Flood in Washington County, Oregon

Flood January 14, 2021 – January 16, 2021 · Washington County, Oregon

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

What the National Weather Service wrote

The Tualatin River near Farmington (FRMO3) rose above flood stage around 1400PST, crested at 32.6 feet, the fell below flood stage at 1015PST on the 16th. Flood stage is 32.0 feet.

The wider storm

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.

Began near Farmington (45.4568, -122.9516).

Source: NOAA Storm Events Database, event 939811. Narratives are written by the National Weather Service forecast office that issued the report.

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