[meteorite-list] Lake Ontario event

[Fries, Marc D. (JSC-XI211) via Meteorite-list]

I re-calculated the 19 Nov 2022 Lake Ontario meteorite fall.  Most of the 
meteorites landed in the lake, in shallow water reportedly less than ~70' deep. 
 Some meteorites up to 230g are seen landing off of Vineland Station but larger 
masses almost certainly fell down-track as well.

https://ares.jsc.nasa.gov/meteorite-falls/events/grimsby-ontario

https://en.wikipedia.org/wiki/2022_WJ1

Cheers,
Marc Fries
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[meteorite-list] Meteorite fall New Jersey 08 May 2023

[Fries, Marc D. (JSC-XI211) via Meteorite-list]

Howdy all

  There was a meteorite fall yesterday afternoon in New Jersey, 
with one meteorite falling through a house.  Radar indicates this was a larger 
fall than just a single stone, although overall mass is fairly low.  I am 
working on the data now, but am updating the NASA Meteorite Falls page as I go:

https://ares.jsc.nasa.gov/meteorite-falls/

  Keep an eye on this page throughout the day as I add a strewn 
field and other data.  Good luck!

Cheers,
Marc Fries
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[meteorite-list] Debris de-orbit

[Fries, Marc D. (JSC-XI211) via Meteorite-list]

A SpaceX Dragon trunk re-entered over AZ, NM, CO last night.  Radar indicates 
large pieces reached the ground in CO and perhaps elsewhere.  I'll have an 
update on NASA Meteorite Falls later today.

Cheers,
Marc Fries
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[meteorite-list] New meteorite fall in Maine

[Fries, Marc D. (JSC-XI211) via Meteorite-list]

Howdy all

There was a noontime bolide over eastern Maine this past Saturday which 
produced a meteorite fall. There was only one NEXRAD radar in range of this 
event but it appears in four radar sweeps, complete with short-range turbulence 
from falling rocks.  Details can be found here:

https://ares.jsc.nasa.gov/meteorite-falls/events/waite-me-08-april-2023-1556-utc

My apologies for not sending this email earlier.  If anyone wants a 
copy of the Google Earth .kmz send me an email at this address.

Cheers,
Marc Fries
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[meteorite-list] New meteorite fall outside McAllen, TX 15 Feb 2023

[Fries, Marc D. (JSC-XI211) via Meteorite-list]

Greetings all

  Radar, GLM, eyewitness, and other data indicate a voluminous new 
meteorite fall outside of McAllen, TX yesterday afternoon.  I will post images 
and a strewn field map ASAP on the ARES Meteorite Falls web page. 
https://ares.jsc.nasa.gov/meteorite-falls/

  Some free advice - be on your best behavior around south Texas 
ranchers.

Cheers,
Marc Fries
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[meteorite-list] Muskogee kmz

[Fries, Marc D. (JSC-XI211) via Meteorite-list]

I have finished calculating the landing sites for all of the radar signatures 
in the Muskogee fall, and they produced a nicely defined strewn field.  I 
cannot post the Google Earth kmz on the NASA website just because there is no 
file-sharing mechanism there. Feel free to email me at this address and I'll 
send you the kmz file.

The new calculation moves the strewn field slightly east for the heaviest 
masses, and expands the strewnfield slightly south and west.  It looks like it 
was a fairly massive fall.

Cheers,
Marc Fries
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[meteorite-list] Strewn field for Muskogee

[Fries, Marc D. (JSC-XI211) via Meteorite-list]

The strewn field is now published for the Muskogee event.  This was created 
using the newest version of Jormungandr which is still in mid-validation, so I 
may update it.  Even if so it shouldn't change much.

Evidence suggests large meteorites fell near the airport, in the 100g range.

https://ares.jsc.nasa.gov/meteorite-falls/
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[meteorite-list] High-certainty meteorite fall on Muskogee, OK

[Fries, Marc D. (JSC-XI211) via Meteorite-list]

Greetings

  It appears that this event on AMS resulted in a meteorite fall:

https://ams.imo.net/members/imo_view/event/2023/374

  The event occurred at 03:38:50 AM local time on 20 January 2023, 
or 0938:50 UTC. It appears in GLM data and in data from four separate NEXRAD 
radars showing signatures of falling meteorites. The bolide traveled from NW to 
SE starting off east of Tulsa and terminating over Muskogee. Tomorrow I will 
generate a NASA Meteorite Falls web page for this event complete with a 
computed strewn field, in the meantime you can visit my Twitter account for 
first-draft radar images of the fall (Marc Fries, @warrantyviolatr - not a NASA 
account!).

  The most massive meteorites probably landed east of the Muskogee 
airport along a line extending to the SE. Winds were out of the SW, so smaller 
meteorites (100s of grams and less) landed in the southern end of Muskogee 
extending towards the NW.  This will be a roughly banana-shaped strewn field 
with the large end extending towards the SE and smaller meteorites extending 
towards the NE.

  More to come in the morning...

Good luck!
Marc Fries
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[meteorite-list] Meteorite Fall - Grimsby Ontario 19 Nov 2022

[Fries, Marc D. (JSC-XI211) via Meteorite-list]

Yes that same Grimsby.  They get a new meteorite fall for 2022.  Don't get mad 
at me, I just report these things!

