Thunderstorm Wind in Hamilton County, Tennessee

Thunderstorm Wind July 5, 2012 · Hamilton County, Tennessee

69 mph

Estimated gust (60 kt)

Deaths

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

What the National Weather Service wrote

A houseboat capsized on Chickamauga Lake north of Chattanooga. A two year old female toddler and her grandmother were trapped under the boat when it capsized resulting in their deaths.

The wider storm

Organized convection developed over the Southern Appalachian region in the presence of a very moist and unstable air mass. Relatively strong winds through a deep portion of the atmosphere helped to produce an extensive outflow boundary resulting in numerous downed trees and significant structural damage to homes and businesses. The powerful thunderstorm complex resulted in four fatalities and 9 injuries.

Began near Bartlebaugh (35.1200, -85.1900).

Source: NOAA Storm Events Database, event 389694. Narratives are written by the National Weather Service forecast office that issued the report.

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