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EF2 tornado in Claiborne County, Tennessee

Tornado March 2, 2012 · Claiborne County, Tennessee

EF2
Rating
2.6 mi
Path length
250 yd
Path width
4
Injuries
$500K
Damage as recorded
EF0EF1EF2EF3EF4EF5Unrated

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 EF2 means. On the Enhanced Fujita scale, EF2 is considerable damage: roofs torn off well-built houses, mobile homes destroyed, large trees snapped or uprooted, consistent with estimated gusts of 111–135 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-2 tornado with a maximum wind speed of 120 mph created a damage path 2.6 miles in length and 250 yards wide across the northern part of Harrogate. Along the tornado track, 5 homes were destroyed, 7 suffered major damage, and 17 had minor damage. Also, four residents were injured in the storm.

The wider storm

A deepening low pressure system moved northeast from the Mid Mississippi Valley through the Great Lakes initially driving a warm front northward through the Southern Appalachian region during the afternoon. The associated cold front swept across the area late Friday night. A one hundred knot upper level jet positioned over a 50 knot low level jet resulted in a strongly sheared environment. The intense shear and moderate instability produced an atmosphere conducive to long-lived, discrete, supercell thunderstorms. A total of 9 tornadoes ranging in intensity from EF-0 to EF-3 produced widespread damage and nearly 50 injuries to East Tennessee residents in the path of the storms.

Began near Fibre (36.5827, -83.6789).

Other tornadoes from the same storm system

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

Source: NOAA Storm Events Database, event 366728. Narratives are written by the National Weather Service forecast office that issued the report.

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