizon.net]
Sent: Wednesday, May 2, 2018 7:09 PM
To: NYSBIRDS
Subject: [nysbirds-l] Red-headed Woodpeckers at Jones Beach

I had two adult Red-headed Woodpeckers at Jones Beach West End this morning, 
essentially as fly-bys. The first flew by me while I was in the median and 
turned east on the blind side of the tree line. The second, about a minute 
later, made brief stops in the higher trees before also moving east and out of 
sight. Also, one or two Red-bellied Woodpeckers were around. So it was 
Melanerpes Moving Day.

I hadn’t planned on going down to the beach, but an early assessment of the 
Queens parks suggested the much anticipated and overdue first big wave had not 
materialized – at least not here. I’ve gotten into the radar watching, like 
others have.  I can’t say that I feel comfortable with what I see – but. The 
other day, someone mentioned the radar showing birds. Looking at the referenced 
radar image, it didn’t look that way to me. But I do appreciate people looking 
at that and offering alerts or opinions. We might figure this out. What I 
looked at on radar this morning suggested there was movement along the coast. 
So I figured why not change plans and check that out. I can’t say that what I 
saw on the ground should have lit up the radar, but there were a variety of 
migrants at Jones. Not much unusual other than the woodpeckers, but 5 Baltimore 
Orioles in one tree was a sight to see. Maybe the most interesting bird I came 
across was an immature Great Cormorant on a piling outside the boat basin. It 
doesn’t look like a record late date, but close as far I can see.

So what happened with the migration? It’s May 2, there was no flight of note 
recently, and winds last night were SW to WSW. There should have been migrants 
everywhere. One thing I had been noting and saying to people is that the trees 
have barely begun to leaf out – which would also limit insect hatches. Arboreal 
birds don’t want to be in that. Would that retard the migration? Wouldn’t they 
actually have to get here to know what the situation is here? Well, SW again 
tonight. It can only get 

[nysbirds-l] Radar musings

[Peter Reisfeld]

The radar pattern tonight is similar to what it was last night.  High 
reflectivity and high velocity in a NW direction.  Does this mean tomorrow will 
be birdy or quiet? I can’t say for sure but I’d like to share some thoughts 
about it.  

Steve brings up the issue of promising radar reports but poor showings on the 
ground.  The mediocre showing today despite high reflectivity on radar is a 
phenomenon I have seen a number of times before. It has been my impression that 
this occurs more frequently on nights when migration velocity is high.  I have 
never seen an explanation for it, but thinking about it today, a theory 
occurred to me.  

To illustrate the theory, I’d like to use the analogy of rain on a windshield.  
Whenever I am driving on the highway in the rain, the faster I drive, the 
harder it seems to rain.  While driving fast does not increase the density of 
raindrops falling from the sky, it does cause many more drops to hit the 
windshield per second as you drive into a steadily falling stream.

Perhaps it is the same with bird radar.  When birds are flying particularly 
rapidly, more of them may intersect with the radar beam per second.  This 
produces an increase in reflectivity, without an increase in density of birds.  
Since we generally assume that high reflectivity is due to high bird density, 
the spurious increased reflectivity would make it seem that more birds were up 
there than really were. Hence a disapointing showing on the ground the next 
morning. This scenario could explain what happened last night. 

While I have not heard of this theory before, I doubt I am the first to think 
of it.  I emailed Cape May radar-maven David La Puma about it today. If he gets 
back to me, I’ll let you know what he thinks.
So what about tomorrow?  I would just say this.  Birds are up there and 
migrating rapidly.  It's just that the numbers MAY NOT be as high as it appears 
based on reflectivities.  


In any case, good luck out there, 


Peter

 

On Wednesday, May 2, 2018, 7:17:58 PM EDT, Shaibal Mitra 
 wrote:  
 
 Hi Steve and all,

At Robert Moses SP, to the east of Jones beach, I didn't see any Red-headed 
Woodpeckers this morning, but I did see 14 Red-bellied Woodpeckers--all 
migrating east to west. Those familiar with the barrier beaches, and the usual 
absence of most forest "resident" species there, will understand that this was 
a remarkable sight. Stephane Perrault has some interesting ideas on the 
relationship between these irruptive flights and inter-year variations in the 
regional population density. 

Southwest winds tonight?--let's get some more Melanerpes data!

Shai Mitra
Bay Shore

From: bounce-122535933-11143...@list.cornell.edu 
[bounce-122535933-11143...@list.cornell.edu] on behalf of Steve Walter 
[swalte...@verizon.net]
Sent: Wednesday, May 2, 2018 7:09 PM
To: NYSBIRDS
Subject: [nysbirds-l] Red-headed Woodpeckers at Jones Beach

I had two adult Red-headed Woodpeckers at Jones Beach West End this morning, 
essentially as fly-bys. The first flew by me while I was in the median and 
turned east on the blind side of the tree line. The second, about a minute 
later, made brief stops in the higher trees before also moving east and out of 
sight. Also, one or two Red-bellied Woodpeckers were around. So it was 
Melanerpes Moving Day.

I hadn’t planned on going down to the beach, but an early assessment of the 
Queens parks suggested the much anticipated and overdue first big wave had not 
materialized – at least not here. I’ve gotten into the radar watching, like 
others have.  I can’t say that I feel comfortable with what I see – but. The 
other day, someone mentioned the radar showing birds. Looking at the referenced 
radar image, it didn’t look that way to me. But I do appreciate people looking 
at that and offering alerts or opinions. We might figure this out. What I 
looked at on radar this morning suggested there was movement along the coast. 
So I figured why not change plans and check that out. I can’t say that what I 
saw on the ground should have lit up the radar, but there were a variety of 
migrants at Jones. Not much unusual other than the woodpeckers, but 5 Baltimore 
Orioles in one tree was a sight to see. Maybe the most interesting bird I came 
across was an immature Great Cormorant on a piling outside the boat basin. It 
doesn’t look like a record late date, but close as far I can see.

