Hail in Granite County, Montana
Hail May 6, 2017 · Granite County, Montana
Where the report was made, with tornadoes recorded within 15 miles over the years.
What the National Weather Service wrote
A local resident reported ground covered with quarter-sized hail. A few strikes of lightning accompanied the storm.
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 Southern Cross (46.1383, -113.3902).
Source: NOAA Storm Events Database, event 687398. Narratives are written by the National Weather Service forecast office that issued the report.
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