International Aviation Services

The Met Office, as WAFC London, is one of two World Area Forecast Centres, providing global upper wind, temperature, and SIGWX forecasts since 1984, in line with ICAO Annex 3. As one of nine VAACs, we issue volcanic ash advisories for Iceland and the northeastern Atlantic. We also operate Secure Aviation Data Information System (SADIS), delivering WAFS gridded, SIGWX, and OPMET data to users across Europe, Africa, and parts of Asia. Additionally, we support three Single European Sky ATM Research (SESAR) projects, developing tools and services to enhance aviation decision making through forecasts and observations.

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