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Forecasting Global Weather with Graph Neural Networks

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arxiv 2202.07575 v1 pith:ZRRXIRGC submitted 2022-02-15 physics.ao-ph cs.LG

Forecasting Global Weather with Graph Neural Networks

classification physics.ao-ph cs.LG
keywords data-drivendataforecastingforecastsglobalgraphmodelnetworks
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We present a data-driven approach for forecasting global weather using graph neural networks. The system learns to step forward the current 3D atmospheric state by six hours, and multiple steps are chained together to produce skillful forecasts going out several days into the future. The underlying model is trained on reanalysis data from ERA5 or forecast data from GFS. Test performance on metrics such as Z500 (geopotential height) and T850 (temperature) improves upon previous data-driven approaches and is comparable to operational, full-resolution, physical models from GFS and ECMWF, at least when evaluated on 1-degree scales and when using reanalysis initial conditions. We also show results from connecting this data-driven model to live, operational forecasts from GFS.

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Forward citations

Cited by 24 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

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