Heavy Snow — Northern Blue Mountains, Oregon

2021-02-25 to 2021-02-27 · Northern Blue Mountains, Oregon

Event narrative

The High Ridge Snotel 5 miles SW of Spout Springs, OR reported 12 inches of snow accumulation from 10pm PST on Feb. 25th to 4pm PST on Feb. 26th. A Cocorahs observer 9 miles N of Elgin, OR reported 11.9 inches of snowfall 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 938526. Narrative written by the NWS forecast office that issued the report.