Thunderstorm Wind in Fergus County, Montana

Thunderstorm Wind August 19, 2024 · Fergus County, Montana

64 mph

Estimated gust (56 kt)

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

What the National Weather Service wrote

A trained spotter in Lewistown reported a severe caliber gust.

The wider storm

An active week of severe weather unfolded across the Northern Rockies from August 18th through the 21st. Subtle waves lifting through a southwesterly flow aloft just west of an upper level ridge combined with ample surface heating and shear to result in multiple rounds of severe weather, most notably on August 19th when a line of strong thunderstorms lifted northward across the plains and adjacent areas.

Began near Lewistown (47.0700, -109.4300).

Source: NOAA Storm Events Database, event 1200375. Narratives are written by the National Weather Service forecast office that issued the report.

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