Hail in Powell County, Montana

Hail May 6, 2017 · Powell County, Montana

1 in

Hail diameter

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

What the National Weather Service wrote

Large hail of 1' in diameter was reported by citizen at the Garrison Mercantile in Garrison at 3:57 pm MDT.

The wider storm

One isolated severe thunderstorm tracked NE from Lost Trail to Georgetown Lake to Garrison to Elliston and eventually Great Falls. Strong shear and modest instability allowed for the storm to maintain its structure and become a long-tracked super cell. Both wind and hail damage were reported throughout the track, with one fatality blamed on the storm as a wind gust blew over a tree onto a woman near Elliston.

Began near Garrison (46.5200, -112.8000).

Source: NOAA Storm Events Database, event 693630. Narratives are written by the National Weather Service forecast office that issued the report.

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