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EF2 tornado in Tuscaloosa County, Alabama

Tornado January 23, 2012 · Tuscaloosa County, Alabama

EF2
Rating
0.5 mi
Path length
400 yd
Path width
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 400 yards (0.23 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

A tornado, with maximum winds speeds estimated at 120 mph, touched down near the intersection of Alabama Highway 171 and Koffman Ranch Road, in the Koffman area. Approximately two dozen pine trees were uprooted in the location. The tornado then traveled northeast destroying one outbuilding along Koffman Spur. Just to the northeast of Koffman spur, a barn was destroyed and the entire roof was torn off of a well-constructed single family residence. The tornado lifted before reaching Carroll Creek. Merchantable timber losses estimated by the Alabama Forestry Commission for this track are approximately $4K.

The wider storm

An upper level low pressure system developed over the Great Plains and moved east across the Ohio River Valley, dragging a cold front through the lower Mississippi River Valley. As the cold front moved through Arkansas, a squall line formed, producing severe thunderstorms to areas west of Alabama. As the cold front progressed eastward, individual supercells developed in advance of the front and moved through Alabama during the early morning hours on January 23rd. Several long track supercells produced strong, long track tornadoes.

Began near Shirley (33.3257, -87.6579).

Other tornadoes from the same storm system

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

Source: NOAA Storm Events Database, event 362758. Narratives are written by the National Weather Service forecast office that issued the report.

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