Winter Weather — Westmoreland Ridges, Pennsylvania

2021-02-01 to 2021-02-03 · Westmoreland Ridges, Pennsylvania

Event narrative

Average storm total snowfall in the ridges of Westmoreland County from Jan 31st to Feb 3rd was 8 inches.

Wider weather episode

During the morning of January 31st, weakening low pressure moved northward into the lower Ohio Valley. Frontogenetic forcing allowed for some higher snow rates during the morning and early afternoon hours, particularly in the higher elevations. Snow rates became lighter in the afternoon as support for lift weakened and lifted northward, and as energy began to transfer to a coastal low. Accumulations through midnight were generally limited to four inches or less.

This event continued into early February, when strengthening northwest flow increased cold advection and allowed additional accumulating snow showers to develop.

Source: NOAA Storm Events Database, event_id 943888. Narrative written by the NWS forecast office that issued the report.