OK, so I was using these terms without knowing them :)
poniedziałek, 4 września 2023 o 20:37:41 UTC+2 Greg Troxel napisał(a):
> Tomasz Lewicki writes:
>
> > abbreviations - SLP and ISA :)
>
> Sea Level Pressure
>
> https://en.wikipedia.org/wiki/International_Standard_Atmosphere
>
--
You
Tomasz Lewicki writes:
> abbreviations - SLP and ISA :)
Sea Level Pressure
https://en.wikipedia.org/wiki/International_Standard_Atmosphere
--
You received this message because you are subscribed to the Google Groups
"weewx-user" group.
To unsubscribe from this group and stop receiving
W dniu 3.09.2023 o 14:02, gszla...@gmail.com pisze:
No wonder the OP is confused.
In Europe, METARs generally don’t have SLP, they have QNH stated as a “Q
code” in the actual METAR report. An Altimeter /QNH reading of 1022
would be Q1022 in the METAR report.
So typically, QNH > QFF when
No wonder the OP is confused.
In Europe, METARs generally don’t have SLP, they have QNH stated as a “Q
code” in the actual METAR report. An Altimeter /QNH reading of 1022 would
be Q1022 in the METAR report.
So typically, QNH > QFF when current or average outside temps are greater
than the
Tomasz Lewicki writes:
> I'm back and starting my reply from Rainer's last question. Yes, I've
> read this topic:
> https://github.com/weewx/weewx/wiki/Barometer,-pressure,-and-altimeter
> on the very beginning. I use only 'pressure' and 'barometer' terms
> below, according to definitions from
Perhaps I can help as I own both an Ambient and Ecowitt weather station.
I recently did a major rewrite of an older Ecowitt barometer calibration
procedure and the new procedure should work with any Fine Offset
manufactured device with a barometric sensor.
Some basics regarding this
W dniu 31.08.2023 o 16:55, 'Rainer Lang' via weewx-user pisze:
to calibrate your WS-1001 (Ambient version of the FineOffset/EcowittWH24
outdoor array and the WH1080 console) you could just follow the
instructions in https://www.wxforum.net/index.php?topic=40730.0 chapter 6
determine the offset
Thank you for advice. I will follow the guide you pointed me to.
czwartek, 31 sierpnia 2023 o 16:55:41 UTC+2 Rainer Lang napisał(a):
> to calibrate your WS-1001 (Ambient version of the FineOffset/EcowittWH24
> outdoor array and the WH1080 console) you could just follow the
> instructions in
to calibrate your WS-1001 (Ambient version of the FineOffset/EcowittWH24
outdoor array and the WH1080 console) you could just follow the
instructions in https://www.wxforum.net/index.php?topic=40730.0 chapter 6
determine the offset and enter it accordingly (either an offest of
change the value,
Tomasz Lewicki writes:
> thank you both for thoughts and hints. Indeed, when I wrote "When
> calculated by Weewx itself ("software" option enabled in weewx.conf), my
> weather station shows 1001 hPa - still too low", I meant what Weewx
> calculates and show on my webpage, not on console's
Rainer, Greg,
thank you both for thoughts and hints. Indeed, when I wrote "When
calculated by Weewx itself ("software" option enabled in weewx.conf), my
weather station shows 1001 hPa - still too low", I meant what Weewx
calculates and show on my webpage, not on console's display - display is
from the wiki page I sent
For example, the FineOffset consoles can display either the station
pressure (called 'absolute' pressure) or the station pressure plus an
offset (called 'relative' pressure). T
So Fine Offset equipment just does pressure badly.
So get station pressure into weewx,
Tomasz Lewicki writes:
> I'm trying to sort out barometer and pressure values. I own HP1001 clone.
> Internal T/H/P sensor was calibrated with my friends certified barometer
> before. Currently it sensor shows absolute pressure value 936,7 hPa and it
> almost perfectly (+/- 1 hPa) aligns with
yes - why not calibrate your console first
when you see that the offset between absolute and relative pressure for
your location used is wrong, just adjust it
the the first basic step I'd say
even though, when your absolute (=local) pressure reading is correct,
and your have the weewx
I'm trying to sort out barometer and pressure values. I own HP1001 clone.
