Windy Community

    • Register
    • Login
    • Search
    • Unread
    • Categories
    • Groups
    • Go to windy.com

    windy-plugin-skewt – new features :)

    Windy Plugins
    6
    24
    3971
    Loading More Posts
    • Oldest to Newest
    • Newest to Oldest
    • Most Votes
    Reply
    • Reply as topic
    Log in to reply
    This topic has been deleted. Only users with topic management privileges can see it.
    • EduardoSG
      EduardoSG | Premium last edited by

      Nice plugin !

      It seems you have something wrong when calculating altitude related to pressure
      wind.png

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

        Hey @EduardoSG

        sorry if I'm being slow, but what's the issue?

        z = -H * log(P/Po)

        so 500 hPa should be around 7000 m, no?

        Gkikas LGPZ Yves70 2 Replies Last reply Reply Quote 0
        • Gkikas LGPZ
          Gkikas LGPZ Moderator @johnckealy last edited by

          @johnckealy
          500 hPa gph rarely observed higher than 6000m

          1 Reply Last reply Reply Quote 1
          • Yves70
            Yves70 Meteorologist @johnckealy | Premium last edited by

            @johnckealy
            John, 500hPa is about 5500m

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

              @Yves70 @Gkikas-LGPZ

              I just use the above equation in that calculation, it's just an estimate. Is there a better equation I can use? If not, suggestions on how to approach it? It's been a while since I did this stuff.

              Gkikas LGPZ 1 Reply Last reply Reply Quote 0
              • Gkikas LGPZ
                Gkikas LGPZ Moderator @johnckealy last edited by Gkikas LGPZ

                @johnckealy
                https://www.math24.net/barometric-formula
                Also see "example1"

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

                  There is also this NOAA online calculator with corresponding formula.

                  ¯\_(ツ)_/¯

                  1 Reply Last reply Reply Quote 2
                  • johnckealy
                    johnckealy last edited by

                    Okay, added a fix for that in v0.9.2 🌨️🌞

                    1 Reply Last reply Reply Quote 1
                    • EduardoSG
                      EduardoSG | Premium last edited by

                      Hi @johnckealy

                      I found what I think can be a bug.
                      When I change models, the sounding displayed changes differently depending from which previous model I am changing to.

                      In my region I have ECMWF - GFS and ICON, in that order from left to right
                      When I go from any of the first two to ICON, it seems to repeat on of the previous two soundings
                      When I go from ICON to any of the previous two, it shows a different sounding (the same if I go from ICON to GFS or from ICON to ECMWF)

                      In total there are three soundings, but it is not clear which one corresponds to which model because of this glitches

                      I atach two screenshots
                      GFS2.jpg GFS1.jpg

                      1 Reply Last reply Reply Quote 0
                      • johnckealy
                        johnckealy last edited by

                        @EduardoSG

                        Sorry about that, I thought I'd fixed this already. Thanks for reporting the bug. I've just written a fix (v0.9.3).

                        Let me know if you still see problems.

                        1 Reply Last reply Reply Quote 1
                        • First post
                          Last post
                        Windyty, S.E. - all rights reserved. Powered by excellent NodeBB
                        NodeBB & contributors, OSM & contributors, HERE maps
                        Terms and Conditions     Privacy Policy