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    Meteo radar prediction for 90 minutes

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    • Eldenroot
      Eldenroot last edited by Eldenroot

      Would be great to have a feature to see prediction for meteo radar to have a chance to hide from storms/blizzard or protect property.

      CHMI offers this for "middle Europe", not sure about others...

      1 Reply Last reply Reply Quote 1
      • jmh2002
        jmh2002 Moderator Mariners - Seafarers Sailor last edited by

        Please see the following thread and @idefix37 's post there.

        https://community.windy.com/topic/6475/weather-radar/3

        @idefix37 said in Weather Radar !:

        @graham2941
        Weather radars provide images of instant rainfall. If you gather images during the last hour, it will give you a sort of video of the last rainfall during this hour.
        A weather radar can NEVER provide predictive images.
        Same as your camera can take pictures or video but never shows images of the future.
        Weather website or App showing so called « future radar » show an extrapolation of the last radar image applied during the next hour. If a new rain zone appears during this time you will not see it. However there are some high resolution weather models which are able to provide rainfall forecasts that look like a radar image. This not radar but just an avatar of radar.

        Eldenroot 1 Reply Last reply Reply Quote 1
        • Eldenroot
          Eldenroot @jmh2002 last edited by

          @jmh2002 OK, I understand but is there any possibility to add this prediction into Windy? Is there any free "extrapolation data?

          idefix37 1 Reply Last reply Reply Quote 0
          • idefix37
            idefix37 Sailor Moderator @Eldenroot last edited by idefix37

            @Eldenroot
            This type of prediction giving images « like » radar images needs to use very high resolution model (about 1km). It has been developed by some official weather offices but I doubt they are available and free.
            You mentioned CHMI works, but looking to their radar page I have not been able to see any prediction phase, just explanation. Could you give a link?
            Then if you think that Windy could show this type of radar-like prediction for all radars displayed on this site, you are dreaming. ECMWF or other models don’t offer the suitable resolution to make what is called « now casting »

            1 Reply Last reply Reply Quote 1
            • Eldenroot
              Eldenroot last edited by

              http://portal.chmi.cz/files/portal/docs/meteo/rad/inca-cz/short.html?display=var&gmap_zoom=7&prod=czrad_maxz_celdn&opa1=0.6&opa2=0.7&nselect=24&nselect_fct=6&di=1&rep=2&add=4&update=4&lat=50.008&lon=14.447&lang=CZ

              Herem they offer 60 minutes prediction.

              Thank you for your input, replies and feedback, it was just an idea :)

              idefix37 1 Reply Last reply Reply Quote 0
              • idefix37
                idefix37 Sailor Moderator @Eldenroot last edited by

                @Eldenroot
                OK right, I made a wrong calculation with UTC.
                As other example, this development made by Meteo Suisse (Switzerland) based on COSMO model 1 km

                https://www.meteoswiss.admin.ch/home.html?tab=rain

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