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EF1 tornado in Hancock County, Tennessee

Tornado September 24, 2024 · Hancock County, Tennessee

EF1

Rating

6.0 mi

Path length

250 yd

Path width

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The path drawn at its surveyed width of 250 yards (0.14 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.

What EF1 means. On the Enhanced Fujita scale, EF1 is moderate damage: roofs badly stripped, mobile homes pushed off foundations or overturned, windows broken, consistent with estimated gusts of 86–110 mph. The rating comes from a survey of the worst damage after the storm, not from a wind measurement, so it says as much about what the tornado hit as about how strong it was.

What the National Weather Service wrote

The tornado first began near the intersection of Highway 33 and Jimmie Roberts Road, where branches were snapped and some metal roofing pieces were found in a field. The twister continued along the Clinch River and Alder Road, where numerous tree trunks were snapped, and a few trees were uprooted. The tornado lifted near the intersection of Chestnut Ridge Road and Highway 70.

The wider storm

An upper level low pressure system, coupled with an unstable atmosphere, allowed for scattered thunderstorms. Of these, one isolated supercell produced a couple instances of severe weather, including the first recorded September tornado in East Tennessee history.

Began near Leaman (36.5432, -83.1447).

Source: NOAA Storm Events Database, event 1211458. Narratives are written by the National Weather Service forecast office that issued the report.

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