Microsoft's PBC framework wins global competition for 2-6 week weather forecasts

LesterMackey · x · 2026-10-14

Microsoft Research introduced Probabilistic Bias Correction (PBC), a machine-learning framework that improves 2-6 week extended weather forecasts — a historically unreliable window critical for farmers and disaster responders. PBC took top honors in a global competition and shows promise for real-world use.

Related event: Microsoft's PBC machine learning bias-correction method published in Nature boosts 2-6 week forecasts(10 posts)→

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