In order to verify the 48 hour forecast from a model that is run on April 1 at 1200 UTC you would need to compare observations at time April 3 1200 UTC.
What influences the size of features that a weather model can resolve?The distance between grid points or grid spacing (usually 0.5 km- 40km) affects the space resolution. Any feature smaller than the spacing cannot be resolved by it. The quantity of vertical levels is known as vertical space resolution. Up to 64 vertical layers can exist between the ground and the atmosphere.
What are the two basic model categories that are applied to weather forecasting?The Global Forecast System (GFS) model from the National Weather Service and the European Center for Medium-Range Weather Forecast (ECMWF) model are the two most well-known weather simulations. They are more frequently known as the European and the American models, respectively.
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