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    Average weather forcast

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    • M Offline
      Matuko
      last edited by Matuko

      You have the "compare weather" option which is really nice, but it would be nice if you could calculate an average and display it at the bottom of the compare tab. At least with temperature and wind speed it would be nice, even if not doing an average for actual weather forecast, the temp and wind would be nice.

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      • TheRadarGuyT Offline
        TheRadarGuy Moderator
        last edited by

        @Matuko Of course, it wouldn't take long for you to calculate it yourself. For example: add up all the temperature forecast numbers from all the available models for one timeframe. Then divide that number by how many weather models are in the comparison chart, and there you go. An average forecast number that takes literally less than 30 seconds.

        Hope this helps

        Gkikas LGPZG 1 Reply Last reply Reply Quote 2
        • Gkikas LGPZG Offline
          Gkikas LGPZ Moderator Meteorologist @TheRadarGuy
          last edited by

          @Matuko
          @theradarguy
          The "average" temperature (or wind, or rainfall)
          (as it comes from the addition of values of different models
          divided by the number of wx. models),
          is not necessarily more accurate than the temp. given by a single model.

          For short range forecast, we (meteorologist) preffer to compare
          real-time observations with model data
          to determine which model is "on track" with the real situation
          ("Model of the Day" approach).

          For medium range forecast,
          combination of information from different models
          (or different runs of the same model)
          is a good approaching method.

          1 Reply Last reply Reply Quote 2
          • Y Offline
            Yelspa | Premium
            last edited by

            I think this would be a useful feature for 3d+ forecasts, either a simple arithmetic mean or perhaps a more sophisticated average, or possibly a max or min. I use wind forecasts a lot for planning work with cranes where there's a limit of ~10m/s for most operations. Trying to plan 5days in advance, it would be v. useful having some measure to gauge likelihood of cancellation against. Trying to do arithmetic means long hand over a week's worth of forecasts every day would be v. time consuming; currently we just compare go on gut feeling. I think @Matuko has a good idea.

            idefix37I 1 Reply Last reply Reply Quote 0
            • idefix37I Online
              idefix37 Sailor Moderator @Yelspa
              last edited by

              @Yelspa
              Your reasoning is strange to me. I have no crane driving skills. But it seems that if you consider the average wind speed over 5 days, it will not ensure that for part of a day you will not have a wind forecast higher than 10m/s. I would prefer to set an alert for this wind limit in the Alert setting. You would be warned several days in advance of a risk of strong wind.

              330A5B4C-DFD7-4850-B228-312EB8E70C41.jpeg

              Gkikas LGPZG 1 Reply Last reply Reply Quote 0
              • Gkikas LGPZG Offline
                Gkikas LGPZ Moderator Meteorologist @idefix37
                last edited by Gkikas LGPZ

                @idefix37
                .... and can put an wireless anemometer on top of the crane like in sailboats!
                1000011250.jpg

                idefix37I 1 Reply Last reply Reply Quote 1
                • idefix37I Online
                  idefix37 Sailor Moderator @Gkikas LGPZ
                  last edited by idefix37

                  @Gkikas-LGPZ
                  This is the best for wind strength observation, but not for planning the jobs.

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