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Debris Flow in East Columbia River Gorge, Washington

Debris Flow July 14, 2012 · East Columbia River Gorge, Washington

The wider storm

A slow moving upper level low pressure area combined with daytime heating and abundant moisture to produce locally severe thunderstorms and heavy rainfall. On July 14th, heavy rainfall caused mudslide and water across highway 14 between Patterson and Roosevelt which closed the road and the Amtrak railway for several hours.

Source: NOAA Storm Events Database, event 383830. Narratives are written by the National Weather Service forecast office that issued the report.

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