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    Understating temperature

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    • M
      MarkGrech | Premium
      last edited by

      I have noted that in my location (Malta - mid Mediterranean) the daily highest temperature is consistently being understated by at 3 - 4 degrees Celsius. Actual temperature today (for example) is 34 degrees and it's 31 degrees on Windy app

      KorinaK idefix37I 2 Replies Last reply Reply Quote 0
      • KorinaK
        Korina @MarkGrech
        last edited by

        @markgrech Hello, have you tried other models to compare the result? Windy visualizes forecast data not real-time values.

        Korina

        M 1 Reply Last reply Reply Quote 1
        • idefix37I
          idefix37 Sailor Moderator @MarkGrech
          last edited by idefix37

          @markgrech
          Malta is not a big island. The resolution of the ECMWF model is 9km which is about the width of your island. Temperature, or other parameters, shown on Windy are thus interpolated between grid points separated by 9km distance. So there is chance that one of two grid points are above the sea, where the maximum daily temperature is cooler.

          EF55BCB1-3553-4291-BBA9-73FE2DC8F35F.jpeg

          The Observation vs forecast tool shows that the default model is not the best for your location. ICON-EU and METEOBLUE models are much better for temperature prediction in Malta. They have a better resolution.

          536B3E93-4739-47CB-9744-168F44553F4E.jpeg

          1 Reply Last reply Reply Quote 2
          • M
            MarkGrech @Korina | Premium
            last edited by

            @korina Comparing to the Malta International Airport (MIA) 6-day highest temperature forecast, right now:
            Saturday: MIA - 34, Windy - 30
            Sunday: MIA - 33, Windy - 28
            Monday: MIA - 33, Windy - 29
            Tuesday: MIA 33 - Windy - 30;
            Wednesday: MIA - 31, Windy - 29;
            Thursday: MIA - 30, Windy - 29

            From my experience the actual values are always closer to the MIA forecast.

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

              Screenshot_20210710-002750_Windy.jpg

              1 Reply Last reply Reply Quote 2
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