ML4WX

Post-processing & calibration

Snow-to-Liquid Ratio Prediction over the Contiguous United States Using Machine Learning

Michael D. Pletcher, Peter G. Veals, Randy J. Chase, Steven D. Hilberg, Noah Newman, Andrew A. Rosenow, W. James Steenburgh

Weather and Forecasting · · Colorado State University (incl. CIRA), NOAA (incl. GFDL, PSL, GSL, NCEP/EMC), Tomorrow.io, University of Oklahoma (AI2ES)

Paper

In one sentence. Random forest snow-to-liquid ratio model applied to HRRR over CONUS cuts MAE to 2.92 versus 3.51–4.76 for operational methods.

Labels

Topic
Post-processing & calibration
Type
New model or method
Method
Classical ML (trees, GP, linear, kernels)
Time scale
6 h–3 days
Domain
Regional
Data
Station / in-situ, ERA5 / reanalysis, NWP analysis or forecasts (IFS, GFS, ...)
Status
Pre-operational / experimental
Identifiers
DOI:10.1175/waf-d-25-0124.1 OpenAlex:W7119005367
Added
2026-10-22

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