Weather & Forecasting · Recorded milestone

Medium-range forecast centre

Recorded year1979

The European Centre for Medium-Range Weather Forecasts issues its first operational forecast, pooling countries' money for the best model and computer.

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Built on

Daily computer forecastsRecorded · 1954enables
World Weather WatchRecorded · 1963enables
SupercomputerRecorded · 1964enables

Led to

Ensemble forecastsRecorded · 1992enables
AI weather forecastingRecorded · 2023enables
Digital twin of EarthRecorded · 2024enables
AI model runs official forecastsRecorded · 2025enables

Sources & evidence

Additional source

Dataset updated 2026-10-18. This individual record has not been separately re-reviewed.