theweatheroutlook

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Quantum
  • Quantum
  • Advanced Member Topic Starter
Friday, November 22, 2024 12:34:09 PM
I hadn't thought this through much before but it might make a difference so I thought I'd ask. Let's say you are looking at a 1h model output valid for 12Z, is the 1hour precip the total accumulated precip between 11Z and 12Z? And if it is, then shouldn't we compare the 12Z precip charts to the 11:30Z radar rather than the 12Z radar?
2024/2025 Snow days (approx 850hpa temp): Total: 2 days with snow/sleet falling
18/11 (-6), 19/11 (-6)
2023/2024 Snow days (approx 850hpa temp): Total: 8 days with snow/sleet falling
29/11 (-6), 30/11 (-6), 02/12 (-5), 03/12 (-5), 04/12 (-3), 16/01 (-3), 18/01 (-8), 08/02 (-5)
2022/2023 Snow days (approx 850hpa temp): Total: 7 days with snow/sleet falling.
18/12 (-1), 06/03 (-6), 08/03 (-8), 09/03 (-6), 10/03 (-8), 11/03 (-5), 14/03 (-6)
2021/2022 Snow days (approx 850hpa temp): Total: 12 days with snow/sleet falling.
26/11 (-5), 27/11 (-7), 28/11 (-6), 02/12 (-6), 06/01 (-5), 07/01 (-6), 06/02 (-5), 19/02 (-5), 24/02 (-7), 30/03 (-7), 31/03 (-8), 01/04 (-8)
Retron
Friday, November 22, 2024 12:52:10 PM

I hadn't thought this through much before but it might make a difference so I thought I'd ask. Let's say you are looking at a 1h model output valid for 12Z, is the 1hour precip the total accumulated precip between 11Z and 12Z? And if it is, then shouldn't we compare the 12Z precip charts to the 11:30Z radar rather than the 12Z radar?

Originally Posted by: Quantum 


In your example it'd be the the total in between 11 and 12z. And you should be comparing it against the 1-hour rainfall total rather than the static radar image.

(That's one of the reasons I pay for the NW radar, you can set it to show precipitation totals over 1 hour, 12 hours, 24 hours etc).
Leysdown, north Kent
Quantum
  • Quantum
  • Advanced Member Topic Starter
Friday, November 22, 2024 12:55:08 PM

In your example it'd be the the total in between 11 and 12z. And you should be comparing it against the 1-hour rainfall total rather than the static radar image.

(That's one of the reasons I pay for the NW radar, you can set it to show precipitation totals over 1 hour, 12 hours, 24 hours etc).

Originally Posted by: Retron 


http://starlingsroost.ddns.net/weather/uk.php 
They have a radar accumulation tool.
2024/2025 Snow days (approx 850hpa temp): Total: 2 days with snow/sleet falling
18/11 (-6), 19/11 (-6)
2023/2024 Snow days (approx 850hpa temp): Total: 8 days with snow/sleet falling
29/11 (-6), 30/11 (-6), 02/12 (-5), 03/12 (-5), 04/12 (-3), 16/01 (-3), 18/01 (-8), 08/02 (-5)
2022/2023 Snow days (approx 850hpa temp): Total: 7 days with snow/sleet falling.
18/12 (-1), 06/03 (-6), 08/03 (-8), 09/03 (-6), 10/03 (-8), 11/03 (-5), 14/03 (-6)
2021/2022 Snow days (approx 850hpa temp): Total: 12 days with snow/sleet falling.
26/11 (-5), 27/11 (-7), 28/11 (-6), 02/12 (-6), 06/01 (-5), 07/01 (-6), 06/02 (-5), 19/02 (-5), 24/02 (-7), 30/03 (-7), 31/03 (-8), 01/04 (-8)
Quantum
  • Quantum
  • Advanced Member Topic Starter
Friday, November 22, 2024 12:56:56 PM
http://starlingsroost.ddns.net/weather/int_radar/map.php 
Here's the specific page. They allow custom colorscales too.
Can't believe I never thought of doing this.
2024/2025 Snow days (approx 850hpa temp): Total: 2 days with snow/sleet falling
18/11 (-6), 19/11 (-6)
2023/2024 Snow days (approx 850hpa temp): Total: 8 days with snow/sleet falling
29/11 (-6), 30/11 (-6), 02/12 (-5), 03/12 (-5), 04/12 (-3), 16/01 (-3), 18/01 (-8), 08/02 (-5)
2022/2023 Snow days (approx 850hpa temp): Total: 7 days with snow/sleet falling.
18/12 (-1), 06/03 (-6), 08/03 (-8), 09/03 (-6), 10/03 (-8), 11/03 (-5), 14/03 (-6)
2021/2022 Snow days (approx 850hpa temp): Total: 12 days with snow/sleet falling.
26/11 (-5), 27/11 (-7), 28/11 (-6), 02/12 (-6), 06/01 (-5), 07/01 (-6), 06/02 (-5), 19/02 (-5), 24/02 (-7), 30/03 (-7), 31/03 (-8), 01/04 (-8)
Brian Gaze
Friday, November 22, 2024 1:38:12 PM
There is a free to access rain total API provided by the government IIRC.
Brian Gaze
Berkhamsted
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