Flash Flood in Cocke County, Tennessee

Flash Flood June 18, 2025 · Cocke County, Tennessee

$500K

Damage as recorded

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

What the National Weather Service wrote

Interstate 40 was closed by flooding and debris near mile marker 451, just west of the North Carolina state line. Multiple vehicles were stranded and water rescues were ongoing.

The wider storm

A handful of strong thunderstorms moved north out of Alabama and northern Georgia the afternoon of June 18th, affecting southeast Tennessee and areas in the east Tennessee mountains near the Great Smoky Mountains and Interstate 40. A few thunderstorms trained along the spine of the Smoky Mountains, producing flash flooding and a mudslide that impacted Interstate 40 just east of Hartford. These impacts compounded the damage further east on Interstate 40 inflicted by Hurricane Helene.

Began near Grassy Fork (35.7889, -83.1075).

Source: NOAA Storm Events Database, event 1264309. Narratives are written by the National Weather Service forecast office that issued the report.

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