So what happened with the migration? It’s May 2, there was no flight of note 
recently, and winds last night were SW to WSW. There should have been migrants 
everywhere. One thing I had been noting and saying to people is that the trees 
have barely begun to leaf out – which would also limit insect hatches. Arboreal 
birds don’t want to be in that. Would that retard the migration? Wouldn’t they 
actually have to get here to know what the situation is here? Well, SW again 
tonight. It can only get better.


Steve Walter

[nysbirds-l] Radar this morning

[Gus Keri]

This morning, there is a lot of radar activity over NYC.

https://radar.weather.gov/ridge/Conus/northeast_loop.php



The green color suggests a lot a lot of birds landing. I wonder if it also mean 
a lot of birds taking off like Brants.



Sent using Zoho Mail






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ARCHIVES:
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Please submit your observations to eBird:
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[nysbirds-l] Radar this morning

[Gus Keri]

This morning, there is a lot of radar activity over NYC.

https://radar.weather.gov/ridge/Conus/northeast_loop.php



The green color suggests a lot a lot of birds landing. I wonder if it also mean 
a lot of birds taking off like Brants.



Sent using Zoho Mail






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http://www.NortheastBirding.com/NYSbirdsRULES.htm
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ARCHIVES:
1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
3) http://birding.aba.org/maillist/NY01

Please submit your observations to eBird:
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[nysbirds-l] Radar activities

[Gus Keri]

I just checked the radar activities this morning. It looks like a 
significant number of birds just landed this morning over New York City 
(Brooklyn, Queens and Manhattan).You can check it here: 
https://radar.weather.gov/ridge/Conus/northeast_loop.phpSent using Zoho Mail









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ARCHIVES:
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2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
3) http://birding.aba.org/maillist/NY01

Please submit your observations to eBird:
http://ebird.org/content/ebird/

--

[nysbirds-l] Radar activities

[Gus Keri]

I just checked the radar activities this morning. It looks like a 
significant number of birds just landed this morning over New York City 
(Brooklyn, Queens and Manhattan).You can check it here: 
https://radar.weather.gov/ridge/Conus/northeast_loop.phpSent using Zoho Mail









--

NYSbirds-L List Info:
http://www.NortheastBirding.com/NYSbirdsWELCOME.htm
http://www.NortheastBirding.com/NYSbirdsRULES.htm
http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm

ARCHIVES:
1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
3) http://birding.aba.org/maillist/NY01

Please submit your observations to eBird:
http://ebird.org/content/ebird/

--

[nysbirds-l] radar

[Peter Reisfeld]

The storm on radar last night headed north and never quite reached the metro 
area, and landing densities this AM were on the weak side.  There still may be 
a few new birds, though more in western sites over NJ than here. 

Good early spring birding,

Peter

--

NYSbirds-L List Info:
http://www.NortheastBirding.com/NYSbirdsWELCOME.htm
http://www.NortheastBirding.com/NYSbirdsRULES.htm
http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm

ARCHIVES:
1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
3) http://birding.aba.org/maillist/NY01

Please submit your observations to eBird:
http://ebird.org/content/ebird/

--

[nysbirds-l] radar

[Peter Reisfeld]

The storm on radar last night headed north and never quite reached the metro 
area, and landing densities this AM were on the weak side.  There still may be 
a few new birds, though more in western sites over NJ than here. 

Good early spring birding,

Peter

--

NYSbirds-L List Info:
http://www.NortheastBirding.com/NYSbirdsWELCOME.htm
http://www.NortheastBirding.com/NYSbirdsRULES.htm
http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm

ARCHIVES:
1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
3) http://birding.aba.org/maillist/NY01

Please submit your observations to eBird:
http://ebird.org/content/ebird/

--

[nysbirds-l] radar

[Peter Reisfeld]

The storm on radar last night headed north and never quite reached the metro 
area, and landing densities this AM were on the weak side.  There still may be 
a few new birds, though more in western sites over NJ than here. 

Good early spring birding,

Peter



--

NYSbirds-L List Info:
http://www.NortheastBirding.com/NYSbirdsWELCOME.htm
http://www.NortheastBirding.com/NYSbirdsRULES.htm
http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm

ARCHIVES:
1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
3) http://birding.aba.org/maillist/NY01

Please submit your observations to eBird:
http://ebird.org/content/ebird/

--

[nysbirds-l] radar

[Peter Reisfeld]

The storm on radar last night headed north and never quite reached the metro 
area, and landing densities this AM were on the weak side.  There still may be 
a few new birds, though more in western sites over NJ than here. 

Good early spring birding,

Peter



--

NYSbirds-L List Info:
http://www.NortheastBirding.com/NYSbirdsWELCOME.htm
http://www.NortheastBirding.com/NYSbirdsRULES.htm
http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm

ARCHIVES:
1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
3) http://birding.aba.org/maillist/NY01

Please submit your observations to eBird:
http://ebird.org/content/ebird/

--

[nysbirds-l] radar

[Peter Reisfeld]

For the first night this year there is movement on radar in the NY metro area, 
and with a surprisingly moderate level of reflectivity. The velocity image 
shows movement at a rapid clip of perhaps 50-60 knots in a northwest direction. 
 And while this might ordinarily favor flyover, there is a stormy weather 
pattern  rapidly approaching from  the west in the next hour so that could 
bring our little feathered friends down for a visit.  While not a firm 
prediction, if the weather is decent tomorrow, it might pay to check out your 
local birding patch for early migrants.

