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EF1 tornado in Weakley County, Tennessee

Tornado April 25, 2011 · Weakley County, Tennessee

EF1
Rating
15.4 mi
Whole path
225 yd
Path width
$150K
Damage as recorded

NOAA records this tornado county by county. Its path ran through Weakley County → Graves County, Kentucky; the totals above are for the whole tornado.

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 225 yards (0.13 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 touched down near Pierce Road, northeast of Martin and traveled northeast across Ralston Road. Many trees sustained damage or were uprooted. The tornado moved along Simpson Road, knocking over more trees. Near the intersection of Simpson Road and Whispering Hills Road, more trees were uprooted. Further to the northeast, additional trees were uprooted and large branches were knocked down along Chestnut Glade Road. An open hay barn was partially destroyed near the intersection of Chestnut Glade Road and Morrison Road. Farther north, more trees were uprooted at the intersection of Mansfield Road and Morrison Road. Additional tree limbs were knocked down along Wall Road and Wall Loop Road. The tornado continued northeast and produced minor damage to a house along Roberts Road. More trees were knocked down as well. Continuing northeast, the tornado crossed into Kentucky along State Line Road and continued moving to the northeast.

The wider storm

A stationary front remained draped across Southern Missouri into Western Kentucky from April 24th, 2011 into April 25th, 2011. A very warm and unstable atmosphere was in place across the Mid-South ahead of the front. A low pressure system developed along the front and interacted with the unstable environment which helped produce several rounds of severe storms into the evening of April 26th, 2011. As a result of the severe storms, the front sank south during the early morning hours of April 27th, 2011 as a secondary low pressure system developed along the front. As a result, another round of severe storms fired during the afternoon hours ahead of the low pressure center. Additional severe storms fired along the trailing cold front. Tornadoes, large hail, damaging winds, flash flooding occurred as a result of the severe storms. Heavy rain from the continuous rounds of severe weather eventually resulted in record river flooding on a number of rivers in the region.

Began near Ruthville (36.3961, -88.8048).

Other tornadoes from the same storm system

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

Source: NOAA Storm Events Database, event 297448. Narratives are written by the National Weather Service forecast office that issued the report.

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