Hail in Powell County, Montana

Hail July 13, 2011 · 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

The public reported quarter sized hail that covered the ground.

The wider storm

Unstable and moist southwest flow aloft produced thunderstorms with hail over western Montana. This flow was caused by an upper level trough off the West Coast.

Began near Brock Creek (46.6134, -112.8381).

Source: NOAA Storm Events Database, event 331101. Narratives are written by the National Weather Service forecast office that issued the report.

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