Thunderstorm Wind in Flathead County, Montana

Thunderstorm Wind August 25, 2013 · Flathead County, Montana

55 mph

Measured gust (48 kt)

$1K

Damage as recorded

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

What the National Weather Service wrote

The Kalispell ASOS station measured a strong southerly wind gust to 55 mph. The Flathead Valley power companies reported that around 5,000 customers lost power from 8pm MDT through the early morning hours on August 26. Multiple trees fell on power lines causing the outages.

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 (fca)kalispell Intl (48.3200, -114.2500).

Source: NOAA Storm Events Database, event 473369. Narratives are written by the National Weather Service forecast office that issued the report.

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