Web page is up at: https://ares.jsc.nasa.gov/meteorite-falls/

I am also posting tweets under my own account.  Find it by searching for Marc 
Fries, @WarrantyViolatr  Be advised that this is a personal account and 
contains opinions and comments that are not NASA-approved.

Most but not all of this fall is in Lake Ontario.  Small masses should be on 
the ground east of Grimsby, and larger ones might be on land near McNab.

Cheers,
Marc Fries
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[meteorite-list] Georgia Meteorite Fall 26 Sep 2022

[Fries, Marc D. (JSC-XI211) via Meteorite-list]

Howdy

  A new meteorite fall occurred on 26 Sep 2022 UTC east of Junction 
City, GA.  Meteorites have been recovered from this event.

  Details can be found at:

https://ares.jsc.nasa.gov/meteorite-falls/

Cheers,
Marc Fries
--
HISTORICAL AMERICAN METEORITE OF OVER 42 KG
Bonhams Natural History auction on Sep 21 offers 50+ lots of stellar planetary 
meteorite specimens, including a superb Canyon Diablo specimen. Browse the 
auction and register to bid online.

Link:  
https://www.bonhams.com/auction/27815/cabinet-of-curiosities-natural-history-entomology-and-minerals/?utm_source=meteroritecentral_medium=banner_campaign=nat-sep-22_id=col-nat-sep-22
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[meteorite-list] Update on 24 Aug 2022 Colorado event

[Fries, Marc D. (JSC-XI211) via Meteorite-list]

I have posted a NASA page for the recent Colorado event:

https://ares.jsc.nasa.gov/meteorite-falls/events/coalmont-co

This is a POSSIBLE meteorite fall.  It only produced one radar signature but I 
am including it because the signature is fairly strong and features short-range 
turbulence.  Having only one signature reduces confidence that this is a fall, 
but the appearance of turbulence makes it more interesting.  Also, the Denver 
mineral show is coming up and some folks have contacted me stating that they'd 
be interested in investigating this event as part of a trip to that show.  So, 
here it is - good luck!  I hope it is a fall.

Cheers,
Marc

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[meteorite-list] Interesting radar signature - Colorado bolide, AMS event 5337

[Fries, Marc D. (JSC-XI211) via Meteorite-list]

Howdy

  I've found something interesting in radar data from the 24 Aug 
event over Colorado and would like to ask for input.  All radar observations of 
this event were from moderate to long range as the relatively nearby Cheyenne 
radar was down.  The Front Range (KFTG) radar shows a strong signature in a 
single sweep that may be worth investigating. It appears in the 0233 data set, 
in the 1.80 degree sweep.  The signature is just west of Coalmont, CO.  It is a 
strong radar reflection with short-range turbulence as seen in the Velocity 
data.

  The signature appears along the ground track calculated by AMS.  
It occurs about 4 minutes after the AMS time and appears to have short range 
turbulence. These are factors which point towards a detection of a meteorite 
fall.  It only appears in one radar sweep, although KRIW may have also picked 
it up in the 0234 data set, 1.32 degree sweep.

  Thoughts?

Cheers,
Marc Fries

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[meteorite-list] Great Salt Lake meteorite fall, 13 Aug 2022

[Fries, Marc D. (JSC-XI211) via Meteorite-list]

After a series of computer-based misadventures, I have (finally) posted a NASA 
Meteorite Falls page for the Salt Lake City meteorite fall:

https://ares.jsc.nasa.gov/meteorite-falls/

To date more than a dozen meteorites have been recovered.  To the best of my 
knowledge they were all on the western shore of the Great Salt Lake, but it 
appears some smaller meteorites may also be found on the eastern shore quite 
close to Salt Lake City. The meteorites recovered to date have trended to 
masses in the hundreds of grams.

Be very careful hunting this fall.  The ground is recently-exposed lake floor 
and is soft and wet. Temperatures are high and there are no drinkable water 
sources. People have reported getting trucks and off-road vehicles stuck, and 
it is a long walk to the nearest road. Use good desert survival practices and 
bring lots of water. Sources such as the National Park Service can be of use in 
planning a safe trek:

https://www.nps.gov/subjects/healthandsafety/trip-planning-guide.htm

Feel free to contact me with any questions about this event - 
marc.d.fr...@nasa.gov

Cheers,
Marc

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[meteorite-list] Much-delayed notice of UT meteorite fall

[Fries, Marc D. (JSC-XI211) via Meteorite-list]

I have been on international travel for almost two weeks, and the loaner 
computer I was using "bricked".  I've been without a computer or email for 
almost two weeks as a result.  On 15 August I sent an email to the List from my 
phone to try to get the word out, but that apparently didn't work.  Here's the 
original email again, and now that I'm back in the States with a working 
computer I'll generate a strewn field for the Salt Lake City fall ASAP.

Cheers,
Marc Fries

Original email:
Greetings

I am on international travel with a bricked computer and am trying to get 
word out about a possible Utah meteorite fall. This was a daytime bolide of 13 
August.  I will have difficulty working on this event until I return stateside 
in almost two weeks, so others need to jump in and check this event.

