Flood in Multnomah County, Oregon

Flood January 13, 2021 · Multnomah County, Oregon

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

What the National Weather Service wrote

Johnson Creek at Sycamore (SYCO3) rose above flood stage at 0215PST, crested at 11.33 feet, then fell below flood stage at 0615PST. Flood stage is 11.0 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 Bellrose (45.4726, -122.5343).

Source: NOAA Storm Events Database, event 938603. Narratives are written by the National Weather Service forecast office that issued the report.

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