Internal T/H/P sensor was calibrated with my friends certified barometer
before. Currently it sensor shows absolute pressure value 936,7 hPa and it
almost perfectly (+/- 1 hPa) aligns with very accurate numerical forecast
Just upgraded and all is looking good.
CW8738>APRS,TCPXX*,qAX,CWOP-4:@051400z3949.85N/11938.56W_113/002g004t029r000p001P000b10185h85.weewx-4.3.0-Vantage
Thanks again!
On Tuesday, January 5, 2021 at 5:10:42 AM UTC-8 Brent Dowell wrote:
>
> Awesome. I'll go ahead and do an upgrade later
Awesome. I'll go ahead and do an upgrade later today. Thanks!
On Monday, January 4, 2021 at 11:30:53 PM UTC-8 gjr80 wrote:
> OK, found 4.0.0b9, yes indeed altimeter was before pressure. Plus when
> you look back at the initial log extract provided you can see the evidence:
>
> Jan 4 13:48:41
OK, found 4.0.0b9, yes indeed altimeter was before pressure. Plus when you
look back at the initial log extract provided you can see the evidence:
Jan 4 13:48:41 raspberrypi weewx[11987] INFO weewx.engine: Initializing
weewx version 4.0.0b9
Jan 4 13:48:41 raspberrypi weewx[11987] INFO
Ah, didn't notice that. the other thing is you appear to be running a late
beta of a version about four versions ago. Plus there has been quite a few
changes to StdWXCalculate over the last few releases. You may find that the
issue has been resolved (deliberately or unintentionally) in one of
The issue is that it's looping over the calculations in that order in the
wxservices.py source code, and not the order from the weewx.conf.
I had to edit the order in the wxservices.py code in order to get things to
work right.
I did add it as an issue in the github repository.
On Monday,
Yes, pressure needs to be listed before the other pressures, order matters
in this case. I thought of that but the wee_debug output you provided in
the other thread showed pressure was first so I did not bother. No matter,
I guess it's fixed now.
Gary
On Tuesday, 5 January 2021 at 13:38:15
Think I figured it out.
Calculating the altimeter depends on pressure being calculated, but the
list of calculations had pressure in alphabetical order.
I moved pressure in the calculations section before altimeter and my
problem appears to be solved.
wxservices.py line 46
[[Calculations]]
Think I figured it out.
Calculating the altimeter depends on pressure being calculated, but the
list of calculations had pressure in alphabetical order.
I moved pressure in the calculations section before altimeter and my
problem appears to be solved.
wxservices.py line 46
I'm thinking it has something to do with wxservices.py.
At around line 558, there's this code for calculating 'altimeter'. I do not
have a value for 'pressure' in the record. I have 'barometer', which I'm
assuming is '
Sensor Pressure' from reading some of the comments in the python code.
That's the string that restx.py is setting it to if the altimeter value is
None before it feeds it to CWOP.
I had been using some VERY old code prior to updating to run on the
raspberry pi, so I'm not surprised there is something broken.
Just debugging my way through the python till I figure
That b makes me think it's a string/byte python2 vs python 3 issue. I have
no evidence to back that up...
On Mon, Jan 4, 2021 at 4:57 PM Brent Dowell wrote:
> I apologize for the duplicate messages. This was the first one I posted,
> and tried to delete earlier. There's another post I made
I apologize for the duplicate messages. This was the first one I posted,
and tried to delete earlier. There's another post I made that has more
detailed info.
On Monday, January 4, 2021 at 4:56:28 PM UTC-8 Brent Dowell wrote:
> It's not uploading the barometric pressure.
>
>
>
It's not uploading the barometric pressure.
