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The Weather Research and Forecasting (WRF) Model [1] (/ ˈ w ɔːr f /) is a numerical weather prediction (NWP) system designed to serve both atmospheric research and operational forecasting needs. NWP refers to the simulation and prediction of the atmosphere with a computer model, and WRF is a set of software for this.
Weather reconnaissance aircraft, such as this WP-3D Orion, provide data that is then used in numerical weather forecasts.. The atmosphere is a fluid.As such, the idea of numerical weather prediction is to sample the state of the fluid at a given time and use the equations of fluid dynamics and thermodynamics to estimate the state of the fluid at some time in the future.
In weather forecasting, model output statistics (MOS) is a multiple linear regression technique in which predictands, often near-surface quantities (such as two-meter-above-ground-level air temperature, horizontal visibility, and wind direction, speed and gusts), are related statistically to one or more predictors.
The European Centre for Medium-Range Weather Forecasts’s model is widely considered to be the gold standard. It was what Google wanted to beat with its first-of-its-kind AI version — and it did.
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]
Three years later, the first global forecast model was introduced. [13] Sea ice began to be initialized in forecast models in 1971. [19] Efforts to involve sea surface temperature in model initialization began in 1972 due to its role in modulating weather in higher latitudes of the Pacific. [20]
Forecast weather conditions: This is the prominent graphic for each date, detailing the expected conditions for the day. Some days, it may just say “sunny,” as is forecast for Boise on ...
The global models are run at varying times into the future. The UKMET Unified model is run six days into the future, [41] the European Centre for Medium-Range Weather Forecasts model is run out to 10 days into the future, [42] while the Global Forecast System model run by the Environmental Modeling Center is run 16 days into the future. [43]