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EF3 tornado in Jefferson County, Alabama

Tornado January 23, 2012 · Jefferson County, Alabama

EF3
Rating
15.7 mi
Whole path
800 yd
Path width
1
Death
75
Injuries

NOAA records this tornado county by county. Its path ran through Jefferson County → St. Clair County; the totals above are for the whole tornado.

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 800 yards (0.45 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.

What EF3 means. On the Enhanced Fujita scale, EF3 is severe damage: whole stories of well-built houses destroyed, large buildings badly damaged, trains overturned, consistent with estimated gusts of 136–165 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 touched down in central Jefferson county and tracked northeastward for 15.69 miles, before lifting in western St. Clair county. It touched down along Pawnee Village Rd, about 3.25 miles northeast of Tarrant where several businesses sustained roof and wall damage. The tornado then tracked to the northeast, across Pinson Valley Parkway where several additional businesses were heavily damaged or destroyed. In the city of Center Point, the path width increased to 880 yds as the tornado strengthened to 120 mph. Center Point Elementary School sustained extreme damage, with one building destroyed and extensive damage to several other buildings. The destroyed building was valued at $13 million and the loss of contents inside at $5 million. The tornado continued northeast, crossing Center Point Parkway, causing damage to numerous businesses near 24th St. Minor roof damage, consistent with winds of 100 MPH, occurred to multiple businesses, gas stations, and a strip mall. The tornado crossed Sweeney Hollow Rd and Tyler Loop Rd, and moved through Paradise Valley subdivision, damaging or destroying approximately 200 homes. As the tornado crossed Old Springville Rd, it intensified to 150 MPH, causing extensive damage or destroying to two dozen homes in the George Brook subdivision. Of the homes destroyed, most, if not all, exterior and interior walls were collapsed. The tornado crossed the southern extent of Steeplechase subdivision, destroying two homes, where one fatality occurred, and causing minor to moderate roof damage to numerous other homes. Path width was approximately 600 yds wide at this point. The tornado continued northeast, causing minor to moderate damage to numerous homes in the Pilgrim's Rest subdivision. The heaviest damage was along Plymouth Rock Dr., where approximately a dozen homes were destroyed. As the tornado approached the St. Clair county line, it weakened to an EF1 with winds of 105 MPH, and caused significant damage to at least two homes, with minor damage to several others along Skyline Way. In addition, numerous trees were knocked down. The tornado crossed into St. Clair County south of Will Keith Rd, one mile north of Interstate 59, Exit 148. In total, approximately 50 businesses received some degree of damage, 200 homes were heavily damaged or destroyed, and 200 homes received minor to moderate damage. Merchantable timber losses estimated by the Alabama Forestry Commission for this track are approximately $132K.

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 Ketona (33.6228, -86.7411).

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 364295. Narratives are written by the National Weather Service forecast office that issued the report.

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