CW8738>APRS,TCPXX*,qAX,CWOP-4:@032150z3949.85N/11938.56W_315/009g014t050r000p000P000
*b.*h46.weewx-4.0.0b9-Vantage
Looking at the code, it's supposed to calculate the 'altimeter' value from
'barometer'. However it's not doing that. Altimeter
Everything looks normal to me. The log shows a post to CW8738:
Jan 4 13:50:18 raspberrypi weewx[11987] INFO weewx.restx: CWOP: Published
record 2021-01-04 13:50:00 PST (1609797000)
After that, you did a keyboard interrupt, but the log stops before the next
reporting cycle.
Taking a look at
A couple months ago I moved my weather station to run on a Raspberry pi,
and things have been running smoothly with the exception of the data that
gets uploaded to CWOP.
I upload data to cwop, wunderground, pwsweather, and my own weather site.
The only one missing the data is cwop.
I'm
A couple months ago I moved my weather station to run on a Raspberry pi,
and things have been running smoothly with the exception of the data that
gets uploaded to CWOP.
I upload data to cwop, wunderground, pwsweather, and my own weather site.
The only one missing the data is cwop.
I'm
there have been numerous threads over many years discussing the different types
of ‘pressure’ and what they mean.
very briefly, atmospheric pressure reduces with altitude, so there is a
standard altitude (sea level) for comparison purposes
> On 25 Sep 2020, at 5:49 pm, Tim Tuck wrote:
>
>
On 25/9/20 4:57 pm, Graham Eddy wrote:
pressure and barometer are present in weewx packet
Hi Graham,
Yes, I've just seen that myself. While a test of the driver shows it
returning the right pressure, its the*barometer_mbar* value that gets
displayed
If we run both MQTT and test the
pressure and barometer are present in weewx packet
> On 25 Sep 2020, at 4:21 pm, Tim Tuck wrote:
>
> Hi all,
>
> Continuing to debug my new server and I've just noticed that the barometer is
> showing 1004hPa even though the MQTT packet shows it to be 996.3.
>
> timt@metoffice:~$
My mistake on this one, Thomas.
I wasn't very clear as I was typing out the late night message from an ipad
without all the info in front of me.
Anyway, it appears I may have a firmware issue on the Envoy. I upgraded it
awhile back (September - same time as I updated Weewx) and it appears I
I think we're going to need more information. Specifically:
> I did notice a driver error when trying to force my Envoy to 0 / 700 using
> wee_device. (I saw a BAR=0 700) in the error.
>
Not sure what you mean by this. What is a "driver error?" And, I'm not
understanding your notation.
What's
Hello All -
Long time Weewx user running a Vantage Pro 2 (Envoy).
I upgraded to 3.9.2 back in September and just realized that I lost my Baro.
I’ve checked the StdConvert and StdQC settings (both set to US/inHg).
I did notice a driver error when trying to force my Envoy to 0 / 700 using
Hello !
I just setup a pressure sensor on my orange pi (with the plan to make it
work with weewx in the future).
My sensor is a MS5611, it reports absolute pressure, so some calculation
have to be done to get the barometer value.
I try to check if I can do it by myself or if I shall rely on
I have a OWFS station on Rpi going with temps, rain gauge, wind and
direction. I started work on this station several years ago and and the got
too busy with my day job.
In the mean time I implemented at Pete Bros. Ultimeter 2100 station which
was working fine until a recent power outage,
I recently installed weewx on my Raspberry Pi. I am missing the Barometer
readings
http://kk7x.duckdns.org/weewx
Acurite 1035 USB 4 Installed with Debian
Anyway to fix this issue?
Dennis
Dec 30 06:43:26 raspberrypi weewx[723]: acurite: Found station at bus=001
device=004
Dec 30 06:43:26
On weatherunderground I was getting 28.95 so I set the StdCalibrate to software
for pressure barometer and altimeter now on all the places I upload data I am
getting a -- or no pressure or no pressure readings at all. I assume I need to
set them back to prefered hardware. But what do I do to
41 matches
Mail list logo