   Radar signatures appear in higher elevations of the KMTX 1428 radar data 
set. They are mostly visible in the Velocity data because the radar is nearby 
and there is interference from ground clutter and weather. They appear roughly 
parallel to and north of I-80 along a track that approximately matches both the 
AMS ground track and GLM signatures. The ground track of these radar signatures 
is long, but that appears to match GLM data showing a low entry angle, fairly 
long ground track. I see signatures consistent with fast-moving meteorites in 
five radar sweeps (between 4 and 12.4 degree sweeps).

Videos of this event show a fast moving, bright daytime fireball. I'm 
surprised to see radar signatures given the apparent speed, but they appear 
reasonable for a meteorite fall. The ground track is partially over the Great 
Salt Lake and partially over shoreline not far north of I-80.

Sent from my iPhone

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[meteorite-list] Meteorite Fall observed - Natchez MS 27 April 2022

[Fries, Marc D. (JSC-XI211) via Meteorite-list]

A remarkable meteorite fall has occurred east of Natchez MS.  This event was 
widely reported in media because loud sonic booms were reported over a wide 
area.  This was a daytime fireball and a single video (as far as I know) has 
emerged on Twitter.

Weather radar records a nearly vertical column of falling meteorites, seen in 
at least eleven radar sweeps in at least four separate radars.

https://ares.jsc.nasa.gov/meteorite-falls/

It is currently the front page item for the NASA Meteorite Falls page.  At 
present no meteorites have been recovered to my knowledge, but I assign a high 
certainty that meteorites have fallen.

Cheers,
Marc Fries
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[meteorite-list] Notice of meteorite FALL 27 Apr 2022

[Fries, Marc D. (JSC-XI211) via Meteorite-list]

A significant meteorite fall has occurred outside Natchez, MS yesterday at 8AM 
local time.  Detailed strewn field to follow soon.

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[meteorite-list] Fredricksburg TX event 29 Jan 2022

[Fries, Marc D. (JSC-XI211) via Meteorite-list]

Howdy all

  We've had a bunch of fireballs with dozens of AMS eyewitness 
reports over the last couple of months.  In going back over them I found a 
really nice one that escaped my notice:

https://fireball.amsmeteors.org/members/imo_view/event/2022/740

  The videos of this event show an exceptionally long-lasting 
fireball (~14s) with pronounced fragmentation.  It appears that multiple 
objects slow down towards the end of the fireball. This appears to be a good 
candidate for a meteorite fall.

  Searching the radar data yielded some interesting signatures 
~35km NW of Fredricksburg, TX on the KGRK, KEWX, KDYX, and KSJT radars.  None 
are especially strong but they seem to cluster.  I cannot find any pronounced 
surface features, windmill farms, radio towers, or other reflectors at this 
site.  I will draw up a NASA Meteorite Falls page for this event and share 
images once I'm happy with the data refinement.  In the meanwhile, could y'all 
have a look?  This one may be promising.  There is a signature on KSJT in the 
1.49 degree sweep, 0602 data set, which appears only 40s after the fireball 
terminus.  Jormungandr calculates that it corresponds to a/an 11.1kg 
meteorite(s).

Cheers,
Marc Fries
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[meteorite-list] Update: Meteorite Fall outside Patch Grove WI 20 Jan 2022

[Fries, Marc D. (JSC-XI211) via Meteorite-list]

Howdy all

  After parsing through some more data I've convinced myself that 
there was a (probably small) meteorite fall near Patch Grove, WI on 20 January. 
 NASA Meteor Watch (look them up on Facebook) reports that this fireball was 
very slow-moving, near the lower limit of infall velocities for meteoroids.  
This makes for a relatively weak fireball and enhanced chance of meteorite 
survival - but it also means this could be a small body that wouldn't have 
survived if not for the low speed, and few meteorites were produced.  On radar 
I see radar signatures from falling meteorites of mean masses 2.8g and 0.2g, 
seen on two different radars (KARX and KGRB) which improves confidence in the 
detection.  Seismic data shows a relatively weak sonic boom, and only one AMS 
eyewitness reported hearing this one and it was electrophonic noise and not a 
sonic boom.  It does not show up in GLM data.
  All told, my conclusion was this was a small body that produced a 
small fall, largely on account of its very low infall speed.  The ground is 
mostly farmland and should be favorable for recovery.  It might be best to 
focus on finding meteorites in the sub-100g range, but that is just my opinion.

NASA Meteorite Falls page is up:

https://ares.jsc.nasa.gov/meteorite-falls/

If you have trouble with the website try using a phone.  I can't see it on my 
computer but it shows up fine on my phone.

Good luck!
Marc Fries
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[meteorite-list] Possible meteorite fall, WI 20 Jan 2022

[Fries, Marc D. (JSC-XI211) via Meteorite-list]

Howdy all

  AMS' meteor event 512 may have produced a fall, as there is an 
interesting radar signature that matches in time and place:

https://fireball.amsmeteors.org/members/imo_view/event/2022/512

  The bolide was traveling from NE to SW according to AMS.  I've 
found one video of the event:

https://www.youtube.com/watch?v=a3xfNG_jLlo

  Radar shows a signature at 5km AGL altitude, just west of the 
town of Patch Grove, WI.  I'd prefer to see signatures on multiple radars and 
altitudes to build confidence that we're seeing a fall, but this single sweep 
does look similar to those seen in previous falls.  Its' altitude probably 
precludes interference from birds, and it does not have the traditional shape 
or intensity of a reflection from an aircraft.  It is also almost exactly at 
the terminus end of AMS' ground track estimate.  The event does not show up in 
Geostationary Lightning Mapper data, and it produced a fairly weak signature in 
a seismometer approximately 50 miles away. All of these add up to a small 
meteorite fall, but probably find-able given that the terrain is mostly 
farmland.
  I'll draw up a NASA web page for this event, but wanted to pass 
on the news so you all can start talking about it.

