Flash Flood in Granite County, Montana

Flash Flood August 5, 2010 · Granite 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

A flash flood came out of Edwards Gulch and brought debris, including mud and rocks, as well as water, into buildings on the west side of town. There was also some basement flooding.

The wider storm

Severe thunderstorms formed ahead of an approaching upper level trough oriented along the Pacific coast. Thunderstorms mainly produced hail, up to 1.5 inches in diameter, but some wind damage was also reported across southwest Montana. Heavy rain was also reported with these thunderstorms. In some cases nearly an inch of rain fell in a short amount of time. A flash flood occurred in Drummond due to the heavy rain.

Began near (3du)drummond (46.6751, -113.1516).

Source: NOAA Storm Events Database, event 258043. Narratives are written by the National Weather Service forecast office that issued the report.

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