Heavy Snow — Lower Columbia, Washington

2023-02-22 to 2023-02-23 · Lower Columbia, Washington

Event narrative

Although it appears Kelso and Castle Rock only received 1 to 3 inches of snow, locations Kalama southward received up to 6 inches per the NOHRSC analysis.

Wider weather episode

A significant winter weather event impacted portions of northwest Oregon and southwest Washington. Particularly hard hit was the Portland and Vancouver metro area. A crippling snowstorm impacted the Portland and Vancouver metro area on the afternoon of February 22, continuing into the night. The storm brought widespread 6 to 12 inch snowfall totals to the area. Snowfall distribution was greatly influenced by mesoscale banding. The timing of this event also magnified its impacts.

Source: NOAA Storm Events Database, event_id 1100654. Narrative written by the NWS forecast office that issued the report.