Debris Flow — Multnomah, Oregon

2022-01-06 · near Dodson, Multnomah, Oregon

Event narrative

A debris flow from the Tumalt Creek drainage blocked all lanes of I-84, a major transportation corridor between western and eastern Oregon.

Wider weather episode

The second in a series of strong Pacific fronts brought another round of heavy rain and resulting flooding of mainstem rivers draining the coastal mountains and interior of northwest Oregon. Coastal flooding also occurred at some coastal communities as a result of high astronomical tides combined with high river levels and high seas.

View location on OpenStreetMap → (45.6011, -122.0407)

Source: NOAA Storm Events Database, event_id 1004275. Narrative written by the NWS forecast office that issued the report.