  Fun factoid - the radar signature for this event is only 35 miles 
from Mifflin, WI.

Cheers,
Marc FRies
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Re: [meteorite-list] NJ 13 Nov 2021 bolide - possible FALL

[Fries, Marc D. (JSC-XI211) via Meteorite-list]

Quick update...

https://ares.jsc.nasa.gov/meteorite-falls/events/cape-may-courthouse-nj


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Re: [meteorite-list] NJ 13 Nov 2021 bolide - possible FALL

[Fries, Marc D. (JSC-XI211) via Meteorite-list]

I forgot to mention - the radar signatures appear over land, just north of Cape 
May, NJ.  There isn't a lot of land there, but this is a special event that 
merits extra effort.  More soon.

-Original Message-
From: Fries, Marc D. (JSC-XI211) 
Sent: Monday, November 15, 2021 1:11 PM
To: meteorite-list@meteoritecentral.com
Subject: NJ 13 Nov 2021 bolide - possible FALL

Howdy all

I have found some interesting radar returns associated with the New 
Jersey daytime bolide on 13 Nov 2021.  I am sending this email as advance 
notice that more information is coming, and to give as much time as possible 
for others to start looking into the data.  This is AMS event number 7611 for 
2021:

https://fireballs.amsmeteors.org/members/imo_view/event/2021/7611

I believe the ground track in the AMS report is incorrect for two 
reasons.  One, if you look at the highest-confidence eyewitness reports with 
directions turned on, you'll see that they are reporting a ground track much 
further to the south.  Two, if this event followed the AMS ground track then 
there should have been many reports of sound in the NJ/NY area.  There are none.

Also, go look at "NASA Meteor Watch" on Facebook.  I can't link to it 
here but they report a ground track much further south, terminating near Cape 
May, NJ.

I found some very interesting radar returns near Cape May, THEN looked 
at NASA Meteor Watch and found their ground track bullseyes the radar returns.

Furthermore, NASA Meteor Watch reports that this bolide matches the 
expected speed and direction for a body originating from the Taurid meteor 
shower which is currently active.  These bodies originate from Comet Encke.  
Therefore, this event may be a cometary-origin meteorite fall, from a known 
comet no less.

At this point I have found signatures in data from two different 
radars.  I'm taking the unusual step of stopping my own analysis long enough to 
spread this word.  If you work with video, radar, seismometer data, or any 
other form of meteorite fall research, I suggest you look closely at this event 
and let's start a discussion.

Back to the data...   I will put up a web page on this event on NASA 
ARES' website ASAP.

Cheers,
Marc Fries
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[meteorite-list] NJ 13 Nov 2021 bolide - possible FALL

[Fries, Marc D. (JSC-XI211) via Meteorite-list]

Howdy all

I have found some interesting radar returns associated with the New 
Jersey daytime bolide on 13 Nov 2021.  I am sending this email as advance 
notice that more information is coming, and to give as much time as possible 
for others to start looking into the data.  This is AMS event number 7611 for 
2021:

https://fireballs.amsmeteors.org/members/imo_view/event/2021/7611

I believe the ground track in the AMS report is incorrect for two 
reasons.  One, if you look at the highest-confidence eyewitness reports with 
directions turned on, you'll see that they are reporting a ground track much 
further to the south.  Two, if this event followed the AMS ground track then 
there should have been many reports of sound in the NJ/NY area.  There are none.

Also, go look at "NASA Meteor Watch" on Facebook.  I can't link to it 
here but they report a ground track much further south, terminating near Cape 
May, NJ.

I found some very interesting radar returns near Cape May, THEN looked 
at NASA Meteor Watch and found their ground track bullseyes the radar returns.

Furthermore, NASA Meteor Watch reports that this bolide matches the 
expected speed and direction for a body originating from the Taurid meteor 
shower which is currently active.  These bodies originate from Comet Encke.  
Therefore, this event may be a cometary-origin meteorite fall, from a known 
comet no less.

At this point I have found signatures in data from two different 
radars.  I'm taking the unusual step of stopping my own analysis long enough to 
spread this word.  If you work with video, radar, seismometer data, or any 
other form of meteorite fall research, I suggest you look closely at this event 
and let's start a discussion.

Back to the data...   I will put up a web page on this event on NASA 
ARES' website ASAP.

