Hi,
sometimes I have a wind-gust-spike in cumulus, it ist a wrong read from the station.
The spike in wind-gust is approximately 100km/h, but the maximal real gust on this day is just 40km/h.
In the last 6 years I have never had this problem, the problem first appeared last month.
Someone has an idea where this error comes from?
And can someone tell me how to get rid of this spike?
I edited the wrong value in all files but in the wind-gust-graph, the error remains displayed.
from which file the graphic gets this value?
Many thanks for help.
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Latest Cumulus MX V3 release 3.28.6 (build 3283) - 21 March 2024
Cumulus MX V4 beta test release 4.0.0 (build 4019) - 03 April 2024
Legacy Cumulus 1 release 1.9.4 (build 1099) - 28 November 2014
(a patch is available for 1.9.4 build 1099 that extends the date range of drop-down menus to 2030)
Download the Software (Cumulus MX / Cumulus 1 and other related items) from the Wiki
Problems with Wind-Gust-Spike
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- Weather Station: wh1080
- Operating System: windows7
- Location: south-west-germany
Problems with Wind-Gust-Spike
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- steve
- Cumulus Author
- Posts: 26701
- Joined: Mon 02 Jun 2008 6:49 pm
- Weather Station: None
- Operating System: None
- Location: Vienne, France
- Contact:
Re: Problems with Wind-Gust-Spike
It loads the values for the graphs at start up from the monthly log file (I think this is in the FAQ).
Are you not using a spike removal setting?
Are you not using a spike removal setting?
Steve
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- Posts: 123
- Joined: Sun 06 Apr 2014 1:15 pm
- Weather Station: wh1080
- Operating System: windows7
- Location: south-west-germany
Re: Problems with Wind-Gust-Spike
Hi Steve,
I forgot to edit this monthly-log file.
I use a spike-removel setting, but I think it is the wrong value in the setting, I use 20ms spike-removal in wind-gust.
What value should I use for wind-gust-spike-removal?
Many thanks.
I forgot to edit this monthly-log file.
I use a spike-removel setting, but I think it is the wrong value in the setting, I use 20ms spike-removal in wind-gust.
What value should I use for wind-gust-spike-removal?
Many thanks.
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- Operating System: rPi 3B+ with Buster (full)
Re: Problems with Wind-Gust-Spike
I guess that is a reasonable figure for you to use, note that spike removal applies while Cumulus is running, not to catch-up readings from the station's logger. So a possible explanation is that you had Cumulus stopped at the time when the spike happened within your weather station (and that figure was read into Cumulus without a check against the spike threshold you have selected) when you next started Cumulus.wetterfrosch1971 wrote: I use 20m/s spike-removal in wind-gust
Cumulus produces a diagnostic output that can be checked to prove/disprove my theory.
As I said once before, my fine-offset produces a stupid figure in some parameter approximately once a year, so it is an annoying although reasonably rare feature of the make.
- steve
- Cumulus Author
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- Joined: Mon 02 Jun 2008 6:49 pm
- Weather Station: None
- Operating System: None
- Location: Vienne, France
- Contact:
Re: Problems with Wind-Gust-Spike
Your spike was lower than your setting, 20 m/s is 72 kph and it looks like your spike is a jump of about 70 kph or less. You believe that is an invalid reading, so the conclusion is that your setting is too high.
Steve
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- Posts: 123
- Joined: Sun 06 Apr 2014 1:15 pm
- Weather Station: wh1080
- Operating System: windows7
- Location: south-west-germany
Re: Problems with Wind-Gust-Spike
Hi,
cumulus was not stopped.
Where can I finde the "diagnostic Output"?
In the logger from the console, is this wrong value does not exist.
@Steve
wich settings for gust-spike removal is useful?
cumulus was not stopped.
Where can I finde the "diagnostic Output"?
In the logger from the console, is this wrong value does not exist.
@Steve
wich settings for gust-spike removal is useful?
- steve
- Cumulus Author
- Posts: 26701
- Joined: Mon 02 Jun 2008 6:49 pm
- Weather Station: None
- Operating System: None
- Location: Vienne, France
- Contact:
Re: Problems with Wind-Gust-Spike
You could try 15 m/s or a little less, and see if you still get spikes.
Steve