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    Understanding the Compare Forecast Feature in Windy.com

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    • laurent corkL Offline
      laurent cork | Premium
      last edited by

      Hi All, sailing all year round in the mediterránea, I'm comparing both ECMWF and Arome. ECMWF for the short and mid range forecasts and Arome for short passage 12-24h with this more precise forecast model 1.3km but only 24-36h window and bearing in mind the specificities when closer to the coasts. I used to sail in Ireland too for many years and both forecast models seem to be the most reliable too.

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      • jldorcabJ Offline
        jldorcab @Korina | Premium
        last edited by

        Hi, @Korina

        My most used weather model in Canary Islands (NW Africa - Spain) is ECMWF.

        Best Wishes 😊🌤️

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        • eurybaricE Offline
          eurybaric | Premium
          last edited by

          East Med, I use ECMWF mostly. In springtime however all the models are less reliable, so I'm usually on the Compare Feature :)

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          • radwoodhavenR Offline
            radwoodhaven | Premium
            last edited by

            The ECMWF seems to be the most accurate for my locale, but having the ability to compare the different models gives me more overall confidence in any given forecast. and, they are just that - forecasts, not guarantees.

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            • Andreas87A Offline
              Andreas87 | Premium
              last edited by

              I mostly use ECMWF for kitesurfing/sailing, METEOBLUE for snowborading/trekking and GFS for motorcycling! :)

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              • V Offline
                vaklavd | Premium
                last edited by

                ECMWF for sailing in seas around Europe (Greece, Croatia, Baltics)

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                • Martyn B 2M Offline
                  Martyn B 2
                  last edited by Martyn B 2

                  I use ECMWF because it's very reliable, but i also use ICON-D2 when i need more input. ICON has high resolution which makes for a nice comparison between the two. Unfortunately, D2 only has a 1.5 day forecast.

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                  • lvrfrc87L Offline
                    lvrfrc87 | Premium
                    last edited by

                    It depends by the area: might be MBLUE more reliable than ECMWF or the other way around

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                    • M Offline
                      MattHyatt
                      last edited by

                      The most accurate model for me in Japan has been the ECMWF for daily weather and GFS for the movement of Tropical Systems.

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                      • S Offline
                        simon.tsai
                        last edited by

                        I usually use ECMWF models in Taiwan.

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                        • MarDre911M Offline
                          MarDre911 | Premium
                          last edited by

                          I use in northern Germany ECMWF.

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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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