Cheers,
Marc Fries
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Re: [meteorite-list] [EXTERNAL] Meteorite-list Digest, Vol 229, Issue 17

[Fries, Marc D. (JSC-XI211) via Meteorite-list]

Howdy all

Re: the 16 Oct 2021 daytime fireball seen in video from Tucson. On 
further examination, the expanding-ring feature on radar appears to be birds 
leaving their roosts at daybreak, and it is just a coincidence that it appears 
in the same 10-minute GLM exposure as the bolide.  
GLM data need to be processed to produce the actual ground track - this 
event shows up on both GOES East and GOES West imagery, and each one imposes an 
error in actual position based on the viewing angle of the satellite.  NASA 
Bolides normally does this analysis, but they're slow.  Right now their most 
recent events are from mid-September: https://neo-bolide.ndc.nasa.gov/#/   It 
looks to me like the bolide terminated in northern Mexico from the GLM data, 
but again - someone who actually knows how to correct their data needs to have 
a go at it.
I drew up an azimuth towards the terminus using the train station video 
and Google Earth, and it does appear to coincide with the terminus location 
inferred from GLM data.  At this point I'm thinking the terminus, was in Mexico 
approximately 40 miles south of the US border.  The video also shows that the 
fireball was quite fast, which may explain why AMS eyewitnesses were all over 
the place with their azimuth reports. It also, of course, decreases the 
likelihood that any meteorites reached the ground.
I searched for seismometer signatures for this event and came up empty, 
but there was only one nearby seismometer with data available yesterday.

Cheers,
Marc Fries
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[meteorite-list] Daytime fireball 16 Oct 2021

[Fries, Marc D. (JSC-XI211) via Meteorite-list]

There was a daytime bolide over the AZ/NM/Mexico area this morning (16 Oct 
2021) at 1323 UTC which may have generated a meteorite fall.  The American 
Meteor Society is reporting it here: 
https://fireball.amsmeteors.org/members/imo_view/event/2021/6611

At the time of this writing, the AMS is reporting a ground track just east of 
Tucson. This event shows up clearly on both the GOES East and West satellite 
data, in the Geostationary Lightning Mapper (GLM) imagery, but with a ground 
track that appears to be farther to the SE and in northern Mexico. 

NOAA weather radar imagery from the KEPZ radar (El Paso, TX) reveals a striking 
feature which appears near the location suggested by GLM and at the time 
reported by GLM and eyewitness accounts.  This feature is a rapidly-spreading 
circular feature centered on: 

107.9987°W 30.7232°N

This feature appears as an expanding circle at low altitude, moving at 30 mph 
outward in all directions following the time of the bolide.  This circular 
signature may be birds scared into flight by the sonic boom. This same bird 
feature is visible in radar data for the Monahans and Indian Butte meteorite 
falls. No falling meteorites are obvious, but the event occurred at long range 
from the radar and the weak radar signatures of falling meteorites may not 
appear.  

In summary, GLM, eyewitness, and weather radar data indicate that a meteorite 
fall may have occurred in Mexico near the coordinates listed above.  This site 
is populated and features a few farming communities, with the "El Chocolate" 
dry lake bed to its south.  Conditions should be good for recovery of 
meteorites.  Analysis of radar data will continue.

Cheers,
Marc Fries
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[meteorite-list] Washington SpaceX fall event

[Fries, Marc D. (JSC-XI211) via Meteorite-list]

I've posted some data on the Washington debris fall from last 26 March.  Radar 
signatures from this event persist for about two hours after the event, and 
some early-arriving signatures appear to be massive objects.  The strewn field 
lies along a line which covers most of the state and appears along a line which 
roughly connects Yakima and Spokane.

https://ares.jsc.nasa.gov/meteorite-falls/events/yakima-wa

Cheers,
Marc Fries
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Re: [meteorite-list] [EXTERNAL] Meteorite-list Digest, Vol 222, Issue 24

[Fries, Marc D. (JSC-XI211) via Meteorite-list]

AMS reports four significant fireballs over the weekend: 
https://amsmeteors.org/2021/03/four-fireballs-spotted-during-the-week-end/ 

I checked the three stateside events on NEXRAD radar and couldn't find anything 
convincing.  The Pennsylvania one does show up in GLM imagery, in the GOES-16 
satellite image at 04:20 UTC.  Radar tells the same story I've been left with 
many times, though - there's a few pixels here and there that might be 
something, but its not enough to tell a consistent story.  

I'll insert my usual caveat - a small meteorite fall may slip past the radars 
undetected.  There are a few examples, such as the New Orleans fall which was 
evidently a single stone.

Cheers,
Marc Fries 

-Original Message-
From: Meteorite-list  On Behalf Of 
meteorite-list-requ...@meteoritecentral.com
Sent: Monday, March 22, 2021 12:31 AM
To: meteorite-list@meteoritecentral.com
Subject: [EXTERNAL] Meteorite-list Digest, Vol 222, Issue 24

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Today's Topics:

   1. Meteorite Picture of the Day (valpar...@aol.com)
   2. Fireball on Eastern Cuba (yasmani.ceba...@nauta.cu)
   3. Fwd: For your entertainment - Bringing you Mars rocks
  (Kevin Kichinka)


--

Message: 1
Date: Sun, 21 Mar 2021 00:35:55 -0700
From: 
To: 
Subject: [meteorite-list] Meteorite Picture of the Day
Message-ID: <3AB1C5A8B76A456787046FA0A8F388ED@s10718094116>
Content-Type: text/plain

