As a mesoscale convective system moved southwestward out of eastern Kentucky and into Middle Tennessee during the late morning through afternoon hours on Thursday, July 21st, severe thunderstorms developed across several locations in the mid state.  Seven counties across the mid state experienced severe weather related damage, which included either thunderstorm wind damage or damage from lightning strikes.

Thunderstorm Wind in FENTRESS, TENNESSEE
From 21-JUL-11 10:15:00 to 21-JUL-11 10:15:00 (CST-6)
Location: CLARKRANGE
Magnitude: 55.00 EG
Property damage: 10.00K
Reported by: Emergency Manager

The whole back side of a big barn wall was blown off and some of the roof was blown back onto the other part of the roof at 6711 South York Highway in Clarkrange.

Thunderstorm Wind in MARSHALL, TENNESSEE
From 21-JUL-11 13:50:00 to 21-JUL-11 13:50:00 (CST-6)
Location: ELLINGTON ARPT
Magnitude: 55.00 EG
Property damage: 10.00K
Reported by: Law Enforcement

A few trees and power lines were downed across northern portions of the county.

Thunderstorm Wind in BEDFORD, TENNESSEE
From 21-JUL-11 13:54:00 to 21-JUL-11 13:54:00 (CST-6)
Location: SHELBYVILLE
Magnitude: 55.00 EG
Property damage: 50.00K
Reported by: Amateur Radio

Extensive damage to a house occurred on East Depot Street as an eighteen inch tree fell onto the house.

Thunderstorm Wind in MAURY, TENNESSEE
From 21-JUL-11 14:25:00 to 21-JUL-11 14:25:00 (CST-6)
Location: UNION GROVE
Magnitude: 55.00 EG
Property damage: 2.00K
Reported by: NWS Employee

A couple of trees were downed in the eastern part of Maury County.

Thunderstorm Wind in WILLIAMSON, TENNESSEE
From 21-JUL-11 14:15:00 to 21-JUL-11 14:15:00 (CST-6)
Location: DOUGLAS
Magnitude: 55.00 EG
Property damage: 2.00K
Reported by: Law Enforcement

A few trees were downed along with several large tree limbs being broken off across southern portions of the county.

Thunderstorm Wind in MAURY, TENNESSEE
From 21-JUL-11 13:40:00 to 21-JUL-11 13:40:00 (CST-6)
Location: LEFTWICH
Magnitude: 55.00 EG
Property damage: 5.00K
Reported by: NWS Employee

Numerous large tree limbs and a few trees were downed along U.S. Highway 431 about two to three miles south of the Maury and Marshall County Lines.

Lightning in OVERTON, TENNESSEE
From 21-JUL-11 14:15:00 to 21-JUL-11 14:15:00 (CST-6)
Location: BIG SPGS
Property damage: 50.00K
Reported by: Broadcast Media

A lightning strike caused an oil well near Monroe on Garrett Mill Road near Frogtown Road to explode. Witnesses say debris landed more than 200 yards away from the scence, and smoke was visible for miles. Specific information concerning total amount of damage that occurred to the oil well and associated damage repair costs were unknown.

Lightning in FENTRESS, TENNESSEE
From 21-JUL-11 10:15:00 to 21-JUL-11 10:15:00 (CST-6)
Location: ALLARDT
Property damage: 22.00K
Reported by: Emergency Manager

The fire alarm and PA System at Allardt Elementary School was struck by lightning causing major damage to this system.

Lightning in FENTRESS, TENNESSEE
From 21-JUL-11 10:20:00 to 21-JUL-11 10:20:00 (CST-6)
Location: GRIMSLEY
Property damage: 10.00K
Reported by: Emergency Manager

A house at 1885 Old Sunbright Road had some roof damage from a lightning strike as lightning struck a large tree, which downed power lines onto this house. Specific details concerning the amount of roof damage to the home was unknown.