Heavy Snow in Lower Columbia, Washington

Heavy Snow February 20, 2018 · Lower Columbia, Washington

What the National Weather Service wrote

Public report via Facebook of 5.0 inches of snow in Castle Rock.

The wider storm

A low pressure system slid down the coast and stayed offshore, pulling cold air from east of the Cascades into southwest Washington. This brought snow levels down to sea level, and moisture from the low pressure system meant snow down to sea level around Vancouver and along the lower Columbia River.

Source: NOAA Storm Events Database, event 742340. Narratives are written by the National Weather Service forecast office that issued the report.

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