Thunderstorm Wind in Boundary County, Idaho

Thunderstorm Wind July 17, 2013 · Boundary County, Idaho

58 mph

Estimated gust (50 kt)

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

What the National Weather Service wrote

A large tree was blown over onto Highway 95 at milepost 533.

The wider storm

A negatively tilted shortwave trough of lower pressure pushed across the northern Idaho Panhandle during the early afternoon hours. There was just enough sunshine ahead of the upper level disturbance for surface based thunderstorm development. Moderate amounts of low level shear combined with the low level energy and dynamics aloft spawned a few stronger thunderstorms the pushed northeastward across the northern portions of the Idaho Panhandle. One of these thunderstorms was a supercell that produced large hail and damaging winds.

Began near Eastport (48.9599, -116.2053).

Source: NOAA Storm Events Database, event 458801. Narratives are written by the National Weather Service forecast office that issued the report.

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