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Heavy Snow in Cascades of Snohomish and King Counties, Washington

Heavy Snow December 29, 2020 – December 30, 2020 · Cascades of Snohomish and King Counties, Washington

What the National Weather Service wrote

Heavy snow in the Central Cascades beginning the evening of the 29th led to a new 24 hour snow accumulation at Snoqualmie Pass of almost 20 inches by the evening of the 30th. Heavy snow would then continue into the morning hours of the 31st. Stevens Pass received less snowfall. On December 30, I-90 eastbound at North Bend (MP 34) was closed due to spinouts around 1PM.

The wider storm

Heavy mountain snow over the Cascades at the end of December.

Source: NOAA Storm Events Database, event 934883. Narratives are written by the National Weather Service forecast office that issued the report.

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