Debris Flow in Multnomah County, Oregon

Debris Flow February 12, 2019 · Multnomah County, Oregon

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

What the National Weather Service wrote

At about 3 p.m. the county said Northwest Rocky Point Road between U.S. 30 and Skyline Boulevard was closed because of a large crack in the road caused by heavy rains and snowmelt.

The wider storm

Back-to-back low pressure systems dropping south along the coast of British Columbia and Washington brought cold air south into NW Oregon as well as plenty of moisture. Locations in the Columbia Gorge and Hood River Valley saw 1 to 2 feet of snow. At lower elevations, a near stationary frontal boundary the night of the 11th into the morning of the 12th dropped several inches of rain over portions of Washington, Columbia, Tillamook and Yamhill Counties.

Began near River Jct (45.6204, -122.8708).

Source: NOAA Storm Events Database, event 810310. Narratives are written by the National Weather Service forecast office that issued the report.

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