Today''s Meteorite Picture of the Day: NWA 8310

Contributed by: Paladino Vincenzino

https://gcc02.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.tucsonmeteorites.com%2Fmpodmain.asp%3FDD%3D03%2F21%2F2021data=04%7C01%7Cmarc.d.fries%40nasa.gov%7C22ce962df16242c8993b08d8ecf3cf77%7C7005d45845be48ae8140d43da96dd17b%7C0%7C0%7C637519879197351727%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000sdata=ygqneI7J4PV0dU7%2F4XKQ%2FQL8tk8Yx2B1zGxa2MwG58A%3Dreserved=0


--

Message: 2
Date: Sun, 21 Mar 2021 12:03:50 -0400
From: yasmani.ceba...@nauta.cu
To: meteorite-list@meteoritecentral.com
Subject: [meteorite-list] Fireball on Eastern Cuba
Message-ID:
<20210321120350.horde.zc2xhaqzgr9n5tp2vsfq...@webmail.nauta.cu>
Content-Type: text/plain; charset=utf-8; format=flowed; DelSp=Yes


Hello friends,
I imagine many of you must have seen the increase on facebook, twitter, etc. of 
several post including fake photos about a "meteorite on eastern Cuba". No 
meteorite has been recovered, it was just a fireball.
I have the data, but I need a fireball expert to help me better interpret the 
data to prepare an explanatory note. Please direct inbox, thanks!



--

Message: 3
Date: Sat, 20 Mar 2021 16:28:41 -0600
From: Kevin Kichinka 
To: meteorite-list@meteoritecentral.com
Subject: [meteorite-list] Fwd: For your entertainment - Bringing you
Mars rocks
Message-ID:

Content-Type: text/plain; charset="utf-8"

TeamMeteorite:

Perseverance on site. Super Hi-Def. Explanatory. I'll bet that you can't watch 
it just once (Good music, too.)  ?

 
https://gcc02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3DwxSOx2DoFN8data=04%7C01%7Cmarc.d.fries%40nasa.gov%7C22ce962df16242c8993b08d8ecf3cf77%7C7005d45845be48ae8140d43da96dd17b%7C0%7C0%7C637519879197351727%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000sdata=cUzvOvdCDlQhrRzGwYJvCSDe4MAU%2BikoYtUfOmav7CQ%3Dreserved=0

The Red Planet remains  N x NW of the Pleiades.

MARSROX
-- next part --
An HTML attachment was scrubbed...
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[meteorite-list] Vermont event

[Fries, Marc D. (JSC-XI211) via Meteorite-list]

Try as I might, I can't find radar signatures to go with the recent event in 
Vermont.  Has anyone had any luck with it?

Cheers,
Marc Fries
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[meteorite-list] Fun new paper on finding meteorites with drones

[Fries, Marc D. (JSC-XI211) via Meteorite-list]

Presumably of interest...

https://onlinelibrary.wiley.com/doi/pdf/10./maps.13593
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Re: [meteorite-list] [EXTERNAL] Re: Galactic Analytics content?

[Fries, Marc D. (JSC-XI211) via Meteorite-list]

Howdy all

  Thank you all for your feedback.  I've been talking with folks on 
various platforms today, and it seems I've found a good option.  There is a new 
meteorite-related, international, non-profit organization standing up soon.  
They've agreed to host GA-style information including images with free and open 
access.  What I'd like to do, if it's alright with y'all, is to host content on 
that platform and send links to the Met List.  That way y'all can share in the 
content, the information remains freely available, and this also solves the 
problem of how to share images (strewn fall calculations, images of radar 
signatures, etc.).
  This new organization is going to make its debut online in about 
a month and will have their own announcements - I don't want to steal their 
thunder by saying more than that now. It looks like this is going to work well.

  If any new falls occur between now and then, well I'm working on 
that.  I'll find a way to disseminate that information.

Cheers,
Marc

From: Swan Valley Bushcraft 
Sent: Monday, January 11, 2021 11:14 AM
To: Fries, Marc D. (JSC-XI211) 
Cc: meteorite-list@meteoritecentral.com
Subject: [EXTERNAL] Re: [meteorite-list] Galactic Analytics content?

Hello Marc

This Meteorite List has terms of service as well, and has removed individuals 
based upon their postings. It would be a shame if our precious meteorite list 
was dragged into an ideological debate as we have struggled to keep the List on 
topic in the past.

Even though this List is not a democracy, I vote no on your proposal as briefly 
described.

Announcements are fine, I believe, as long as they abide by the TOS, but an 
increased traffic flow is concerning if it deviates from the spirit and purpose 
of this List. Perhaps more clarification about your proposal is needed.

Best wishes

Martin

On Mon, Jan 11, 2021 at 10:01 AM Fries, Marc D. (JSC-XI211) via Meteorite-list 
mailto:meteorite-list@meteoritecentral.com>>
 wrote:
Howdy all

  For the past several years I've run Galactic Analytics on 
Facebook.  It has been a freely available forum to discuss meteors and 
meteorite falls, and a convenient site for me to disseminate radar data showing 
potential meteorite falls.  When I started this, Facebook was an open forum for 
all participants. Unfortunately, Facebook has recently enacted policies which 
restrict the uncensored flow of content between one end of the political 
spectrum in particular.  I cannot support censorship, as it is a form of 
oppression.  I have shut down Galactic Analytics (but will retain old content 
on Facebook for the time being) and am looking for a new, open venue to host 
content.
  Most of the options include starting up some new platform, which 
has the drawback of adding yet another source for interested parties to keep 
track of.  However it occurred to me that we can use this as an opportunity to 
consolidate sources.

