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EF1 tornado in Clarke County, Alabama

Tornado April 15, 2011 · Clarke County, Alabama

EF1
Rating
3.3 mi
Path length
500 yd
Path width
$102K
Damage as recorded
$3.0M
Crop damage
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 500 yards (0.28 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

Aerial survey by Alabama Forestry Commission indicated a 300 to 600 yard wide path of trees snapped or blown over on the Fred T. Stimpson State Game Preserve. Several power poles and lines were snapped, and a storage shed was destroyed. The timber losses of large longleaf pine and slash pine were estimated to be close to 3 million dollars.

The wider storm

Numerous supercell thunderstorms developed in the late morning through the evening hours across Mississippi and Alabama. A series of long track tornadic supercell thunderstorms moved out of southeast Mississippi in the late morning, and crossed southwest Alabama in the late morning through the afternoon and evening hours. In southwest Alabama, the tornadoes missed the larger populated towns and communities, but did produce significant damage to numerous homes in rural areas. Several injuries were reported with 3 fatalities in Deer Park, Alabama (Washington County) from an EF-3 tornado during the early evening hours. Widespread damage to timber along several 200 to 600 yard-wide tornado paths resulted in significant losses to the timber industry. The Alabama Forestry Commission estimated timber losses in southwest Alabama to be near 7.3 million dollars.

Began near Carlton (31.3645, -87.8856).

Other tornadoes from the same storm system

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

Source: NOAA Storm Events Database, event 297453. Narratives are written by the National Weather Service forecast office that issued the report.

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