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EF1 tornado in Perry County, Alabama

Tornado January 23, 2012 · Perry County, Alabama

EF1
Rating
41.9 mi
Whole path
300 yd
Path width

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

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 300 yards (0.17 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

A tornado, with winds of 110 MPH, briefly touched down along County Road 7 and moved northeast crossing County Road 16 and Alabama Highway 5. Scores of hardwood and softwood trees were snapped or uprooted along the path. The tornado lifted just after crossing Alabama Road 175. Merchantable timber losses estimated by the Alabama Forestry Commission for this track are approximately $84K.

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 Heiberger (32.7068, -87.3096).

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 363587. Narratives are written by the National Weather Service forecast office that issued the report.

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