Wishing you good birds, 

Peter
--

NYSbirds-L List Info:
http://www.NortheastBirding.com/NYSbirdsWELCOME.htm
http://www.NortheastBirding.com/NYSbirdsRULES.htm
http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm

ARCHIVES:
1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
3) http://birding.aba.org/maillist/NY01

Please submit your observations to eBird:
http://ebird.org/content/ebird/

--

[nysbirds-l] radar

[Peter Reisfeld]

For the first night this year there is movement on radar in the NY metro area, 
and with a surprisingly moderate level of reflectivity. The velocity image 
shows movement at a rapid clip of perhaps 50-60 knots in a northwest direction. 
 And while this might ordinarily favor flyover, there is a stormy weather 
pattern  rapidly approaching from  the west in the next hour so that could 
bring our little feathered friends down for a visit.  While not a firm 
prediction, if the weather is decent tomorrow, it might pay to check out your 
local birding patch for early migrants.

Wishing you good birds, 

Peter
--

NYSbirds-L List Info:
http://www.NortheastBirding.com/NYSbirdsWELCOME.htm
http://www.NortheastBirding.com/NYSbirdsRULES.htm
http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm

ARCHIVES:
1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
3) http://birding.aba.org/maillist/NY01

Please submit your observations to eBird:
http://ebird.org/content/ebird/

--

Re: [nysbirds-l] Radar

[Peter Reisfeld]

For looking at specific radar stations I like the NCAR site. It is pretty 
basic, but one can conveniently vary the loop interval to go back to sunset and 
get the takeoff and evolution of the densities.  Also in single image mode, a 
click on the screen changes it to velocity mode useful to see exactly which 
direction and how fast the birds are flying. The link is:

http://weather.rap.ucar.edu/radar/ 

Peter

> On May 15, 2016, at 4:20 PM, Ben Mirin  wrote:
> 
> Hi all, what's your favorite/the best resource for monitoring radar online? 
> 
> Many thanks,
> Ben
> 
> On Sunday, May 15, 2016, Jim Osterlund  > wrote:
> Then I’ll add;
> 
> Sagtikos / Sunken Meadow Parkway, LIE Exit 53.
> --
> 
> NYSbirds-L List Info:
> http://www.NortheastBirding.com/NYSbirdsWELCOME 
> 
> http://www.NortheastBirding.com/NYSbirdsRULES 
> 
> http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm 
> 
> 
> ARCHIVES:
> 1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html 
> 
> 2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L 
> 
> 3) http://birdingonthe.net/mailinglists/NYSB.html 
> 
> 
> Please submit your observations to eBird:
> http://ebird.org/content/ebird/ 
> 
> --
> 
> 
> 
> -- 
> Sent from my iPhone. I wish it could spell.
> Benjamin Mirin
> 
> Ben on National Geographic
> Ben on National Public Radio
> Ben's TED talk
> Ben's YouTube Channel
> 
> Mobile (USA): (978) 509-5404
> Twitter: @benmirin
> 
> 
> 
> --
> NYSbirds-L List Info:
> Welcome and Basics 
> Rules and Information 
> Subscribe, Configuration and Leave 
> 
> Archives:
> The Mail Archive 
> 
> Surfbirds 
> BirdingOnThe.Net 
> Please submit your observations to eBird !
> --


--

NYSbirds-L List Info:
http://www.NortheastBirding.com/NYSbirdsWELCOME
http://www.NortheastBirding.com/NYSbirdsRULES
http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm

ARCHIVES:
1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
3) http://birdingonthe.net/mailinglists/NYSB.html

Please submit your observations to eBird:
http://ebird.org/content/ebird/

--

Re: [nysbirds-l] Radar

[Peter Reisfeld]

For looking at specific radar stations I like the NCAR site. It is pretty 
basic, but one can conveniently vary the loop interval to go back to sunset and 
get the takeoff and evolution of the densities.  Also in single image mode, a 
click on the screen changes it to velocity mode useful to see exactly which 
direction and how fast the birds are flying. The link is:

http://weather.rap.ucar.edu/radar/ 

Peter

> On May 15, 2016, at 4:20 PM, Ben Mirin  wrote:
> 
> Hi all, what's your favorite/the best resource for monitoring radar online? 
> 
> Many thanks,
> Ben
> 
> On Sunday, May 15, 2016, Jim Osterlund  > wrote:
> Then I’ll add;
> 
> Sagtikos / Sunken Meadow Parkway, LIE Exit 53.
> --
> 
> NYSbirds-L List Info:
> http://www.NortheastBirding.com/NYSbirdsWELCOME 
> 
> http://www.NortheastBirding.com/NYSbirdsRULES 
> 
> http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm 
> 
> 
> ARCHIVES:
> 1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html 
> 
> 2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L 
> 
> 3) http://birdingonthe.net/mailinglists/NYSB.html 
> 
> 
> Please submit your observations to eBird:
> http://ebird.org/content/ebird/ 
> 
> --
> 
> 
> 
> -- 
> Sent from my iPhone. I wish it could spell.
> Benjamin Mirin
> 
> Ben on National Geographic
> Ben on National Public Radio
> Ben's TED talk
> Ben's YouTube Channel
> 
> Mobile (USA): (978) 509-5404
> Twitter: @benmirin
> 
> 
> 
> --
> NYSbirds-L List Info:
> Welcome and Basics 
> Rules and Information 
> Subscribe, Configuration and Leave 
> 
> Archives:
> The Mail Archive 
> 
> Surfbirds 
> BirdingOnThe.Net 
> Please submit your observations to eBird !
> --


--

NYSbirds-L List Info:
http://www.NortheastBirding.com/NYSbirdsWELCOME
http://www.NortheastBirding.com/NYSbirdsRULES
http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm

