Flood in Boise County, Idaho

Flood June 4, 2010 · Boise County, Idaho

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

What the National Weather Service wrote

Rockslides and flooding on Banks to Lowman Road and Highway 21 closed sections of the roads.

The wider storm

A deep low pressure system anchored in the Gulf of Alaska and a zonal flow pattern across the Pacific Northwest and Intermountain West provided the right ingredients for a sustained moisture plume which produced convection and periods of moderate to heavy rain over a three day period causing flooding and flash flooding, and severe thunderstorms across Southeast Oregon and Southwest Idaho.

Began near Garden Vly (44.0800, -115.5100).

Source: NOAA Storm Events Database, event 236676. Narratives are written by the National Weather Service forecast office that issued the report.

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