Flood in Washington County, Oregon

Flood November 7, 2009 · Washington County, Oregon

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

What the National Weather Service wrote

Minor road flooding was reported along Science Park Drive near the Hope Depot, with about 4 feet of water covering the road for about 1/10 of a mile. The road had been blocked off to traffic.

The wider storm

Under an unstable air mass, strong convective storms moved over the Portland metro area, dropping healthy amounts of rain. Given the time of year, with plenty of newly fallen leaves in gutters and street drains, urban flooding was reported around the area.

Began near Cedar Mill (45.5308, -122.8260).

Source: NOAA Storm Events Database, event 203912. Narratives are written by the National Weather Service forecast office that issued the report.

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