Welcome to the new WMO Community Platform!

We are currently migrating all the content from the legacy system and you might find incomplete pages. The legacy system is still available here.

If you find any issue with the new system or you want to send some feedback please send an email to community@wmo.int

The World Weather Watch System Support Activity (WWWSSA)

To predict the weather, modern meteorology depends upon near instantaneous exchange of weather information across the entire globe. Established in 1963, the World Weather Watch - the core of the WMO Programmes - combines observing systems, telecommunication facilities, and data-processing and forecasting centres - operated by Members - to make available meteorological and related environmental information needed to provide efficient services in all countries.

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