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

NWS employee reported quarter size hail 5 miles east of Garrison Junction. The hailstones were found one hour after the storm had passed. Thus, the hailstones were likely larger when it initially fell.

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 Kohr (46.4896, -112.7264).

Source: NOAA Storm Events Database, event 693629. Narratives are written by the National Weather Service forecast office that issued the report.

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