Thunderstorm Wind in Missoula County, Montana

Thunderstorm Wind August 22, 2023 · Missoula County, Montana

60 mph

Estimated gust (52 kt)

$5K

Damage as recorded

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

What the National Weather Service wrote

Multiple car crashes were reported on Interstate-90 near Missoula as a thunderstorm with strong winds and heavy rain moved through. A wind gust of 52 mph was recorded at the Missoula International Airport, with the main core of the storm passing to the east of the airport.

The wider storm

The remnants of Hurricane Hilary brought deep atmospheric moisture into the Northern Rockies. A closed upper-level low pressure system provided sufficient lift for thunderstorms, with wind shear profiles favorable for organized convection.

Began near Lolo (46.7687, -114.1095).

Source: NOAA Storm Events Database, event 1122874. Narratives are written by the National Weather Service forecast office that issued the report.

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