Debris Flow in Lower Columbia, Washington

Debris Flow January 8, 2009 · Lower Columbia, Washington

What the National Weather Service wrote

Heavy rain caused a landslide on highway 411 near mile post 9.

The wider storm

A powerful storm system brought very heavy rainfall to the region in early January. The heavy rainfall combined with snowmelt runoff caused flooding along multiple rivers in southwest Washington.

Source: NOAA Storm Events Database, event 149869. Narratives are written by the National Weather Service forecast office that issued the report.

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