Thunderstorm Wind in Big Horn County, Montana

Thunderstorm Wind July 15, 2022 · Big Horn County, Montana

64 mph

Measured gust (56 kt)

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

What the National Weather Service wrote

Visibility was under a quarter mile due to blowing dust.

The wider storm

A north/south line of thunderstorms that stretched across multiple counties produced outflow winds well ahead of the thunderstorms. This outflow was very strong and produced winds over 60 mph. These winds produced an area of blowing dust across Interstate 90 just west of Hardin. Visibility dropped to zero resulting in a multiple car pileup which resulted in several deaths and multiple injuries.

Began near Hardin (45.7400, -107.6600).

Source: NOAA Storm Events Database, event 1038043. Narratives are written by the National Weather Service forecast office that issued the report.

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