Lightweight ML method fixes predictable errors in long-range weather forecasts
LesterMackey · x · 2026-10-14
Weather forecasts lose reliability after 10 days, yet farmers, resource managers and communities make critical decisions weeks in advance. A new lightweight ML method published in Nature by Lester Mackey's team corrects predictable errors in physics-based and AI weather forecasts at extended lead times. An accompanying figure compares observed North American temperature anomalies for Dec 15-21, 2025 with lowest-temperature quintile probability forecasts from MicroDuet and debiased ECMWF.
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