ARCHIVES:
1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
3) http://birdingonthe.net/mailinglists/NYSB.html

Please submit your observations to eBird:
http://ebird.org/content/ebird/

--

Re: [nysbirds-l] Radar

[Peter Reisfeld]

For looking at specific radar stations I like the NCAR site. It is pretty 
basic, but one can conveniently vary the loop interval to go back to sunset and 
get the takeoff and evolution of the densities.  Also in single image mode, a 
click on the screen changes it to velocity mode useful to see exactly which 
direction and how fast the birds are flying. The link is:

http://weather.rap.ucar.edu/radar/ 

Peter

 
> On May 15, 2016, at 6:05 PM, Jim Osterlund  wrote:
> 
> I can’t say what’s “best”.  I check weather at NWS - National Mosaic Enhanced 
> Radar Image: Full Resolution Loop 
>  anyway, so an occasional bird 
> event is just a plus.
> --
> NYSbirds-L List Info:
> Welcome and Basics 
> Rules and Information 
> Subscribe, Configuration and Leave 
> 
> Archives:
> The Mail Archive 
> 
> Surfbirds 
> BirdingOnThe.Net 
> Please submit your observations to eBird !
> --


--

NYSbirds-L List Info:
http://www.NortheastBirding.com/NYSbirdsWELCOME
http://www.NortheastBirding.com/NYSbirdsRULES
http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm

ARCHIVES:
1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
3) http://birdingonthe.net/mailinglists/NYSB.html

Please submit your observations to eBird:
http://ebird.org/content/ebird/

--

Re: [nysbirds-l] Radar

[Peter Reisfeld]

For looking at specific radar stations I like the NCAR site. It is pretty 
basic, but one can conveniently vary the loop interval to go back to sunset and 
get the takeoff and evolution of the densities.  Also in single image mode, a 
click on the screen changes it to velocity mode useful to see exactly which 
direction and how fast the birds are flying. The link is:

http://weather.rap.ucar.edu/radar/ 

Peter

 
> On May 15, 2016, at 6:05 PM, Jim Osterlund  wrote:
> 
> I can’t say what’s “best”.  I check weather at NWS - National Mosaic Enhanced 
> Radar Image: Full Resolution Loop 
>  anyway, so an occasional bird 
> event is just a plus.
> --
> NYSbirds-L List Info:
> Welcome and Basics 
> Rules and Information 
> Subscribe, Configuration and Leave 
> 
> Archives:
> The Mail Archive 
> 
> Surfbirds 
> BirdingOnThe.Net 
> Please submit your observations to eBird !
> --


--

NYSbirds-L List Info:
http://www.NortheastBirding.com/NYSbirdsWELCOME
http://www.NortheastBirding.com/NYSbirdsRULES
http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm

ARCHIVES:
1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
3) http://birdingonthe.net/mailinglists/NYSB.html

Please submit your observations to eBird:
http://ebird.org/content/ebird/

--

Re: [nysbirds-l] Radar

[Richard Guthrie]

In case this one wasn't mentioned: Wunderground Weather

https://www.wunderground.com/weather-radar/united-states/ny/new-york-city/okx/?region=bgm

I found the inexpensive ($5) contribution gets the 40 frame loop. That
gives you a 4-hour loop which is much better than the 6 frame loop on the
other sites.

I also participate in CoCoRhaS (a weather collaborative from Colorado State
University) which provides precipitation - especially snow levels
throughout the state. I submit data daily.

http://www.cocorahs.org/state.aspx?state=ny

Rich Guthrie
New Baltimore

On Sun, May 15, 2016 at 7:35 PM, Ben Mirin  wrote:

> Thank you for the tips, everyone!
>
> On Sun, May 15, 2016 at 6:05 PM, Jim Osterlund 
> wrote:
>
>> I can’t say what’s “best”.  I check weather at NWS - National Mosaic
>> Enhanced Radar Image: Full Resolution Loop
>>  anyway, so an occasional
>> bird event is just a plus.
>>
>
>
>
> --
> Ben Mirin is a Wildlife DJ, Science Educator, and Television Presenter. He
> creates music from sounds in nature to inspire and teach people about the
> natural world.
>
> Watch my pilot series WILD BEATS
>  on National Geographic Kids.
> Watch my interview  on Stony
> Brook University's News Program Hx2
>
> FOLLOW: @djecotone: Instagram , Twitter
> , Facebook
> 
> djecotone.com 
> Mobile (USA): (978) 509-5404
>
> --
> *NYSbirds-L List Info:*
> Welcome and Basics 
> Rules and Information 
> Subscribe, Configuration and Leave
> 
> *Archives:*
> The Mail Archive
> 
> Surfbirds 
> BirdingOnThe.Net 
> *Please submit your observations to **eBird*
> *!*
> --
>



-- 
Richard Guthrie

--

NYSbirds-L List Info:
http://www.NortheastBirding.com/NYSbirdsWELCOME
http://www.NortheastBirding.com/NYSbirdsRULES
http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm

ARCHIVES:
1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
3) http://birdingonthe.net/mailinglists/NYSB.html

Please submit your observations to eBird:
http://ebird.org/content/ebird/

--

Re: [nysbirds-l] Radar

[Ben Mirin]

Thank you for the tips, everyone!

On Sun, May 15, 2016 at 6:05 PM, Jim Osterlund 
wrote:

> I can’t say what’s “best”.  I check weather at NWS - National Mosaic
> Enhanced Radar Image: Full Resolution Loop
>  anyway, so an occasional
> bird event is just a plus.
>



-- 
Ben Mirin is a Wildlife DJ, Science Educator, and Television Presenter. He
creates music from sounds in nature to inspire and teach people about the
natural world.

