Heavy Snow — Eastern Columbia River Gorge, Washington

2022-12-22 to 2022-12-24 · Eastern Columbia River Gorge, Washington

Event narrative

A trained spotter 1 mile west of White Salmon, WA measured 4 inches of new snow at 1313 PST on Dec. 23rd.

Wider weather episode

A series of surface frontal boundaries, warm air overrunning low level and valley cold pools, and a moderate transport of moisture in a west to southwest flow aloft resulted in impactful wintry conditions across southeast Washington, northeast and central Oregon. A mix of heavy freezing rain and heavy snow resulted in numerous traffic accidents and highway closures across the region during this period.

Source: NOAA Storm Events Database, event_id 1073299. Narrative written by the NWS forecast office that issued the report.