Debris Flow in Clackamas County, Oregon

Debris Flow November 5, 2022 · Clackamas County, Oregon

Where the report was made, with tornadoes recorded within 15 miles over the years.

What the National Weather Service wrote

Heavy rains over an approximately 2 year old burn area (Riverside Fire) triggered a debris flow. This is reportedly to have occurred sometime on November 5th. The debris flow crossed Highway 224 at the junction with Indian Henry Road, near a bridge crossing the Clackamas River. A nearby rain gauge had 3.31 inches in the 24 hours ending 1700PST November 5th.

The wider storm

An atmospheric river set up over the Pacific Northwest, directing heavy rains and strong wind to into portions of northwest Oregon and southwest Washington.

Began near Tawney (45.1183, -122.0875).

Source: NOAA Storm Events Database, event 1066676. Narratives are written by the National Weather Service forecast office that issued the report.

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