Winter Storm — Westmoreland Ridges, Pennsylvania

2020-12-16 to 2020-12-17 · Westmoreland Ridges, Pennsylvania

Event narrative

Up to 14 inches of snow fell in the ridges of Westmoreland County. Highest report was near Donegal, PA.

Wider weather episode

An upper trough combined with a coupled jet structure resulted in an impressive snow storm across the region. The resulting divergence aloft generated strong frontogenetically forced snow bands across the region.

Source: NOAA Storm Events Database, event_id 932690. Narrative written by the NWS forecast office that issued the report.