Flood — Washington, Oregon

2021-01-12 to 2021-01-14 · near Gaston, Washington, Oregon

Event narrative

The Tualatin River at Dilley (DLLO3) rose above flood stage at 2330PST on the 12th, crested at 18.09 feet, then fell below flood stage at 0330PST on the 14th. Flood stage is 17.5 feet.

Wider weather episode

A series of slow moving fronts brought periods of heavy rain along with strong winds. This resulted in high surf; coastal, river and urban flooding; landslides; and debris flows. As the front moved inland early on the 13th, a debris flow resulted in a fatality in the Columbia River Gorge. The front brought a burst of 35-50 mph winds to the Willamette Valley and southwest Washington interior resulting in over 100K customers without power across southwest Washington and northwest Oregon.

View location on OpenStreetMap → (45.4414, -123.1293)

Source: NOAA Storm Events Database, event_id 938594. Narrative written by the NWS forecast office that issued the report.