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    Understanding the Compare Forecast Feature in Windy.com

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    • sbikerS Offline
      sbiker | Premium
      last edited by

      I mostly compare ECMWF,, ICON and GFS and take "average" of forecast. Overall GFS seems to give more extreme numbers (max/min temperatures, precipitations etc.). From the point of view of the resulting success, it is different, and comparing forecasts is therefore a perfect opportunity to get a more accurate idea for the given moment. Mostly used location - Czech republic, Přerov,. Thanks for your work! Pavel

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      • Oliver WielandO Offline
        Oliver Wieland
        last edited by

        In the Med, I use a combination of ECMWF and ICON-EU

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        • DokkerD Offline
          Dokker | Premium
          last edited by Dokker

          I prefer ECMWF and Meteoblue as well, but ICON-EU can be a good choice too. There are 4 models available in our region.

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          • G Offline
            Growltiger @Korina | Premium
            last edited by

            @Korina We use the NAM model for exact severe WX impacts in middle USA. NAM is forecasting those saddened popup storms..hail..correctly for Denver USA. for off shore Wx..the GFS is good for the CARIBBEAN.

            joan

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            • WindyBastiW Offline
              WindyBasti | Premium
              last edited by

              I'm using ICON-EU.

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              • EvenStephenE Offline
                EvenStephen | Premium
                last edited by

                The answer is it's a tie! ECMWF gives me a general idea of what to expect the furthest in advance. On the day of activity, I used to rely on NAM for a more precise, localized prediction, but lately HRRR often seems to be the winner of the two. I often compare all three to look for consensus, much as your article described. GFS is typically very inaccurate for me and I haven't figured out how to incorporate ICON yet. I live in Florida, USA. Windy is the best, thank you!

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                • ianplumleeI Offline
                  ianplumlee | Premium
                  last edited by ianplumlee

                  ECMWF is my preferred model. It is consistently the most accurate on the wind farms where I work across the United States. I also like the fact that it offers the ability to view wind forecast for different altitudes. It's a great option for assessing the future forecast and it works well when compared to NAM to get a short-term view of the weather.

                  Seek not perfection, for the very nature of "perfect" is quite antithetical to the essense of being human.

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                  • J Offline
                    Jonathan Finen | Premium
                    last edited by

                    I use the wind and radar models in conjunction with each other the most. Windy is the best, hands down, weather app/website I have encountered. I use it for work and personal life daily.

                    chillippC 1 Reply Last reply Reply Quote 0
                    • hlaurentH Offline
                      hlaurent | Premium
                      last edited by

                      In France, I mostly use Arôme for short term forecast and ECMWF or GFS for longer dated ones.

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                      • H Offline
                        hamhandle | Premium
                        last edited by

                        I use ECMWF the most. It great for synoptic scale forecasting. I use it worldwide.
                        If i'm forecasting in the USA, I really like HRRR. It's awesome that windy incorporates it!

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                        • mihai7221M Offline
                          mihai7221
                          last edited by

                          I'm using METEOBLUE as I find it the most accurate for my area.

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                          • S Offline
                            sebastianojones @Korina | Premium
                            last edited by

                            @Korina Have used ECMWF (in New England) generally but trying out HRRR more often and love the new compare forecast feature.

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                            • getagrpG Offline
                              getagrp | Premium
                              last edited by

                              ECMWF is the model i like most. I find it most reliable forecasting snow fall accumulations during winter.

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                              • TheGreenSunT Offline
                                TheGreenSun | Premium
                                last edited by

                                ICON-EU I think is very often the more accurate in my region Voula, Attika, Greece

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                                • Phnx BarnettP Offline
                                  Phnx Barnett @Korina
                                  last edited by

                                  @Korina im still learning, so far ECMWF is the one i prefer

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                                  • Y Offline
                                    youricast
                                    last edited by

                                    @Korina I'm ECMWF

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                                    • N Offline
                                      noamber | Premium
                                      last edited by

                                      ECMWF is my default choice

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                                      • T Offline
                                        trdollar
                                        last edited by

                                        I tend to use the ECMWF (I think that's the "European" model). It seems most accurate, though likely needs some additional guidance, as it would shift somewhat significantly every few hours during more active weather periods. It also tends to forecast lower temperatures often.

                                        Some of the other models can be very ambitious in their forecasting (much greater deviations in temperature, precipitation totals, etc. I am thinking about NAM this past winter (November through March for me), specifically the rainfall amounts it would predict for 1-2 days being an 2.5cm or more than all other models.

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                                        • Arg0nautaA Offline
                                          Arg0nauta | Premium
                                          last edited by

                                          ECMWF for weather tendency and ICON-D2 a few days before my flights in Southern Germany ;-)

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                                          • GnubbelG Offline
                                            Gnubbel
                                            last edited by

                                            Here in northern Germany I use ECMWF. All models have problems in predicting the influence of cities (e.g. Hamburg) on the course and effects of storm or severe weather fronts when there are south-westerly winds. We often have hardly any rain or thunderstorms near Kiel. The thunderstorms split over Hamburg / Neumünster to the north or east. No model seems to predict this correctly.

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