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    Atmospheric Rivers

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    • javier.ferresJ
      javier.ferres | Premium
      last edited by

      Do we have a chart to visualize atmospheric rivers in windy?

      cucho

      mark.ingallsM 1 Reply Last reply Reply Quote 1
      • mark.ingallsM
        mark.ingalls Meteorologist @javier.ferres | Premium
        last edited by

        @javier-ferres Total precipitable water would be the perfect way to do this. Several of us have been asking for it for years, but it currently does not exist on Windy.

        1 Reply Last reply Reply Quote 5
        • prwurechP
          prwurech
          last edited by

          The ECMWF, UKW and GFS forecast models all show an elongated corridor pattern on the wind (see screenshot) and rain accumulation. Are these indications of a possible atmospheric river?
          b97e7674-c248-4b97-8e9b-815eea404f5a-{CC8FA99B-836F-47F6-B23A-DC02EEDCC164}.png

          idefix37I 1 Reply Last reply Reply Quote 1
          • idefix37I
            idefix37 Sailor Moderator @prwurech
            last edited by idefix37

            @prwurech
            Your wind map is at surface level, when atmospheric rivers are at higher levels in the atmosphere. I think it is a front as there is a big change of the wind direction.
            The Met Office seems to confirm my hypothesis.

            CD74B083-5F51-46FB-8BF1-8ACB29344671.jpeg

            It is confirmed in Windy by a rough change of airmass temperature at 850 hPa level.

            w/customized temperature color scale
            5EBA664D-BDFC-4FEF-9BB3-EB2AB90E15B4.jpeg

            You can check the temperature at this level in Winter (North Hemisphere) for warm and cold front only. In the hotter conditions, it would be necessary to look at Equivalent Potential Temperature at this level. But in Windy this parameter is not available.
            Is there an atmospheric river along this front ? I don’t know.

            1 Reply Last reply Reply Quote 3
            • javier.ferresJ
              javier.ferres | Premium
              last edited by

              Thank you guys..

              cucho

              1 Reply Last reply Reply Quote 0
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