Windy
windy.com
An animated weather map showing wind, rain, waves, temperature and more, with the option to compare forecast models such as ECMWF and GFS.
Windy is a fast, animated map of the weather. You switch layers for wind, rain, clouds, temperature, waves and more, scrub through time, and click any spot for a point forecast. It was built with kiters, surfers, paragliders, pilots and sailors in mind, and it also shows airport reports such as METAR and TAF.
The feature that sets it apart for many people is the choice of forecast model: you can compare the output of different global models such as ECMWF and GFS for the same place. When models disagree, that is useful information in itself. It is free to use in the browser, with extra options for paying subscribers.
Why it is useful
The animation makes it easy to see how weather systems move, and model comparison shows how confident a forecast is. It is popular with pilots, sailors, surfers and anyone who likes to watch the weather.
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