Watch my pilot series WILD BEATS
 on National Geographic Kids.
Watch my interview  on Stony
Brook University's News Program Hx2

FOLLOW: @djecotone: Instagram , Twitter
, Facebook

djecotone.com 
Mobile (USA): (978) 509-5404

--

NYSbirds-L List Info:
http://www.NortheastBirding.com/NYSbirdsWELCOME
http://www.NortheastBirding.com/NYSbirdsRULES
http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm

ARCHIVES:
1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
3) http://birdingonthe.net/mailinglists/NYSB.html

Please submit your observations to eBird:
http://ebird.org/content/ebird/

--

Re: [nysbirds-l] Radar

[Ben Mirin]

Thank you for the tips, everyone!

On Sun, May 15, 2016 at 6:05 PM, Jim Osterlund 
wrote:

> I can’t say what’s “best”.  I check weather at NWS - National Mosaic
> Enhanced Radar Image: Full Resolution Loop
>  anyway, so an occasional
> bird event is just a plus.
>



-- 
Ben Mirin is a Wildlife DJ, Science Educator, and Television Presenter. He
creates music from sounds in nature to inspire and teach people about the
natural world.

Watch my pilot series WILD BEATS
 on National Geographic Kids.
Watch my interview  on Stony
Brook University's News Program Hx2

FOLLOW: @djecotone: Instagram , Twitter
, Facebook

djecotone.com 
Mobile (USA): (978) 509-5404

--

NYSbirds-L List Info:
http://www.NortheastBirding.com/NYSbirdsWELCOME
http://www.NortheastBirding.com/NYSbirdsRULES
http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm

ARCHIVES:
1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
3) http://birdingonthe.net/mailinglists/NYSB.html

Please submit your observations to eBird:
http://ebird.org/content/ebird/

--

Re: [nysbirds-l] Radar

[Jim Osterlund]

I can’t say what’s “best”.  I check weather at NWS - National Mosaic Enhanced 
Radar Image: Full Resolution Loop 
 anyway, so an occasional bird 
event is just a plus.
--

NYSbirds-L List Info:
http://www.NortheastBirding.com/NYSbirdsWELCOME
http://www.NortheastBirding.com/NYSbirdsRULES
http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm

ARCHIVES:
1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
3) http://birdingonthe.net/mailinglists/NYSB.html

Please submit your observations to eBird:
http://ebird.org/content/ebird/

--

Re: [nysbirds-l] Radar

[Jim Osterlund]

I can’t say what’s “best”.  I check weather at NWS - National Mosaic Enhanced 
Radar Image: Full Resolution Loop 
 anyway, so an occasional bird 
event is just a plus.
--

NYSbirds-L List Info:
http://www.NortheastBirding.com/NYSbirdsWELCOME
http://www.NortheastBirding.com/NYSbirdsRULES
http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm

ARCHIVES:
1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
3) http://birdingonthe.net/mailinglists/NYSB.html

Please submit your observations to eBird:
http://ebird.org/content/ebird/

--

Re: [nysbirds-l] Radar

[David Nicosia]

I like COD meteorology radar page.  It has all the new dual polar products
for our nexrad sites.

On Sun, May 15, 2016, 4:21 PM Ben Mirin  wrote:

> Hi all, what's your favorite/the best resource for monitoring radar
> online?
>
> Many thanks,
> Ben
>
>
> On Sunday, May 15, 2016, Jim Osterlund  wrote:
>
>> Then I’ll add;
>>
>> Sagtikos / Sunken Meadow Parkway, LIE Exit 53.
>> --
>>
>> NYSbirds-L List Info:
>> http://www.NortheastBirding.com/NYSbirdsWELCOME
>> http://www.NortheastBirding.com/NYSbirdsRULES
>> http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm
>>
>> ARCHIVES:
>> 1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
>> 2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
>> 3) http://birdingonthe.net/mailinglists/NYSB.html
>>
>> Please submit your observations to eBird:
>> http://ebird.org/content/ebird/
>>
>> --
>>
>>
>
> --
> Sent from my iPhone. I wish it could spell.
>
> Benjamin Mirin
>
> Ben on National Geographic
> Ben on National Public Radio
> Ben's TED talk
> Ben's YouTube Channel
>
> Mobile (USA): (978) 509-5404
> Twitter: @benmirin
> --
> *NYSbirds-L List Info:*
> Welcome and Basics 
> Rules and Information 
> Subscribe, Configuration and Leave
> 
> *Archives:*
> The Mail Archive
> 
> Surfbirds 
> BirdingOnThe.Net 
> *Please submit your observations to **eBird*
> *!*
> --
>

--

NYSbirds-L List Info:
http://www.NortheastBirding.com/NYSbirdsWELCOME
http://www.NortheastBirding.com/NYSbirdsRULES
http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm

ARCHIVES:
1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
3) http://birdingonthe.net/mailinglists/NYSB.html

Please submit your observations to eBird:
http://ebird.org/content/ebird/

--

Re: [nysbirds-l] Radar

[David Nicosia]

I like COD meteorology radar page.  It has all the new dual polar products
for our nexrad sites.

