Hail in Lake County, Montana

Hail July 19, 2011 · Lake 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 NNW of Arlee measured 0.88 inch hail.

The wider storm

A shortwave trough that had been sitting off of the Pacific Coast for a few days moved into the Northern Rockies on Tuesday afternoon. The accompaning air mass was very moist and unstable. Very strong thunderstorms developed, producin heavy rain and large hail.

Began near Arlee (47.1500, -114.0800).

Source: NOAA Storm Events Database, event 331367. Narratives are written by the National Weather Service forecast office that issued the report.

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