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Snow Observation Recording

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KF0KFL-13
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Snow Observation Recording

Post by KF0KFL-13 »

I would like to recommend a feature the would support inputting and viewing snow observations.
As a CWOP Snow Observer I input my snow observations manually. I would like to see a similiar option to input data into Cumulux MX that can be recorded and viewed or displayed
( https://madis-data.ncep.noaa.gov/sample_snow_form.html )

Unfortunately the information I submit to CWOP is not retrievable for viewing, I know the weather diary has snow input option but doesn't seem very functional.

If this feature is implemented, It would be nice to see the snowfall in the last 24 hours feed out to the wxnow.txt file as well. After looking over the APRS weather report format I see that is an option.

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Thanks in Advance!
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PaulMy
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Re: Snow Observation Recording

Post by PaulMy »

Hi,
I don't input snow to CWOP but do it to CoCoRaHS. I then also manually enter it in CMX Diary. Using DB Browser for SQLite I can open to view the data but haven't learnt how to extract it for charts, etc. so using a more usable friendly Excel http://www.komokaweather.com/weather/snowfall-log.pdf

I tried to use this script viewtopic.php?p=171408&hilit=snow+log#p171408 but couldn't make it work for me.

Enjoy,
Paul
Davis Vantage Pro2+
C1 www.komokaweather.com/komokaweather-ca
MX www .komokaweather.com/cumulusmxwll/index.htm
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HansR
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Re: Snow Observation Recording

Post by HansR »

I think i see some work for CUtils here ;)
Hans

https://meteo-wagenborgen.nl
CMX build 3278 ● Ecowitt GW1100/WS80/WH40 ● RPi 3B+ ● Raspberry OS 6.1.21 ● Mono 6.12.0.200
https://meteo-wagenborgen.nl/CMX4/NET8/ (beta)
CMX build 4003+ ● RPi 4B ● RPi OS 6.1.0-rpi7-rpi-v8 aarch64 ● dotnet 8.0.1
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PaulMy
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Re: Snow Observation Recording

Post by PaulMy »

I think i see some work for CUtils here ;)
:) :)
Davis Vantage Pro2+
C1 www.komokaweather.com/komokaweather-ca
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KF0KFL-13
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Re: Snow Observation Recording

Post by KF0KFL-13 »

HansR wrote: Sun 10 Dec 2023 7:13 pm I think i see some work for CUtils here ;)
What is CUtils?

- John
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HansR
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Re: Snow Observation Recording

Post by HansR »

KF0KFL-13 wrote: Sun 10 Dec 2023 8:47 pm
HansR wrote: Sun 10 Dec 2023 7:13 pm I think i see some work for CUtils here ;)
What is CUtils?

- John
A tool on top of CMX to generate a website or individual modules: viewtopic.php?t=17998
Hans

https://meteo-wagenborgen.nl
CMX build 3278 ● Ecowitt GW1100/WS80/WH40 ● RPi 3B+ ● Raspberry OS 6.1.21 ● Mono 6.12.0.200
https://meteo-wagenborgen.nl/CMX4/NET8/ (beta)
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Dador
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Re: Snow Observation Recording

Post by Dador »

I admit that it would be a nice option if Cutils drew snow charts based on e.g. the diary.db file
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Re: Snow Observation Recording

Post by HansR »

Dador wrote: Mon 11 Dec 2023 6:33 pm I admit that it would be a nice option if Cutils drew snow charts based on e.g. the diary.db file
I announce the winter module here, not sure what to graph or display but something will be shown. I don't know when though :lol: , can't take on major things until after the first week of januari.

And btw: teherr is no e.g.: it can only be on the basis of the diary as there is no other snow registration in CMX is there?
Hans

https://meteo-wagenborgen.nl
CMX build 3278 ● Ecowitt GW1100/WS80/WH40 ● RPi 3B+ ● Raspberry OS 6.1.21 ● Mono 6.12.0.200
https://meteo-wagenborgen.nl/CMX4/NET8/ (beta)
CMX build 4003+ ● RPi 4B ● RPi OS 6.1.0-rpi7-rpi-v8 aarch64 ● dotnet 8.0.1
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PaulMy
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Re: Snow Observation Recording

