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Get the Nairobi, Nairobi Area local weather forecast by the hour and the next 10 days.
Get the Westlands, Nairobi Area local weather forecast by the hour and the next 10 days.
The Weather Channel was founded on July 18, 1980, [9] by television meteorologist John Coleman (who had served as a chief meteorologist at ABC owned-and-operated station WLS-TV in Chicago and as a forecaster for Good Morning America) and Frank Batten, then-president of the channel's original owner Landmark Communications (now Landmark Media Enterprises).
The difference between the forecast and the actual weather outcome for forecasts 3, 5, 7, and 10 days in advance. It was not until the 20th century that advances in the understanding of atmospheric physics led to the foundation of modern numerical weather prediction .
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.
The first BBC weather forecast was a shipping forecast, broadcast on the radio on behalf of the Met Office on 14 November 1922, and the first daily weather forecast was broadcast on 26 March 1923. In 1936, the BBC experimented with the world's first televised weather maps , brought into practice in 1949 after World War II .
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It comprises a spectral atmospheric model with a terrain-following vertical coordinate system coupled to a 4D-Var data assimilation system.In 1997 the IFS became the first operational forecasting system to use 4D-Var. [2] Both ECMWF and Météo-France use the IFS to make operational weather forecasts, but using a different configuration and resolution (the Météo-France configuration is ...