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    NBM - National Blend of Models

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    • Wheats
      Wheats last edited by

      Just wondering if you are looking into ingesting the NBM in the future. Not sure exactly which models are being blended - I assume those involved with the United States.
      Here is a link to info:
      https://www.weather.gov/mdl/nbm_home

      idefix37 1 Reply Last reply Reply Quote 0
      • idefix37
        idefix37 Sailor Moderator @Wheats last edited by idefix37

        @Wheats
        Is it similar to these blended models?
        https://community.windy.com/topic/9903/add-ndfs-noaa-model-to-list-of-models-in-windy

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        • Wheats
          Wheats last edited by

          @idefix37
          I noticed you linked this site in that other thread - they have info on the NBM as well
          https://luckgrib.com/blog/2018/10/28/nbm-v31.html

          idefix37 1 Reply Last reply Reply Quote 0
          • idefix37
            idefix37 Sailor Moderator @Wheats last edited by idefix37

            @Wheats
            Yes I was just wondering what is the difference between NDFD and NMB

            Wheats 1 Reply Last reply Reply Quote 0
            • Wheats
              Wheats @idefix37 last edited by Wheats

              @idefix37

              " NBM Conus
              A brief comparison of the NBM Conus domain to the NDFD Conus domain is useful. Where the NDFD Conus data is restricted only to the USA, the NBM data covers the entire grid, including the portions of Canada and Mexico that the NDFD data omits.

              The NBM Conus domain is also slightly larger, extending further west and north compared to the NDFD domain. "

              There is also a list on that luckgrib site of the models the NBM is using in it's latest version. I was told once that this model is the one model to rule them all (hahaha) And it will only improve with time - ingesting more data, learning etc.

              idefix37 1 Reply Last reply Reply Quote 1
              • idefix37
                idefix37 Sailor Moderator @Wheats last edited by idefix37

                @Wheats
                Sorry, yes NDFD. I’ve edited my post.

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                • Wheats
                  Wheats last edited by Wheats

                  @idefix37
                  More Interesting Info - This is from a MetEd course: Introduction to the NWS National Blend of Global Models

                  3.2 Expected Outcomes
                  The National Blend of global Models will provide a better starting point to forecasters based on improved science and will help reduce boundary inconsistencies in the NDFD. Providing WFOs with the NBM will also streamline the process and reduce the level of effort required to produce medium-range forecasts. The expected outcomes of the NBM are:

                  Better deterministic guidance for NDFD forecast consistency
                  Better deterministic guidance for NDFD with reduced bias and errors
                  Better probabilistic guidance (in future NBM Versions)
                  Better representation of complex terrain with guidance derived from coarse global models

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