On Sun, May 15, 2016, 4:21 PM Ben Mirin  wrote:

> Hi all, what's your favorite/the best resource for monitoring radar
> online?
>
> Many thanks,
> Ben
>
>
> On Sunday, May 15, 2016, Jim Osterlund  wrote:
>
>> Then I’ll add;
>>
>> Sagtikos / Sunken Meadow Parkway, LIE Exit 53.
>> --
>>
>> NYSbirds-L List Info:
>> http://www.NortheastBirding.com/NYSbirdsWELCOME
>> http://www.NortheastBirding.com/NYSbirdsRULES
>> http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm
>>
>> ARCHIVES:
>> 1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
>> 2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
>> 3) http://birdingonthe.net/mailinglists/NYSB.html
>>
>> Please submit your observations to eBird:
>> http://ebird.org/content/ebird/
>>
>> --
>>
>>
>
> --
> Sent from my iPhone. I wish it could spell.
>
> Benjamin Mirin
>
> Ben on National Geographic
> Ben on National Public Radio
> Ben's TED talk
> Ben's YouTube Channel
>
> Mobile (USA): (978) 509-5404
> Twitter: @benmirin
> --
> *NYSbirds-L List Info:*
> Welcome and Basics 
> Rules and Information 
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[nysbirds-l] Radar

[Ben Mirin]

Hi all, what's your favorite/the best resource for monitoring radar online?

Many thanks,
Ben

On Sunday, May 15, 2016, Jim Osterlund > wrote:

> Then I’ll add;
>
> Sagtikos / Sunken Meadow Parkway, LIE Exit 53.
> --
>
> NYSbirds-L List Info:
> http://www.NortheastBirding.com/NYSbirdsWELCOME
> http://www.NortheastBirding.com/NYSbirdsRULES
> http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm
>
> ARCHIVES:
> 1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
> 2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
> 3) http://birdingonthe.net/mailinglists/NYSB.html
>
> Please submit your observations to eBird:
> http://ebird.org/content/ebird/
>
> --
>
>

-- 
Sent from my iPhone. I wish it could spell.

Benjamin Mirin

Ben on National Geographic
Ben on National Public Radio
Ben's TED talk
Ben's YouTube Channel

Mobile (USA): (978) 509-5404
Twitter: @benmirin

--

NYSbirds-L List Info:
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http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm

ARCHIVES:
1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
3) http://birdingonthe.net/mailinglists/NYSB.html

Please submit your observations to eBird:
http://ebird.org/content/ebird/

--

[nysbirds-l] Radar

[Ben Mirin]

Hi all, what's your favorite/the best resource for monitoring radar online?

Many thanks,
Ben

On Sunday, May 15, 2016, Jim Osterlund > wrote:

> Then I’ll add;
>
> Sagtikos / Sunken Meadow Parkway, LIE Exit 53.
> --
>
> NYSbirds-L List Info:
> http://www.NortheastBirding.com/NYSbirdsWELCOME
> http://www.NortheastBirding.com/NYSbirdsRULES
> http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm
>
> ARCHIVES:
> 1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
> 2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
> 3) http://birdingonthe.net/mailinglists/NYSB.html
>
> Please submit your observations to eBird:
> http://ebird.org/content/ebird/
>
> --
>
>

-- 
Sent from my iPhone. I wish it could spell.

Benjamin Mirin

Ben on National Geographic
Ben on National Public Radio
Ben's TED talk
Ben's YouTube Channel

Mobile (USA): (978) 509-5404
Twitter: @benmirin

--

NYSbirds-L List Info:
http://www.NortheastBirding.com/NYSbirdsWELCOME
http://www.NortheastBirding.com/NYSbirdsRULES
http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm

ARCHIVES:
1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
3) http://birdingonthe.net/mailinglists/NYSB.html

Please submit your observations to eBird:
http://ebird.org/content/ebird/

--

Re: [nysbirds-l] Radar

[Jim Osterlund]

Then I’ll add;

Sagtikos / Sunken Meadow Parkway, LIE Exit 53.
--

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ARCHIVES:
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Please submit your observations to eBird:
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--

Re: [nysbirds-l] Radar

[Jim Osterlund]

Then I’ll add;

Sagtikos / Sunken Meadow Parkway, LIE Exit 53.
--

NYSbirds-L List Info:
http://www.NortheastBirding.com/NYSbirdsWELCOME
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http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm

ARCHIVES:
1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
3) http://birdingonthe.net/mailinglists/NYSB.html

Please submit your observations to eBird:
http://ebird.org/content/ebird/

--

Re: [nysbirds-l] Radar

[Benjamin Van Doren]

I'd be interested in the north shore, especially from Northport to
Setauket. Birds over LI Sound may have turned around and landed, and thus
could be concentrated on the north shore. Just a guess.

Benjamin

On Sun, May 15, 2016 at 12:11 AM, Jim Osterlund 
wrote:

> Thank you sir!
>
> For reference, should anyone come out to investigate, the thin, red lines
> on the radar display, where the image faded, are local main north-south
> routes;  reading east-to-west;
>
> William Floyd Parkway   Route 46LIE Exit 68
> Medford Avenue  Route 112   LIE Exit 64
> Nichols RoadRoute 97LIE Exit 62
>
>

--

NYSbirds-L List Info:
http://www.NortheastBirding.com/NYSbirdsWELCOME
http://www.NortheastBirding.com/NYSbirdsRULES
http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm

ARCHIVES:
1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
3) http://birdingonthe.net/mailinglists/NYSB.html

Please submit your observations to eBird:
http://ebird.org/content/ebird/

--

Re: [nysbirds-l] Radar

[Benjamin Van Doren]

I'd be interested in the north shore, especially from Northport to
Setauket. Birds over LI Sound may have turned around and landed, and thus
could be concentrated on the north shore. Just a guess.

Benjamin

On Sun, May 15, 2016 at 12:11 AM, Jim Osterlund 
wrote:

> Thank you sir!
>
> For reference, should anyone come out to investigate, the thin, red lines
> on the radar display, where the image faded, are local main north-south
> routes;  reading east-to-west;
>
> William Floyd Parkway   Route 46LIE Exit 68
> Medford Avenue  Route 112   LIE Exit 64
> Nichols RoadRoute 97LIE Exit 62
>
>

--

NYSbirds-L List Info:
http://www.NortheastBirding.com/NYSbirdsWELCOME
http://www.NortheastBirding.com/NYSbirdsRULES
http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm

ARCHIVES:
1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
3) http://birdingonthe.net/mailinglists/NYSB.html

Please submit your observations to eBird:
http://ebird.org/content/ebird/

--

Re: [nysbirds-l] Radar

[Jim Osterlund]

Thank you sir!

