Heavy Snow — Wallowa County, Oregon

2021-02-25 to 2021-02-27 · Wallowa County, Oregon

Event narrative

A trained spotter 4 miles NNW of Wallowa, OR reported 7 inches of snowfall in a 24 hour period ending at 1245pm PST on Feb. 27th. A Cocorahs observer 2 miles SW of Wallowa, OR reported 6.3 inches at 7am PST on Feb. 27th.

Wider weather episode

A shortwave trough coupled with surface cold front swept across the forecast area on Feb. 25th, producing an initial surge in snowfall across the region with breezy to gusty winds developing behind the frontal passage. Behind this system, persistent northwest flow aloft reinforced by a series of shortwaves produced additional snowfall across the forecast area through the morning of Feb. 27th.

Source: NOAA Storm Events Database, event_id 938518. Narrative written by the NWS forecast office that issued the report.