Wind speed is incorrect almost everywhere is 0

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  • Updated 8 months ago
Wind speed is incorrect almost everywhere is 0 or a very low value.
It is the same on the Wunderground website.
Please fix it ASAP
Thank you
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WeatherVor

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Posted 1 year ago

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Chandler Concrete

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This still appears to be the case. Very low on current conditions, but the hourly forecast appears to be correct. Any updates on this?
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rawsonl

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I am looking for this data as well.  Is there any update?
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Brendan Hayes, Official Rep

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This could be from Personal Weather Stations that don't have a wind reading.  You can check the Station list at the bottom of the page for more stations, or use the Change Station to find other stations with a better wind reading
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GGnome

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In my area, the personal weather stations (PWS) that never submit wind speeds _often_ have a dashed circle around the temprature number.  But what if the anemometer has been damaged, or was installed under the eaves or next to a large tree?  I think then it reports a wind speed of zero or near zero to Wunderground, and Wunderground then dutifully reports that zero or near zero to us.  This is what we see in current conditions and weather history for a PWS.

From what I've seen on the site here, I think the forecasts are _mostly_ based on readings from "standard weather stations"  that were installed to meet the official meteorological standards.  So anemometer 10 m above the ground, thermometer at the official height, everything in a wide open area, and so on.

So if you're in a city of suburb, I'd look at the PWS in your area over a period of a couple of weeks.  Which ones always show the wrong wind speed?  Which ones are way out on the temperature?  And then go by the one that seems most accurate, even if it is not the closest.  

On the web page for each PWS you see, award icon, station name, About this PWS, and Report.  
- Look for stations that have a gold star medal icon.
- If a PWS is often wrong you could report it as inaccurate (especially if it has a gold star icon).  

Almost nobody has the space to create an official standard weather station installation, people just do the best they can.  Hopefully they keep the thermometer away from walls and roofs that reflect heat, and place the anemometer above nearby roofs and trees.

Generic PWS installation guides:
https://www.wunderground.com/weatherstation/installationguide.asp

And from the UK's weather office:
https://www.rmets.org/weather-and-climate/observing/guidelines-observing-0