Winter Weather — Allegheny, Pennsylvania

2026-01-01 · Allegheny, Pennsylvania

Event narrative

ASOS KAGC measured quarter mile visibility with a peak wind gust of 37 mph in a snow squall.

Wider weather episode

A strong cold front dove through the area from north to south ushering in strong cold advection in its wake. A narrow, strong line of convective snow developed along the boundary sinking across the entire county warning area. There were numerous reports of visibility of a quarter mile or less, wind gusts greater than 30 mph, and rapid accumulation on roadways.

Source: NOAA Storm Events Database, event_id 1300788. Narrative written by the NWS forecast office that issued the report.