Post by PaulMy »

it can only be on the basis of the diary as there is no other snow registration in CMX is there?
Correct, and unfortunately the Diary DB only has this data that is carried forward from original Cumulus Weather Diary and Snow Index to show the EWSI Index:
1. Selected date:
2. Comments: {I enter such as "Some light rain during the day, with 1 cm snow overnight = 1.6 mm SWE (SnowWaterEquivalent after melting the snow)}
3. Snow Falling: Tick for Yes, or leave unticked for No {I use the 8:00 am to 8:00 am to indicate if it was snowing during this 24 hour period}
4. Snow Lying: Tick for Yes, or leave unticked for No {I use 8:00 am to indicate how much snow on the ground at that time - I enter in 0.5cm increment}
5. Snow Depth (cm): {I enter in 0.5 cm increment but CoCoRaHS asks for 0.1 and this is the accumulation of snowfall that has not yet melted}

Other than in comments there is no place to show how much NEW snow in the 8:00 to 8:00 24 hour period. And 'comments' is free entry so likely can't use it for charts. New snow measurement is quite important as that is the basis for total snow on the surface whereas "snow depth" would be the measurement of all snow but compacted over time, which will be less than the sum of all new snowfalls that is accumulated. For flood control it is important to know what content of moisture is on the frozen ground before spring thawing, so SWE provides that.
I suppose a user could use the Snow Depth for entering new snow during a day but that would then loose the total snow on the ground.

Just providing my personal experience in snowfall and measurement, and I know much of the world doesn't even have one snowfall day in a year..

Enjoy,
Paul
Davis Vantage Pro2+
C1 www.komokaweather.com/komokaweather-ca
MX www .komokaweather.com/cumulusmxwll/index.htm
MX www.komokaweather.com/cumulusmx/index.php
MX www.komokaweather.com/cumulusmx/index.html

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HansR
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Re: Snow Observation Recording

Post by HansR »

PaulMy wrote: Mon 11 Dec 2023 10:04 pm
it can only be on the basis of the diary as there is no other snow registration in CMX is there?
Correct, and unfortunately the Diary DB only has this data that is carried forward from original Cumulus Weather Diary and Snow Index to show the EWSI Index:
1. Selected date:
2. Comments: {I enter such as "Some light rain during the day, with 1 cm snow overnight = 1.6 mm SWE (SnowWaterEquivalent after melting the snow)}
3. Snow Falling: Tick for Yes, or leave unticked for No {I use the 8:00 am to 8:00 am to indicate if it was snowing during this 24 hour period}
4. Snow Lying: Tick for Yes, or leave unticked for No {I use 8:00 am to indicate how much snow on the ground at that time - I enter in 0.5cm increment}
5. Snow Depth (cm): {I enter in 0.5 cm increment but CoCoRaHS asks for 0.1 and this is the accumulation of snowfall that has not yet melted}

Other than in comments there is no place to show how much NEW snow in the 8:00 to 8:00 24 hour period. And 'comments' is free entry so likely can't use it for charts. New snow measurement is quite important as that is the basis for total snow on the surface whereas "snow depth" would be the measurement of all snow but compacted over time, which will be less than the sum of all new snowfalls that is accumulated. For flood control it is important to know what content of moisture is on the frozen ground before spring thawing, so SWE provides that.
I suppose a user could use the Snow Depth for entering new snow during a day but that would then loose the total snow on the ground.
Thanks for the specification :clap: I am in an area where thinking about snow is not really 'hot' as I can't remember having snow over here for more than a few days and a few centimeters.

If a user takes registration serious on a day by day basis, NEW SNOW could be the "Snow Depth" - "Snow Lying" if Snow Falling is ticked.
But I am not sure.
PaulMy wrote: Mon 11 Dec 2023 10:04 pm Just providing my personal experience in snowfall and measurement, and I know much of the world doesn't even have one snowfall day in a year..
Well, it will be a menu choice of course like so many modules. I understand that the stations in Spain would have less requirement although they do get snow and sometimes even a lot. But this registration is only useful in real snowy areas like yours.

Let's say I'll contact you - and possibly other volunteers - when I start working on this to get an idea about the first version of the 'Winter' module. For the southern hemisphere it would be similar but the winter months would be around june/july.
Hans

https://meteo-wagenborgen.nl
CMX build 3278 ● Ecowitt GW1100/WS80/WH40 ● RPi 3B+ ● Raspberry OS 6.1.21 ● Mono 6.12.0.200
https://meteo-wagenborgen.nl/CMX4/NET8/ (beta)
CMX build 4003+ ● RPi 4B ● RPi OS 6.1.0-rpi7-rpi-v8 aarch64 ● dotnet 8.0.1
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