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EF1 tornado in Marshall County, Tennessee

Tornado April 27, 2011 · Marshall County, Tennessee

EF1
Rating
2.9 mi
Path length
100 yd
Path width
$75K
Damage as recorded
$12K
Crop damage
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 100 yards (0.06 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

An EF1 tornado with maximum winds 90 to 100 mph touched down around 540 am in northeast Marshall county. Damage began just west of the intersection of U.S. Highway 31a and Thick Road. The damage path was approximately 3 miles long. Maximum path width was 100 yards. Hundreds of trees were snapped or uprooted and several homes suffered roof damage.

The wider storm

During the early morning hours on Wednesday, April 27th, twelve tornadoes occurred across Middle Tennessee. Seven of these were EF0 tornadoes and five of these were EF1 tornadoes. Numerous thunderstorm wind damage events, along with several flash flooding events, occurred across the mid state also. This severe weather outbreak was the result of a very unstable airmass across Middle Tennessee ahead of a strong frontal system, with a warm front positioned near the Tennessee/Alabama border. As this frontal system pushed across the area through the remainder of the morning through the early evening hours, several thunderstorm wind and flash flood events also occurred as additional severe thunderstorms developed.

Began near Holtland (35.6899, -86.6962).

Other tornadoes from the same storm system

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

EF2 Bedford CountyEF1 Lawrence CountyEF1 Warren CountyEF1 Jackson CountyEF1 Wayne CountyEF0 Rutherford CountyEF0 Rutherford CountyEF0 Smith CountyEF0 Coffee CountyEF0 Jackson CountyEF0 Cumberland CountyEF0 Grundy County

Source: NOAA Storm Events Database, event 303095. Narratives are written by the National Weather Service forecast office that issued the report.

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