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EF1 tornado in Loudon County, Tennessee

Tornado October 26, 2010 · Loudon County, Tennessee

EF1

Rating

2.0 mi

Path length

50 yd

Path width

$25K

Damage as recorded

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 50 yards (0.03 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

An EF-1 tornado with maximum winds of 90 miles an hour, produced scattered tree damage with several trees twisted and downed in its path. Two small outbuildings were also destroyed by the tornado.

The wider storm

A cold front tracked through the region triggering scattered severe thunderstorms during the afternoon and evening hours. Storm reports contained mainly damaging thunderstorm wind, but an EF2 tornado formed in Hamilton County. Six people were injured. Tornadoes also formed in Bradley, Loudon and Marion Counties.

Began near Greenback (35.6700, -84.1522).

Other tornadoes from the same storm system

3 more tornadoes the National Weather Service filed under this storm episode.

EF2 Hamilton County EF1 Bradley County EF0 Marion County

Source: NOAA Storm Events Database, event 264629. Narratives are written by the National Weather Service forecast office that issued the report.

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