Heavy Rain — Grays Harbor, Washington

2008-11-12 · near Cosmopolis, Grays Harbor, Washington

Event narrative

Softened ground from heavy rain combined with strong winds blew down several trees, and their dislodged root balls collapsed an earthen section of the Mill Creek dam near Cosmopolis. A footbridge was knocked out and some nearby residential areas were flooded.

Wider weather episode

Heavy rain caused flooding on 15 western Washington rivers, with eight river forecast points reaching major flood stage.

View location on OpenStreetMap → (46.9500, -123.7700)

Source: NOAA Storm Events Database, event_id 139421. Narrative written by the NWS forecast office that issued the report.