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Get the Marseille, Provence-Alpes-Cote d'Azur local weather forecast by the hour and the next 10 days.
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Get the Marseille-en-Beauvaisis, Picardy local weather forecast by the hour and the next 10 days.
ECMWF aims to provide accurate medium-range global weather forecasts out to 15 days and seasonal forecasts out to 12 months. [11] Its products are provided to the national weather services of its member states and co-operating states as a complement to their national short-range and climatological activities, and those national states use ECMWF's products for their own national duties, in ...
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.
The mistral is usually accompanied by clear, fresh weather, and it plays an important role in creating the climate of Provence. It can reach speeds of more than 90 km/h (56 mph; 25 m/s; 49 kn), particularly in the Rhône Valley. Its average speed during the day can reach about 50 km/h (31 mph; 14 m/s; 27 kn), calming noticeably at night.
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They also began increasing the range of their forecast from 15 days to 25 days, 45 days, and (by 2016) to 90 days. These hyper-extended forecasts have been compared to actual results several times and shown to be misleading, inaccurate, and sometimes less accurate than simple predictions based on National Weather Service averages over a 30-year ...