Thunderstorm Wind in Lake County, Montana

Thunderstorm Wind August 25, 2013 · Lake County, Montana

60 mph

Estimated gust (52 kt)

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

What the National Weather Service wrote

A NWS employee reported trees bending with one large tree blown down. The waves on Flathead lake were the highest she had ever seen.

The wider storm

An upper level trough moved from southwest Oregon on the morning of August 25th to southern British Columbia by the morning of the 26th. This system initiated strong thunderstorms on the evening of the 25th and also during the early morning hours on the 26th. These storms produced gusty winds that caused trees to topple over causing power outages and vehicle damage across portions of northwest Montana.

Began near Dayton (47.8700, -114.2800).

Source: NOAA Storm Events Database, event 473364. Narratives are written by the National Weather Service forecast office that issued the report.

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