Flood in Multnomah County, Oregon

Flood January 2, 2009 · Multnomah County, Oregon

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

What the National Weather Service wrote

Heavy rain combined with snowmelt runoff caused the Sandy River to overflow its banks and cause flooding of low-lying areas.

The wider storm

Heavy rainfall drenched the region to begin the new year. The heavy rainfall combined with snowmelt runoff caused flooding along multiple rivers in northwest Oregon.

Began near Dodson (45.3543, -121.9458).

Source: NOAA Storm Events Database, event 146511. Narratives are written by the National Weather Service forecast office that issued the report.

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