Flash Flood in Morrow County, Oregon

Flash Flood April 23, 2012 · Morrow County, Oregon

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

What the National Weather Service wrote

Heavy rainfall caused flash flooding in several areas of Heppner, including residences, the elementary school, sewage treatment plant, city shop, a bank, and the newspaper office. Roadways were also flooded and debris cleanup had to ensue in 10 spots.

The wider storm

An upper level disturbance moving north on the back side of an upper level ridge combined with a very moist atmosphere to produce local severe thunderstorms and flooding.

Began near Heppner (45.3500, -119.5500).

Source: NOAA Storm Events Database, event 377295. Narratives are written by the National Weather Service forecast office that issued the report.

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