ML4WX

Extremes & hazards

Quantifying the Value of Convection-Allowing Global-Nested Ensembles for Extended-Range Severe Weather Forecasting

Michael J. Hosek, Kimberly A. Hoogewind, Adam James Clark, Lucas Harris, Kai‐Yuan Cheng, Linjiong Zhou

Weather and Forecasting · · NOAA (incl. GFDL, PSL, GSL, NCEP/EMC), Princeton University, University of Oklahoma (AI2ES)

Paper

In one sentence. Random forest severe-convection forecasts from C-SHiELD convection-allowing ensembles show skill only through day 7, with a modest gain over parameterized-convection ensembles.

Labels

Topic
Extremes & hazards, Probabilistic & ensemble forecasting
Type
Evaluation or intercomparison of existing models
Method
Classical ML (trees, GP, linear, kernels)
Time scale
3–15 days
Domain
Regional
Data
NWP analysis or forecasts (IFS, GFS, ...), km-scale or high-res simulation
Status
Research
Identifiers
DOI:10.1175/waf-d-25-0093.1 OpenAlex:W7136693582
Added
2026-10-22

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