Hail in Sanders County, Montana

Hail July 31, 2010 · Sanders County, Montana

0.88 in

Hail diameter

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

What the National Weather Service wrote

A trained spotter estimated penny to nickel sized hail.

The wider storm

Instability and increasing flow aloft combined with an upper low and moisture over north central Oregon produced favorable conditions for severe thunderstorms across the northern Rockies. The main threat with these storms was for large hail, ranging in size from 0.75 inches in diameter up to 1.75 inches in diameter. Heavy rain also accompanied these storms.

Began near Camas (47.6100, -114.6700).

Source: NOAA Storm Events Database, event 252767. Narratives are written by the National Weather Service forecast office that issued the report.

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