Preprint
Oct 2026
Domain-Adaptive Data Assimilation for Global AI Weather Forecasting
AI weather forecasting models are commonly trained on the ERA5 reanalysis, which is unavailable in real time. Operational deployment therefore relies on initial conditions produced by numerical or AI analysis systems that differ from those encountered during training. This mismatch can degrade forecast skill, while ret...
Minseok Seo, Noah D. Brenowitz, Do-Yun Kim et al.
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