Flash Flood in Hamilton County, Tennessee

Flash Flood August 12, 2025 · Hamilton County, Tennessee

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

What the National Weather Service wrote

Photos from social media posts showed street flooding along Ringgold Road in multiple locations.

The wider storm

A weak upper low helped advect near record moisture into Tennessee, where a boundary and classic heavy rain profiles combined to produce extreme rainfall rates over portions of Chattanooga, leading to numerous water rescues, a few evacuations, flooded interstate and local roads, flooded homes, and unfortunately a few fatalities. One fatality occurred in the east Brainerd area after a driver went around police barricades and was swept away in the flood waters. Damage estimates as of September 2025 were at least $1.7 million dollars per emergency management.

Began near Lookout Mtn (35.0026, -85.2481).

Source: NOAA Storm Events Database, event 1287779. Narratives are written by the National Weather Service forecast office that issued the report.

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