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  2. Global Forecast System - Wikipedia

    en.wikipedia.org/wiki/Global_Forecast_System

    An example of a forecast product from the GFS, in this case a 96-hour forecast of 850 mb geopotential height and temperature. The Global Forecast System (GFS) is a global numerical weather prediction system containing a global computer model and variational analysis run by the United States' National Weather Service (NWS).

  3. Global Environmental Multiscale Model - Wikipedia

    en.wikipedia.org/wiki/Global_Environmental_Multi...

    The ensemble variant of the GEM is known as the Global Ensemble Prediction System (GEPS). It has 20 members (plus control) and runs out 16 days, the same range as the American global forecast system. The GEPS runs alongside the GFS ensemble to form the North American Ensemble Forecast System. A regional ensemble prediction system (REPS ...

  4. Numerical weather prediction - Wikipedia

    en.wikipedia.org/wiki/Numerical_weather_prediction

    The UKMET Unified Model is run six days into the future, [41] while the European Centre for Medium-Range Weather Forecasts' Integrated Forecast System and Environment Canada's Global Environmental Multiscale Model both run out to ten days into the future, [42] and the Global Forecast System model run by the Environmental Modeling Center is run ...

  5. History of numerical weather prediction - Wikipedia

    en.wikipedia.org/wiki/History_of_numerical...

    During this time, the AVN model was extended to the end of the forecast period, eliminating the need of the MRF and thereby replacing it. In late 2002, the AVN model was renamed the Global Forecast System (GFS). [29] The German Weather Service has been running their global hydrostatic model, the GME, using a hexagonal icosahedral grid since ...

  6. Integrated Forecast System - Wikipedia

    en.wikipedia.org/wiki/Integrated_Forecast_System

    The Integrated Forecasting System (IFS) is a global numerical weather prediction system jointly developed and maintained by the European Centre for Medium-Range Weather Forecasts (ECMWF) based in Reading, England, and Météo-France based in Toulouse. [1]

  7. Weather forecasting - Wikipedia

    en.wikipedia.org/wiki/Weather_forecasting

    The global models are run at varying times into the future. The Met Office's Unified Model is run six days into the future, [55] the European Centre for Medium-Range Weather Forecasts model is run out to 10 days into the future, [56] while the Global Forecast System model run by the Environmental Modeling Center is run 16 days into the future. [57]

  8. North American Ensemble Forecast System - Wikipedia

    en.wikipedia.org/wiki/North_American_Ensemble...

    The North American Ensemble Forecast System (NAEFS) is a joint project involving the Meteorological Service of Canada (MSC) in Canada, the National Weather Service (NWS) in the United States, and the National Meteorological Service of Mexico (NMSM) in Mexico providing numerical weather prediction ensemble guidance for the 1- to 16-day forecast period. [1]

  9. Navy Global Environmental Model - Wikipedia

    en.wikipedia.org/wiki/Navy_Global_Environmental...

    This mathematical model is run four times a day and produces weather forecasts. Along with the NWS's Global Forecast System , which runs out to 16 days, the ECMWF 's Integrated Forecast System (IFS) and the CMC 's Global Environmental Multiscale Model (GEM), both of which run out 10 days, and the UK Met Office 's Unified Model , which runs out ...