Thunderstorm Wind in Lewis and Clark County, Montana

Thunderstorm Wind August 23, 2024 · Lewis and Clark County, Montana

61 mph

Estimated gust (53 kt)

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

What the National Weather Service wrote

Mesonet station EW3831 measured a 61 mph gust.

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 Holter Dam (47.0100, -112.0100).

Source: NOAA Storm Events Database, event 1200655. Narratives are written by the National Weather Service forecast office that issued the report.

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