Hail in Silver Bow County, Montana

Hail August 6, 2009 · Silver Bow County, Montana

2 in

Hail diameter

$50K

Damage as recorded

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

What the National Weather Service wrote

Extensive hail damage to homes, roofs, and vehicles reported on Green Acres and Continental Drive near Butte. Hail size ranged between 1.75 and two inches in diameter. In addition, wind gusts were estimated up to 70 mph, which caused some tree branches to break.

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 (btm)mooney Arpt But (45.9500, -112.4600).

Source: NOAA Storm Events Database, event 192653. Narratives are written by the National Weather Service forecast office that issued the report.

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