Hail in Silver Bow County, Montana

Hail August 6, 2009 · Silver Bow County, Montana

1.75 in

Hail diameter

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

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 Maiden Rock (45.8100, -112.9400).

Source: NOAA Storm Events Database, event 192645. Narratives are written by the National Weather Service forecast office that issued the report.

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