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    Description of weather overlays

    Frequently Asked Questions
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    • idefix37
      idefix37 Sailor Moderator @TZ last edited by

      @tz
      Hi,
      Today there is no similar strange track. I have checked one or two tracks in the North Atlantic. They seem to correspond correctly to the max. gusts predicted in the same area once during the 10 days.
      A suggestion: sometime the track is due to a strong wind at day 8 or 9. For people it will be difficult to understand why they see this storm track if the strong winds are forecasted at near the end of the 10 days.
      So, instead to show the wind speed in the picker, may be it would be better to show the date when the max. gust is expected ?

      TZ sm5569 2 Replies Last reply Reply Quote 1
      • TZ
        TZ Administrator @idefix37 last edited by

        @idefix37 We will consider it, but for our user interface it would be better to add 3/5/10 range selector like in rain accumulation.

        Gkikas LGPZ 1 Reply Last reply Reply Quote 2
        • Gkikas LGPZ
          Gkikas LGPZ Moderator @TZ last edited by Gkikas LGPZ

          @tz
          Totally agree!
          I suggest "wind accumulation" to include only 3 and 5 days range.
          Inaccuracies beyond day 5, are big.
          Even NHC, tracks hurricanes up to day 5.

          1 Reply Last reply Reply Quote 0
          • A
            alive Oran @TZ last edited by

            @tz sagte in [Beschreibung von Wetter-Overlays] (/ post / 7549):> @IgorXXXmirror Hallo, 100m Schicht oben Modell Gelände.

            1 Reply Last reply Reply Quote 0
            • edneff
              edneff @sonnigekerstin | Premium last edited by

              @sonnigekerstin I would like to know how to decode the cloud symbols on the meteogram. Most are obvious, however some less so. For example, the four stacked horizontal gray horizontal lines? thanks

              idefix37 1 Reply Last reply Reply Quote 5
              • idefix37
                idefix37 Sailor Moderator @edneff last edited by idefix37

                @edneff
                These lines correspond to altitude levels. They allow to know the altitude of the clouds shown on the Meteogram.

                0_1544470068774_A7488F1C-2A99-4CA1-ADCB-5D465CB52268.jpeg

                • 700h means 700hPa. This altitude is expressed as atmospheric pressure level.

                • 3km is the altitude in metric

                • FL100 is used by aviation as flight level. FL100 correspond to 10000ft level.

                1 Reply Last reply Reply Quote 2
                • sm5569
                  sm5569 @idefix37 last edited by

                  @idefix37 said in Description of weather overlays:

                  @tz
                  Hi,
                  Today there is no similar strange track. I have checked one or two tracks in the North Atlantic. They seem to correspond correctly to the max. gusts predicted in the same area once during the 10 days.
                  A suggestion: sometime the track is due to a strong wind at day 8 or 9. For people it will be difficult to understand why they see this storm track if the strong winds are forecasted at near the end of the 10 days.
                  So, instead to show the wind speed in the picker, may be it would be better to show the date when the max. gust is expected ?

                  1 Reply Last reply Reply Quote 1
                  • S
                    shrawan0825 @ivo last edited by

                    @ivo I am new user of your application . I want to know how to use this application and how to understand the sign. Because I am non technical person.
                    And also I want to tell you that radar function is not working india

                    Gkikas LGPZ 1 Reply Last reply Reply Quote 1
                    • Gkikas LGPZ
                      Gkikas LGPZ Moderator @shrawan0825 last edited by

                      @shrawan0825
                      Please read
                      https://community.windy.com/topic/3361/description-of-weather-overlays

                      1 Reply Last reply Reply Quote 0
                      • E
                        ekdyer last edited by

                        The ECMWF CAPE and thunderstorm layers are very different - e.g. massively high CAPE over parts of the UK but not much in the rain/thunder or thunderstorms layers. Does anyone know why these are so different? What goes into the the thunderstorm layer?

                        Thanks

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

                          @ekdyer
                          CAPE is a measure of instability.
                          However, instablility on it's own is not enough to ensure thunderstorms.
                          There needs to be a lifting factor due to orography or frontal activity.
                          Check for other hints such as high humidity and a forecast of showers in the area.
                          https://openskiron.org/en/understanding-thunderstorm-indicators

                          For further reading: http://www.estofex.org/guide/

                          For ECMWF lightning forecast ... https://community.windy.com/topic/8612/what-parameter-is-chosen-for-lightning-forecast/2

                          1 Reply Last reply Reply Quote 0
                          • A
                            ambnmwm last edited by

                            The rain accumulation..that's in inches correct??Not feet* I'm in Louisiana following Barry

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

                              @ambnmwm
                              Yes Rain accumulation is in inches, even if you read 3ft on right hand of the scale.

                              1 Reply Last reply Reply Quote 0
                              • A
                                alip @ivo last edited by

                                @ivo what are the meanings and descriptions of meteorological icons used ın meteograms for example which icon is "PARTLY CLOUDY" and the other icons?

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

                                  @alip
                                  f529770f-2ff3-4e37-b3d5-49463cb170de-εικόνα.png

                                  A 1 Reply Last reply Reply Quote 0
                                  • A
                                    alip last edited by

                                    Thank you very much:)

                                    1 Reply Last reply Reply Quote 1
                                    • A
                                      alip @Gkikas LGPZ last edited by

                                      @Gkikas-LGPZ thank you:) in addition what are the percantage of clouds in partly clouds and mostly clouds and In Turkey we use "less cloudy"icon in forecast this less cloudy icon is includes in windy pages because ı did not see less cloudy icon

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

                                        @alip
                                        I supose partly cloudy is up to 50% (1~4/8).
                                        For more details you can use the picker.
                                        593c8465-6f2a-4043-a5eb-ea5dbb1a4906-εικόνα.png

                                        A 1 Reply Last reply Reply Quote 1
                                        • A
                                          alip @Gkikas LGPZ last edited by

                                          @Gkikas-LGPZ thank i have one more question whick kind of icons are heavy light showers or heavy thundery or light rain for example in Turkey there are light rain and light showery icons in forecasts

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

                                            @alip
                                            f443baeb-68d2-4152-ad5c-f39b619a1d5e-εικόνα.png

                                            A 1 Reply Last reply Reply Quote 2
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