Heavy Snow — East Slopes of the Oregon Cascades, Oregon

2021-12-10 to 2021-12-12 · East Slopes of the Oregon Cascades, Oregon

Event narrative

The COOP Observer SUN03 measured 11 inches of new snow during the snow event period.

Wider weather episode

An upper level trough and cold front passage at the surface produced snow showers across the Cascade and Blue mountain ranges in Oregon and Washington, while a low level jet associated with this winter storm mixed down strong gusts across the Washington Columbia Basin.

Source: NOAA Storm Events Database, event_id 1004285. Narrative written by the NWS forecast office that issued the report.