Debris Flow — Multnomah, Oregon

2020-12-20 · near Oneonta, Multnomah, Oregon

Event narrative

Oregon DOT estimated 70 cubic yards of material block the Historic Columbia River highway between Angels Rest and Multnomah Falls.

Wider weather episode

A series of strong Pacific fronts moved across the region bringing high winds to the coast with heavy rain across much of the area. The heavy rains resulted in flooding of some coastal rivers as well as small stream flooding and a debris flow.

View location on OpenStreetMap → (45.5762, -122.1242)

Source: NOAA Storm Events Database, event_id 933458. Narrative written by the NWS forecast office that issued the report.