  What would you all think if I were to start posting GA content on 
the Meteorite List?  When an event occurs I can post it here.  I will have to 
find a server to host images but that is do-able.  Be advised that it may 
increase MetList traffic by a sizable fraction.

  What do you think?

Cheers,
Marc Fries
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Ar

[meteorite-list] Galactic Analytics content?

[Fries, Marc D. (JSC-XI211) via Meteorite-list]

Howdy all

  For the past several years I've run Galactic Analytics on 
Facebook.  It has been a freely available forum to discuss meteors and 
meteorite falls, and a convenient site for me to disseminate radar data showing 
potential meteorite falls.  When I started this, Facebook was an open forum for 
all participants. Unfortunately, Facebook has recently enacted policies which 
restrict the uncensored flow of content between one end of the political 
spectrum in particular.  I cannot support censorship, as it is a form of 
oppression.  I have shut down Galactic Analytics (but will retain old content 
on Facebook for the time being) and am looking for a new, open venue to host 
content.
  Most of the options include starting up some new platform, which 
has the drawback of adding yet another source for interested parties to keep 
track of.  However it occurred to me that we can use this as an opportunity to 
consolidate sources.

  What would you all think if I were to start posting GA content on 
the Meteorite List?  When an event occurs I can post it here.  I will have to 
find a server to host images but that is do-able.  Be advised that it may 
increase MetList traffic by a sizable fraction.

  What do you think?

Cheers,
Marc Fries
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[meteorite-list] Daylight fireball, TX-OK 18 Apr 2017

[Fries, Marc D. (JSC-XI211) via Meteorite-list]

Howdy all

There is a recent event in the AMS logs for a ~1 PM fireball.  
This event seems to have passed directly over DFW headed NE.  It looks to me 
like the ground track was rather long, as reports from DFW spotted the fireball 
both SW and NE of DFW.

http://www.amsmeteors.org/members/imo_view/event/2017/1407

There is an interesting radar return in the KSRX (Fort Smith, 
AR) 18:12 UTC radar data, in the 2.4 degree sweep.  It is a very “bright” 
reflection for a meteorite fall (if that is what it is), with a strong 
turbulence signature and a “flat” spectral width* that are favorable for a 
meteorite fall interpretation.  This return lies exactly along the ground track 
ID’d by eyewitnesses, just SW of the town of Hugo, OK.  There are four other 
radar returns that might also be associated with this event, in that they line 
up along the AMS ground track.  I will post information on the Galactic 
Analytics page on Facebook, along with maps.

My read on this is – the KSRX return outside Hugo is consistent 
with the fall of a small number of relatively large objects, of sufficient size 
to generate a strong turbulent wake in their path.  I’m not sure about the 
other radar returns; they could just be random noise.

Cheers,
Marc Fries

*Spectral width is a measure of the range of object sizes in a given radar 
image pixel, and meteorite falls usually have low SW values of about the same 
value; or “flat” SW values.
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[meteorite-list] Request for assistance

[FRIES, MARC D. (JSC-XI211) via Meteorite-list]

Howdy ladies and gents

I am working with summer intern Colleen Laird from Case Western Reserve
U. to develop mathematical tools for quantifying meteorite falls from
radar data.  Colleen has made superb progress and we should soon be able
to offer estimates for the total mass that falls in any given meteorite
fall, the percent that is actually recovered, and possibly provide some
insight on the type of meteorite that falls from its radar behavior
(maybe!).  To do these things, we need to calculate the mass of meteorites
seen in previous meteorite falls, and to that we need accurate time stamps
for the fireball terminus (e.g. The point when a meteor goes dark).
Terminus altitudes are useful too, but we really need the times as
accurately as possible.

Of the meteorite falls Colleen is working on, we don¹t have an accurate
time stamp for the following ones.  Could I ask y¹all to dig into your
videos and notes for these events and look for terminus times?  We will
produce a paper and make it available, and should be able to estimate the
total mass reaching the ground for future meteorite falls.

Cheers,
Marc Fries



> We are missing accurate fireball end time information for:
>Indian Butte
>Elbert
>Osceola
>Cartersville
>Battle Mountain
>Kitchener
>Ash Creek
>Monahans
>Lorton
>Mifflin
>-- 
>Colleen Elizabeth Laird
>B.S. Geological Science
>Case Western Reserve University, 2018

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Re: [meteorite-list] Meteorite-list Digest, Vol 159, Issue 18

[FRIES, MARC D. (JSC-XI211) via Meteorite-list]

I can always tell when y¹all are up to something.  The list becomes
really, really quietŠ   Heheh.

