The routing uses the ECMWF/Spire/UKMO/GFS/PWG/PWE model data out to 10 days, then uses the ECMWF ensemble from 10 days to 30 days. For the Spire & UKMO forecasts that only go out to 7 days, we used the ECMWF forecast from 7 days to 10 days. We download all 50 member of the ECMWF ensemble and average this forecast data. This has its limitations as you would expect, but does show up persistent weather patterns. If you are using the routing on the website, and the PredictWind App, you will see the ECMWF Ensemble data load after 10 days.

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