Flash Flood in Silver Bow County, Montana

Flash Flood August 6, 2009 · Silver Bow County, Montana

$1K

Damage as recorded

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

What the National Weather Service wrote

Flooding was reported on both Elm and Silverbow Street. A few homes on Silverbow had flooding in their basements. The Butte Plaza Mall parking lot was flooded, and strong winds caused water to flow into the doorways and walkways of the mall.

The wider storm

A strong low pressure system and associated cold front moved into the Northern Rockies, creating a favorable environment for strong hail producing thunderstorms and heavy rain. Flash flooding was reported in the city of Butte with this event as up to an inch of precipitation occurred in 30 to 45 minutes. Hail up to the size of baseballs and strong winds nearing 70 mph were also observed.

Began near Columbia Gardens (46.0031, -112.4904).

Source: NOAA Storm Events Database, event 192643. Narratives are written by the National Weather Service forecast office that issued the report.

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