Good luck,
Marc

On 5/18/16, 12:26 AM, "Meteorite-list on behalf of
meteorite-list-requ...@meteoritecentral.com"
 wrote:

>Send Meteorite-list mailing list submissions to
>   meteorite-list@meteoritecentral.com
>
>To subscribe or unsubscribe via the World Wide Web, visit
>   https://pairlist3.pair.net/mailman/listinfo/meteorite-list
>or, via email, send a message with subject or body 'help' to
>   meteorite-list-requ...@meteoritecentral.com
>
>You can reach the person managing the list at
>   meteorite-list-ow...@meteoritecentral.com
>
>When replying, please edit your Subject line so it is more specific
>than "Re: Contents of Meteorite-list digest..."
>
>
>Today's Topics:
>
>   1. Meteorite Picture of the Day (valpar...@aol.com)
>   2. O.R. Norton (+May 17, 2009) (Bernd V. Pauli)
>
>
>--
>
>Message: 1
>Date: Tue, 17 May 2016 00:00:11 -0700
>From: 
>To: 
>Subject: [meteorite-list] Meteorite Picture of the Day
>Message-ID: <088B23897EEF41E0ABDB8B0628522ABE@Seuthopolis>
>Content-Type: text/plain
>
>Today's Meteorite Picture of the Day: Mundrabilla
>
>Contributed by: John Divelbiss
>
>http://www.tucsonmeteorites.com/mpodmain.asp?DD=05/17/2016
>
>
>--
>
>Message: 2
>Date: Tue, 17 May 2016 09:32:12 +
>From: "Bernd V. Pauli" 
>To: meteorite-list@meteoritecentral.com
>Subject: [meteorite-list] O.R. Norton (+May 17, 2009)
>Message-ID: 
>Content-Type: text/plain; charset="iso-8859-1"
>
>He paved the way for so many of us!
>
>Bernd
>
>--
>
>NORTON O.R. (1998) Are chondrites sedimentary rocks?
>(M! Feb. 1998, Vol. 4, No. 3, pp. 22-23).
>
>NORTON O.R. (1998) Rocks From Space, 2nd edition.
>
>NORTON O.R. (1998) The Goose Lake Meteorite
>(M!, Feb. 99, Vol. 5, No. 1, pp. 30-32).
>
>NORTON O.R. (1999) Is Lawrencite a myth?
>(M!, May 1999, Vol. 5, No. 2, pp. 22-23).
>
>NORTON O.R. (2000) So NEAR yet so far
>(M!, Vol. 6,  No. 1, Feb 2000, pp. 22-24).
>
>NORTON O.R. (2000) Igneous clouds and chondrule rims
>(Meteorite, Nov 2000, Vol. 6, no.4, pp. 22-23).
>
>NORTON O.R. and TOFFOLI T. (2000) Chondrites - A novel way
>to photograph them (M!, Vol. 6, No. 1, Feb 2000, pp. 20-23).
>
>NORTON O.R. (2001) Centerpiece: Kapoeta - A Howardite Extra-
>ordinaire (Meteorite, May 2001, Vol. 7, No. 2, pp. 22-24).
>
>NORTON O.R. (2001) Ugly Ducklings of the desert (Meteorite
>Magazine, August 2001, Vol. 7, No. 3, pp. 22-23).
>
>NORTON O.R. (2002) The Cambridge Encyclopedia of Meteorites
>(Cambridge University Press, ISBN 0 521 62143 7, pp. 354).
>
>NORTON O.R. (2002) Beware the metal-rich imposter (Meteorite,
>February 2002, Vol. 8, No. 1, Centerpiece, pp. 22-23 + p. 39).
>
>NORTON O.R. et al. (2002) Basics of polarized light microscopy,
>part II (Meteorite, Centerpiece, Nov 2002, Vol. 8, No. 4, pp. 22-24).
>
>NORTON O.R. et al. (2003) Basalts of differentiated worlds
>(Meteorite, Centerpiece, May 2003, Vol. 9, No. 2, pp. 21-24).
>
>NORTON O.R. (2003) Petrographic Gallery of Meteorites(Meteorite
>Magazine, August 2003, Vol. 9, No. 3, pp. 21-24).
>
>NORTON O.R. (2008) Field Guide to Meteors and Meteorites(Patrick
>Moore's Practical Astronomy Series, ISBN 978-1-84800-156-5, 287 pp.).
>
>
>
>
>--
>
>Subject: Digest Footer
>
>___
>Visit our Facebook page:
>https://www.facebook.com/meteoritecentral
>and the Archives at http://www.meteorite-list-archives.com
>Meteorite-list mailing list
>Meteorite-list@meteoritecentral.com
>https://pairlist3.pair.net/mailman/listinfo/meteorite-list
>
>
>--
>
>End of Meteorite-list Digest, Vol 159, Issue 18
>***

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[meteorite-list] Salt Lake City fireball images?

[FRIES, MARC D. (JSC-XI211) via Meteorite-list]

Howdy all

Back on 18 Nov 2009 there was a huge bolide over Salt Lake City, UT:

https://www.youtube.com/watch?v=hJFejgd9bSE

The following morning, locals reported seeing high-altitude dust
lingering over the city.  At the time I figured it was a coincidence, but
in retrospect I think the dust very well may have been debris from the
fireball.  

Does anyone have any pictures of the dust?  I recall that one was passed
around a bit, but I can¹t find it now.  I¹d like to use the image in a
science presentation, and will (of course) give credit for the image to
the owner.

Cheers,
Marc Fries

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[meteorite-list] Utah meteor

[FRIES, MARC D. (JSC-XI211) via Meteorite-list]

Found the pic!  Dale Romero knew of it - turns out spaceweather.com ran it
as a Pic of the Day in November of 2009:

http://spaceweather.com/archive.php?view=1=19=11=2009


Thank you all for the replies!

Cheers,
Marc Fries

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