Description of weather overlays
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There seems to be a certificate error in your blog when trying to view https://blog.windy.com/wind-accumulation on safari
here is the error
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@auweatherwatcher Hello, this URL is not in use anymore. This is our only blog and forum community.windy.com.
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@korina Good to know. Those links now just go back/redirect to windy main. Perhaps remove the links from the main post to avoid confusion. Unless there was some extra information that might be useful to know.
e.g just show
Wind accumulation: This overlay represents the maximum intensity projection of wind gusts over the next 10 days. Basically, each point on the map represents the strongest or maximum wind forecasted for that place in the next 10 days. This feature is especially helpful for tracking hurricanes and other strong wind events.
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@auweatherwatcher Hello, the certificate error should not happen again.
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@meridies Indeed, this is listed in the Description of Weather Overlays post, but maybe one detail could be clarified.
Waves is described as:
Waves: Significant wave height and its period of all wave types combined (swell and wind waves). Close to the shoreline, the actual height is influenced by the shape of the sea bottom.
It would be useful to know how the math used to combine "significant wave height and period its period" from wind and several different sources of swell. The resulting calculation could be very misleading and, in fact, an inspection of these values in Windy is confusing.
For example, as I inspect a point now, I see wind waves listed as 1.0 m, swell 1 at 0.6m and swell 2 at 0.7 m. But the total "wind" value provided in the annotation within the map is 1.2 m. How this is arrived at is unclear.
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@vschmidt
This thread may answer your first question:
https://community.windy.com/topic/3603/different-definitions-for-the-wave-periods-are-shown
And this article too:
https://confluence.ecmwf.int/plugins/servlet/mobile?contentId=131397261#content/view/131397261Concerning your example, what do you mean with ‘the total "wind" value’ ?
If you mean the Wave overlay, it corresponds effectively to the ‘total sea’:
https://community.windy.com/topic/17449/swell?_=1640701282822 -
Would it be possible to have these kind of information in an ad hoc page? Even better if it's shown as a detail when selecting an overlay.
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@luigitrevisi Hello, descriptions are already available on desktop and in the app under the "i" symbol.
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@korina Oh cool! I missed that part, thank you!
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setting temperature off in menu but not clearing. Location set and is marked, goes there when pressed from upper left button, but misadjusts so unknown way especially when pulling day states. Goes to an unselected location.
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@rodno Hello, what issue do you have exactly?
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@yves70 hi, just wanna ask when the weather symbol is cloudy or sunny cloudy but the forecast said that there are 4.2 mm of rain. How did it happen? please help me to understand it. thankyou
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@desianasw Hello, can you show an example please?
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I am wanting to know why it’s literally zero knts out but windy days it’s 14? I paid to have the hourly updates. Never using windy again. Useless
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@fooika1972 We are not able to analyze your complain without details. Please provide details about the location and observed issue.
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What does the blue arrow next to my location indicate. It revolves to different direction as I rotate my smartphone.
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@Peter-Bayfield
This blue arrow indicates nothing. Just forget it. -
@gjwolfswinkel said in Description of weather overlays:
The freezing altitude layer, how does that work? I am often looking at ski weather and on those sites, the current freezing altitude (frostgrenze in German, vorstgrens in Dutch) is at around 3800 meters. Yet the 'freezing level' layer shows values of 2500 to even 1900 meters for those locations, even though the current temperatures there are much higher.
Am I misinterpreting what the freezing altitude layer actually is or does? Or is the data faulty?The freezing altitude layer or the freezing level is a meteorological term that refers to the altitude in the atmosphere where the temperature is at or below freezing (0 degrees Celsius or 32 degrees Fahrenheit). The altitude at which the freezing level occurs can vary depending on the temperature profile of the atmosphere, and it can be affected by factors such as atmospheric pressure, humidity, and wind.
In the context of skiing weather reports, the freezing level or freezing altitude is an important parameter to consider because it determines whether precipitation will fall as snow or rain at different altitudes. If the freezing level is high, then precipitation will fall as rain at lower altitudes, which can result in unfavorable ski conditions. On the other hand, if the freezing level is low, then precipitation will fall as snow at lower altitudes, which is generally more desirable for skiing.
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How does weather overlay work?
As a weather overlay, the navigation chart, fishing chart, and perspective 3D view can all be layered on top of each other to display information related to weather and weather conditions. Depending on the chart, both the navigation chart and the fishing chart can be displayed with weather radar, cloud top heights, lightning, weather buoys, county warnings, and hurricane warnings.
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Is there any description or any more information on the Satellite overlay with BLUE, VIS, and IR lenses? Apologies if already asked.
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