NWSCnn vs NBM: 2 m temperature skill by NWS forecast office

Test page. Validation period only (Nov–Dec 2024). This is not the blind-test score. Skill is the mean-squared-error skill score against the National Blend of Models (NBM): positive means NWSCnn had lower error than NBM.

View Side by side Shipped only GroupNorm only

Color by Skill vs NBM Bias (warm/cold) Bias change vs NBM

Lead time 1 h All leads Scored leads are 1, 6 and 12 h; the slider snaps to the nearest.

ASOS station dots