Flood in Clackamas County, Oregon

Flood March 16, 2012 – March 19, 2012 · Clackamas 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 Pudding River at Aurora to overflow its banks and flood low lying areas. The Pudding River crested at 23.0 feet on March 18th at 3 am PST, 1.0 feet above flood stage.

The wider storm

Cold air following a very strong Pacific frontal system brought widespread low elevation snow to Western Oregon Monday night/Tuesday morning. Two more strong weather systems in this series brought heavy rains Wednesday and Thursday. The widespread heavy rain combined with melting snow to bring many rivers above flood stage.

Began near Canby (45.3010, -122.7242).

Source: NOAA Storm Events Database, event 372328. Narratives are written by the National Weather Service forecast office that issued the report.

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