Windy Offers Air Sounding Forecast

  • Air sounding, sounding forecast or skew diagram is here! Yes, there are plenty of names for it. :)

    photo:;link:,28.213,3;desc: map with "Wind" overlay.;licence: cc;

    What does it even mean?

    Sounding describes a plot of the vertical profile of temperature, dew point and (mostly also) winds above a fixed location. Soundings are used extensively in severe weather forecasting, e.g., to determine instability, locate temperature inversions, measure the strength of the cap (capping inversion), obtain the convective temperature, CAPE (Convective Available Potential Energy), etc.

    Horizontal lines represent height in pressure coordinates (millibars or hPa); diagonal lines represent temperature. Heavy solid lines show the vertical profile of observed temperature (red) and dew point (blue). The grey line shows the temperature of a parcel of surface air and how its temperature would change if it was lifted. Source of information: Weather Online.

    Where do you find it on Windy and how does it work?

    • Desktop version: Just click with right mouse button anywhere on the map, and use the link in the context menu.
    • Mobile devices: A long tap on display will do!

    Above is a quick video tutorial.

    This feature was quickly but carefully developed by our zealous pilot & programmer @TZ who hopes you enjoy it!

    So far we only support the ecmwf model but other models should follow.

    Don't hesitate to give us your feedback!

    photo:;link:,28.213,3;desc: with "Sounding forecast" feature.;licence: cc;

  • Meteorologist

    SkewT is even more interesting than sounding forecast. Fortunately, there is a plug-in allowing us to use the SkewT.

    It would be good to be able to use sounding or SkewT with different models !

  • Author of windy-plugins-skewt here.

    So, the "sounding" feature is nothing new... even my plugin is getting a little old! (I'm very much overdue to update it). You have three choices for vertical model profiles: Windy's default sounding (which is NOT a SkewT), or windy-plugins-sounding (which is a SkewT), or windy-plugins-skewt. With windy-plugins-skewt, just select the desired model at the bottom right hand side of the screen.

    Let me know if there is anything you'd like to see in the next version.


  • Meteorologist

    Hello John,
    You did a great job with this plugin as I like to use the SkweT, much more than the the sounding ! I never realised that I could easily change the model. I read a post on this community, old post, where you explained if I remember well that SkewT was only available witht the IFS (ECMWF) model. Good to know that I can switch the model !!!
    Is it normal that every time I leave Windy, I have to go to the settings to re-open the plugin ? Once open, I can then chose the SkewT in the list, just below the sounding.

  • @Yves70 thanks! It's really good to know it's being used, much needed motivation to spend some time improving it (which I'll do when I can!) The README is actually just out of date, that's first on the list :)

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