Debris Flow — Cowlitz, Washington

2023-04-10 · near Woodland, Cowlitz, Washington

Event narrative

An atmospheric river that brought heavy rain caused a landslide that sent debris across I-5 north of Woodland, WA near milepost 24. Around 2.2 inches of rain fell in the Woodland area. Northbound lanes on I-5 were closed for more than 3 hours.

Wider weather episode

A moderate atmospheric river brought steady rain to southwest Washington April 9-10th.

View location on OpenStreetMap → (45.9324, -122.7597)

Source: NOAA Storm Events Database, event_id 1092661. Narrative written by the NWS forecast office that issued the report.