Heavy Snow — East Slopes of the Washington Cascades, Washington

2018-12-17 to 2018-12-18 · East Slopes of the Washington Cascades, Washington

Event narrative

Eleven inches of snow fell at Snoqualmie Pass. Interstate 90 was closed for 3 hours due to multiple spin-outs on the pass.

Wider weather episode

Heavy snow associated with an atmospheric river fell in the Washington Cascades with 11 inches at Snoqualmie Pass and 8 inches at Hyak. Interstate 90 was closed from North Bend to Ellensburg for 3 hours due to multiple spin-outs.

Source: NOAA Storm Events Database, event_id 790201. Narrative written by the NWS forecast office that issued the report.