ML4WX

Post-processing & calibration

Validation of Cool-Season Snowfall Forecasts at a High-Elevation Site in Utah’s Little Cottonwood Canyon

Michael D. Pletcher, Peter G. Veals, Michael E. Wessler, David Church, Kirstin J. Harnos, James Correia, Randy J. Chase, W. James Steenburgh

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

Paper

In one sentence. Validates GFS and HRRR snowfall forecasts in Utah; a local random forest cuts snow-to-liquid ratio error from 4.5–7.7 to 3.7 but operational models underpredict precipitation.

Labels

Topic
Post-processing & calibration, Applications & impacts
Type
Evaluation or intercomparison of existing models
Method
Classical ML (trees, GP, linear, kernels)
Time scale
6 h–3 days
Domain
Local / station
Data
NWP analysis or forecasts (IFS, GFS, ...), Station / in-situ
Status
Pre-operational / experimental
Identifiers
DOI:10.1175/waf-d-23-0176.1 OpenAlex:W4400461709
Added
2026-10-22

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