For reference, should anyone come out to investigate, the thin, red lines on 
the radar display, where the image faded, are local main north-south routes;  
reading east-to-west;

William Floyd Parkway   Route 46LIE Exit 68
Medford Avenue  Route 112   LIE Exit 64
Nichols RoadRoute 97LIE Exit 62


--

NYSbirds-L List Info:
http://www.NortheastBirding.com/NYSbirdsWELCOME
http://www.NortheastBirding.com/NYSbirdsRULES
http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm

ARCHIVES:
1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
3) http://birdingonthe.net/mailinglists/NYSB.html

Please submit your observations to eBird:
http://ebird.org/content/ebird/

--

Re: [nysbirds-l] Radar

[Jim Osterlund]

Thank you sir!

For reference, should anyone come out to investigate, the thin, red lines on 
the radar display, where the image faded, are local main north-south routes;  
reading east-to-west;

William Floyd Parkway   Route 46LIE Exit 68
Medford Avenue  Route 112   LIE Exit 64
Nichols RoadRoute 97LIE Exit 62


--

NYSbirds-L List Info:
http://www.NortheastBirding.com/NYSbirdsWELCOME
http://www.NortheastBirding.com/NYSbirdsRULES
http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm

ARCHIVES:
1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
3) http://birdingonthe.net/mailinglists/NYSB.html

Please submit your observations to eBird:
http://ebird.org/content/ebird/

--

Re: [nysbirds-l] Radar

[Benjamin Van Doren]

Just to clarify a bit -- this concentrating of birds at low altitudes
and/or birds landing is probably happening across a larger area, but we can
only see it over west-central Long Island because that's the only place
where the radar is able to sample low altitudes due to its location.

Benjamin

On Sun, May 15, 2016 at 12:00 AM, Benjamin Van Doren 
wrote:

> Hi Jim,
>
> This is really interesting. I believe what is going on here is the
> following: favorable southerly winds ahead of the front (i.e. ahead of the
> rain) and light winds just after fontal passage caused birds to take off in
> large numbers...but unfavorable northwesterly winds are following the
> front. If you watch a loop of the radar you can see that birds take off at
> high densities across Long Island and much of Connecticut, but start to
> disappear from higher altitudes (i.e. from CT - further from the radar)
> after the precipitation passes, and they become more concentrated on LI (at
> lower altitudes), such that by midnight there are only high densities over
> LI. Barring any radar beam weirdness, it would seem that, as of midnight,
> there are a lot of birds concentrated at low altitudes over central Long
> Island, and they don't appear to be crossing the sound (in the face of
> northerly winds). Except perhaps at low altitudes, which we wouldn't be
> able to see easily. Might be interesting to check out west-central LI
> tomorrow...
>
> Benjamin
>
>
> On Sat, May 14, 2016 at 11:35 PM, Jim Osterlund 
> wrote:
>
>> Are there any radar watchers out there tonight?  If so, can you
>> characterize the image over central Suffolk at around 2330>
>>
>> --
>>
>> NYSbirds-L List Info:
>> http://www.NortheastBirding.com/NYSbirdsWELCOME
>> http://www.NortheastBirding.com/NYSbirdsRULES
>> http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm
>>
>> ARCHIVES:
>> 1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
>> 2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
>> 3) http://birdingonthe.net/mailinglists/NYSB.html
>>
>> Please submit your observations to eBird:
>> http://ebird.org/content/ebird/
>>
>> --
>>
>
>

--

NYSbirds-L List Info:
http://www.NortheastBirding.com/NYSbirdsWELCOME
http://www.NortheastBirding.com/NYSbirdsRULES
http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm

ARCHIVES:
1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
3) http://birdingonthe.net/mailinglists/NYSB.html

Please submit your observations to eBird:
http://ebird.org/content/ebird/

--

Re: [nysbirds-l] Radar

[Benjamin Van Doren]

Just to clarify a bit -- this concentrating of birds at low altitudes
and/or birds landing is probably happening across a larger area, but we can
only see it over west-central Long Island because that's the only place
where the radar is able to sample low altitudes due to its location.

Benjamin

On Sun, May 15, 2016 at 12:00 AM, Benjamin Van Doren 
wrote:

> Hi Jim,
>
> This is really interesting. I believe what is going on here is the
> following: favorable southerly winds ahead of the front (i.e. ahead of the
> rain) and light winds just after fontal passage caused birds to take off in
> large numbers...but unfavorable northwesterly winds are following the
> front. If you watch a loop of the radar you can see that birds take off at
> high densities across Long Island and much of Connecticut, but start to
> disappear from higher altitudes (i.e. from CT - further from the radar)
> after the precipitation passes, and they become more concentrated on LI (at
> lower altitudes), such that by midnight there are only high densities over
> LI. Barring any radar beam weirdness, it would seem that, as of midnight,
> there are a lot of birds concentrated at low altitudes over central Long
> Island, and they don't appear to be crossing the sound (in the face of
> northerly winds). Except perhaps at low altitudes, which we wouldn't be
> able to see easily. Might be interesting to check out west-central LI
> tomorrow...
>
> Benjamin
>
>
> On Sat, May 14, 2016 at 11:35 PM, Jim Osterlund 
> wrote:
>
>> Are there any radar watchers out there tonight?  If so, can you
>> characterize the image over central Suffolk at around 2330>
>>
>> --
>>
>> NYSbirds-L List Info:
>> http://www.NortheastBirding.com/NYSbirdsWELCOME
>> http://www.NortheastBirding.com/NYSbirdsRULES
>> http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm
>>
>> ARCHIVES:
>> 1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
>> 2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
>> 3) http://birdingonthe.net/mailinglists/NYSB.html
>>
>> Please submit your observations to eBird:
>> http://ebird.org/content/ebird/
>>
>> --
>>
>
>

