Thunderstorm Wind in Blaine County, Montana

Thunderstorm Wind August 23, 2024 · Blaine County, Montana

58 mph

Measured gust (50 kt)

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

What the National Weather Service wrote

RAWS sensor FBLM8 Fort Belknap measured a severe gust. Time was estimated given RAWS sensors only report one time per hour.

The wider storm

An anomalously strong upper level trough was set up just off the west coast, which resulted in a strong belt of mid level southerly flow across Southwest through North-central Montana. Synoptic winds were already breezy from the south, allowing thunderstorms to easily produce strong wind gusts given inverted-V soundings. Wind gusts in excess of 80 mph were observed on this day as a line of gusty outflow spread northward over the plains.

A High Wind Warning was also issued for Southwest Montana this day, though no strong synoptic gusts were observed.

Began near Ft Belknap Agency (48.3000, -108.7200).

Source: NOAA Storm Events Database, event 1200676. Narratives are written by the National Weather Service forecast office that issued the report.

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