Debris Flow — Multnomah, Oregon
2019-02-12 · near River Jct, Multnomah, Oregon
Event narrative
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.
Wider weather episode
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.
View location on OpenStreetMap → (45.6204, -122.8708)
Source: NOAA Storm Events Database, event_id 810310. Narrative written by the NWS forecast office that issued the report.