There are several specific models that are commonly used for numerical weather prediction (NWP), including:
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The Global Forecast System (GFS) model: Developed by the National Weather Service (NWS) and the National Centers for Environmental Prediction (NCEP), the GFS model is a global model that forecasts weather conditions out to 16 days. It is one of the most widely used NW models for weather forecasting.
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The European Centre for Medium-Range Weather Forecasts (ECMWF) model: Developed by the European Centre for Medium-Range Weather Forecasts (ECMWF), this model is considered to be one of the most accurate global models. It forecasts weather conditions out to 15 days and uses a higher resolution than the GFS model.
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The United Kingdom Met Office Unified Model (UM): Developed by the United Kingdom Met Office, the UM is a global model that forecasts weather conditions out to 15 days. It is used extensively by the UK Met Office and other meteorological organizations.
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The Canadian Meteorological Centre (CMC) Global Environmental Multiscale (GEM) model: Developed by the Canadian Meteorological Centre (CMC), the GEM model is a global model that forecasts weather conditions out to 10 days. It is used extensively by Environment Canada and other meteorological organizations.
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The Japan Meteorological Agency (JMA) Global Spectral Model (GSM): Developed by the Japan Meteorological Agency (JMA), the GSM model is a global model that forecasts weather conditions out to 10 days. It is used extensively by the JMA and other meteorological organizations.
These models are continuously updated and improved to increase their accuracy and reliability, and they are widely used by meteorological organizations and weather services around the world. Additionally, there are also regional models which focus on a specific region and can provide more detailed predictions for that area.
In summary, There are several specific models that are commonly used for numerical weather prediction (NWP) such as The Global Forecast System (GFS) model, The European Centre for Medium-Range Weather Forecasts (ECMWF) model, The United Kingdom Met Office Unified Model (UM), The Canadian Meteorological Centre (CMC) Global Environmental Multiscale (GEM) model, The Japan Meteorological Agency (JMA) Global Spectral Model (GSM) and regional models. These models are continuously updated and improved to increase their accuracy and reliability, and they are widely used by meteorological organizations and weather services around the world.