impossible → routine
A forecast that was learned, not simulated
Forecasting global weather with a learned model instead of simulated atmospheric physics.
Impossible
GraphCast, a research model, beats the industry gold-standard physics forecast on more than 90% of tested variables.
10-day forecast in under a minute on one TPU machine
source2 years, 9 months
Routine
WeatherNext 3 becomes the new leader on Brightband's Operational WeatherBench, a live third-party comparison of AI and physics global medium-range models, edging out its predecessor WeatherNext 2.
lowest 2m-temperature error on 26 of the last 30 days in August
source