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    Compare forecasts

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    • kkantoutsisK Offline
      kkantoutsis | Premium
      last edited by kkantoutsis

      Congratulations for the 15-day- forecasts of the two major models GFS and ECMWF.

      But in "compare forecasts", it still has only the 10-day ones.

      I suggest the name of "compare forecasts" to change to "all forecasts", in which you will be able to see simultaneously all the maximum-duration forecasts of all the models. Believe me, it is very helpful. And in any case, if a model in the future has 20-day forecast, again it should be visible in "all forecasts", ignoring that it will be the unique in the 16-20-day part. The "compare forecast" is just a subset of the "all forecasts", and the users can easily do with just their eyes the comparison of some models in the common parts. Or for example, if you are interested in the forecast for a trip after 15-16 days, you want to see the two models for the 15 day and simultaneously the unique model for the 16 day.

      Are there any plans by the developers?

      idefix37I 1 Reply Last reply Reply Quote 0
      • idefix37I Offline
        idefix37 Sailor Moderator @kkantoutsis
        last edited by idefix37

        @kkantoutsis

        The reliability of weather forecasts beyond 5 or 8 days becomes very low at a local scale.
        Certainly for someone who analyzes the evolution of air masses aloft, 10 to 15 day time frames can be interesting when considering the map synopsis.
        But at a location, at ground level, given the additional inaccuracies introduced by the boundary layer, by the coarse orographic model, by the chaotic aspect of the atmospheric processes, we cannot really expect acceptable precision at these time frames.
        So if you add 5 days to the Compare table, I am not sure it will be a large benefit.

        kkantoutsisK 1 Reply Last reply Reply Quote 1
        • kkantoutsisK Offline
          kkantoutsis @idefix37 | Premium
          last edited by kkantoutsis

          @idefix37

          So what is the meaning of this:

          ########################

          Level Up with Version 44: Satellite forecast, MTG Satellite, 15-day forecast and more!

          Windy.com version 44 has arrived, bringing powerful features designed to enhance forecasting accuracy, improve usability, and offer even more tools for weather enthusiasts and professionals alike.

          Here's a detailed overview of what’s new:

          15-Day Forecast for ECMWF and GFS Models
          The ECMWF (European Centre for Medium-Range Weather Forecasts) model has been enhanced to deliver more detailed and accurate 15-day forecasts. Additionally, the Global Forecast System (GFS) model also provides 15-day forecasts. The prolonged forecast is now visible to Premium users on both the map and forecast detail.

          ########################

          If it is as you say, all the 15-Day forecast new mode of ECMWF and GFS in 44 version is useless.

          Simply said, I don't understand why to see 15 days in each model's mode, and only 10 days in compare forecasts mode. Either the first one is completely useless or indeed adding 5 more days in compare forecasts mode for GFS and ECMWF would be useful. Or really, I miss something and apologies in advance.

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

            @kkantoutsis
            From a logical point of view, you are right.

            1 Reply Last reply Reply Quote 1
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