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GraphCast: fast global weather forecasts

Contribution grade

Earth & space · Scoped scientific or research-capability contribution

Reference score18,000Provisional editorial estimate of this exact contribution; its grade is assessed separately.

What changed

Generated medium-range global forecasts with a graph neural network trained on reanalysis data and evaluated against operational forecasts.

Scientific scope

Generated medium-range global forecasts with a graph neural network trained on reanalysis data and evaluated against operational forecasts. Scope limitation: Skill is measured on the paper’s variables, periods and initialization. It is not a guarantee for every extreme event or a climate projection.

Evidence

Assessment uses the catalogue-linked source evidence for the stated contribution. Skill is measured on the paper’s variables, periods and initialization. It is not a guarantee for every extreme event or a climate projection.

Contributors

Provisional WRS assessment, edition 2026-10-16.1. Independent expert calibration is pending. This grade does not certify correctness or assign ownership.

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