Thunderstorm Wind in Lake County, Montana
Thunderstorm Wind August 10, 2015 · Lake County, Montana
Where the report was made, with tornadoes recorded within 15 miles over the years.
What the National Weather Service wrote
Power lines and trees were downed by the wind. One of the trees that was knocked over was 18 inches in diameter.
The wider storm
A cluster of thunderstorms developed at 3 pm MDT over Lemhi county and was associated with very frequent lightning strikes. This cluster of thunderstorms developed into a line and brought strong damaging winds to the Bitterroot and Missoula valleys. Numerous power lines were knocked down as a line of 60 mph winds push through the Bitterroot valley. As the thunderstorms approached Missoula, a macroburst developed and brought 74 mph wind gusts to the city of Missoula. Many power lines and trees were brought down and caused power outages for days in some areas.
Began near St Ignatius (47.3200, -114.1000).
Source: NOAA Storm Events Database, event 595665. Narratives are written by the National Weather Service forecast office that issued the report.
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