Debris Flow — East Columbia River Gorge, Washington

2012-07-14 · East Columbia River Gorge, Washington

Wider weather episode

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_id 383830. Narrative written by the NWS forecast office that issued the report.