--

NYSbirds-L List Info:
http://www.NortheastBirding.com/NYSbirdsWELCOME
http://www.NortheastBirding.com/NYSbirdsRULES
http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm

ARCHIVES:
1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
3) http://birdingonthe.net/mailinglists/NYSB.html

Please submit your observations to eBird:
http://ebird.org/content/ebird/

--

Re: [nysbirds-l] Radar

[Benjamin Van Doren]

Hi Jim,

This is really interesting. I believe what is going on here is the
following: favorable southerly winds ahead of the front (i.e. ahead of the
rain) and light winds just after fontal passage caused birds to take off in
large numbers...but unfavorable northwesterly winds are following the
front. If you watch a loop of the radar you can see that birds take off at
high densities across Long Island and much of Connecticut, but start to
disappear from higher altitudes (i.e. from CT - further from the radar)
after the precipitation passes, and they become more concentrated on LI (at
lower altitudes), such that by midnight there are only high densities over
LI. Barring any radar beam weirdness, it would seem that, as of midnight,
there are a lot of birds concentrated at low altitudes over central Long
Island, and they don't appear to be crossing the sound (in the face of
northerly winds). Except perhaps at low altitudes, which we wouldn't be
able to see easily. Might be interesting to check out west-central LI
tomorrow...

Benjamin


On Sat, May 14, 2016 at 11:35 PM, Jim Osterlund 
wrote:

> Are there any radar watchers out there tonight?  If so, can you
> characterize the image over central Suffolk at around 2330>
>
> --
>
> NYSbirds-L List Info:
> http://www.NortheastBirding.com/NYSbirdsWELCOME
> http://www.NortheastBirding.com/NYSbirdsRULES
> http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm
>
> ARCHIVES:
> 1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
> 2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
> 3) http://birdingonthe.net/mailinglists/NYSB.html
>
> Please submit your observations to eBird:
> http://ebird.org/content/ebird/
>
> --
>

--

NYSbirds-L List Info:
http://www.NortheastBirding.com/NYSbirdsWELCOME
http://www.NortheastBirding.com/NYSbirdsRULES
http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm

ARCHIVES:
1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
3) http://birdingonthe.net/mailinglists/NYSB.html

Please submit your observations to eBird:
http://ebird.org/content/ebird/

--

Re: [nysbirds-l] Radar

[Benjamin Van Doren]

Hi Jim,

This is really interesting. I believe what is going on here is the
following: favorable southerly winds ahead of the front (i.e. ahead of the
rain) and light winds just after fontal passage caused birds to take off in
large numbers...but unfavorable northwesterly winds are following the
front. If you watch a loop of the radar you can see that birds take off at
high densities across Long Island and much of Connecticut, but start to
disappear from higher altitudes (i.e. from CT - further from the radar)
after the precipitation passes, and they become more concentrated on LI (at
lower altitudes), such that by midnight there are only high densities over
LI. Barring any radar beam weirdness, it would seem that, as of midnight,
there are a lot of birds concentrated at low altitudes over central Long
Island, and they don't appear to be crossing the sound (in the face of
northerly winds). Except perhaps at low altitudes, which we wouldn't be
able to see easily. Might be interesting to check out west-central LI
tomorrow...

Benjamin


On Sat, May 14, 2016 at 11:35 PM, Jim Osterlund 
wrote:

> Are there any radar watchers out there tonight?  If so, can you
> characterize the image over central Suffolk at around 2330>
>
> --
>
> NYSbirds-L List Info:
> http://www.NortheastBirding.com/NYSbirdsWELCOME
> http://www.NortheastBirding.com/NYSbirdsRULES
> http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm
>
> ARCHIVES:
> 1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
> 2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
> 3) http://birdingonthe.net/mailinglists/NYSB.html
>
> Please submit your observations to eBird:
> http://ebird.org/content/ebird/
>
> --
>

--

NYSbirds-L List Info:
http://www.NortheastBirding.com/NYSbirdsWELCOME
http://www.NortheastBirding.com/NYSbirdsRULES
http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm

ARCHIVES:
1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
3) http://birdingonthe.net/mailinglists/NYSB.html

Please submit your observations to eBird:
http://ebird.org/content/ebird/

--

[nysbirds-l] Radar

[Jim Osterlund]

Are there any radar watchers out there tonight?  If so, can you characterize 
the image over central Suffolk at around 2330>

--

NYSbirds-L List Info:
http://www.NortheastBirding.com/NYSbirdsWELCOME
http://www.NortheastBirding.com/NYSbirdsRULES
http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm

ARCHIVES:
1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
3) http://birdingonthe.net/mailinglists/NYSB.html

Please submit your observations to eBird:
http://ebird.org/content/ebird/

--

[nysbirds-l] Radar

[Jim Osterlund]

Are there any radar watchers out there tonight?  If so, can you characterize 
the image over central Suffolk at around 2330>

--

NYSbirds-L List Info:
http://www.NortheastBirding.com/NYSbirdsWELCOME
http://www.NortheastBirding.com/NYSbirdsRULES
http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm

ARCHIVES:
1) http://www.mail-archive.com/nysbirds-l@cornell.edu/maillist.html
2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L
3) http://birdingonthe.net/mailinglists/NYSB.html

Please submit your observations to eBird:
http://ebird.org/content/ebird/

--