Flash Flood in Multnomah County, Oregon

Flash Flood May 4, 2017 · 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 from a strong thunderstorm in addition to a log jam caused the rapid rise of Oneonta Creek in the Oneonta Gorge. Two hikers were injured in the flash flood.

The wider storm

A strong upper-level trough generated enough instability for a few severe thunderstorms to develop across NW Oregon.

Began near Oneonta (45.5881, -122.0776).

Source: NOAA Storm Events Database, event 704525. Narratives are written by the National Weather Service forecast office that issued the report.

Tornadoes near your address

See every tornado that passed near a place you know, measured to its path.