ML4WX

Sub-seasonal to seasonal

Outcomes of the WMO Prize Challenge to Improve Subseasonal to Seasonal Predictions Using Artificial Intelligence

F. Vitart, A. W. Robertson, A. Spring, F. Pinault, R. Roškar, W. Cao, S. Bech, A. Bienkowski, N. Caltabiano, E. De Coning, B. Denis, A. Dirkson et al.

Bulletin of the American Meteorological Society · · Columbia University (LEAP, Lamont-Doherty), Environment and Climate Change Canada (ECCC), ECMWF, Max Planck Institute for Meteorology, Swiss Data Science Center (SDSC)

Paper

In one sentence. WMO prize challenge winners used AI to post-process ECMWF S2S forecasts, beating bias-corrected references for weeks 3-6 precipitation and temperature.

Labels

Topic
Sub-seasonal to seasonal, Post-processing & calibration, Benchmarks, datasets & evaluation
Type
Evaluation or intercomparison of existing models
Method
Classical ML (trees, GP, linear, kernels)
Time scale
2 weeks–2 months
Domain
Global
Data
NWP analysis or forecasts (IFS, GFS, ...)
Status
Research
Identifiers
DOI:10.1175/bams-d-22-0046.1 OpenAlex:W4298138444
Added
2026-10-22

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