A boundary across the area triggered thunderstorms during the evening hours.  Many of the storms reported damaging thunderstorm wind.

Thunderstorm Wind in MARION, TENNESSEE
From 21-JUN-11 16:20:00 to 21-JUN-11 16:30:00 (CST-6)
Location: WHITWELL
Magnitude: 60.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement personnel reported many trees and powerlines downed by thunderstorm wind in Whitwell.

Thunderstorm Wind in SEQUATCHIE, TENNESSEE
From 21-JUN-11 16:40:00 to 21-JUN-11 16:50:00 (CST-6)
Location: DUNLAP
Magnitude: 60.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency management personnel reported several trees and powerlines downed by thunderstorm wind in Dunlap.

Thunderstorm Wind in HAMILTON, TENNESSEE
From 21-JUN-11 17:40:00 to 21-JUN-11 17:50:00 (EST-5)
Location: CHATTANOOGA
Magnitude: 55.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement personnel reported several trees downed by thunderstorm wind in Chattanooga.

Thunderstorm Wind in HAMILTON, TENNESSEE
From 21-JUN-11 17:50:00 to 21-JUN-11 18:00:00 (EST-5)
Location: SODDY DAISY
Magnitude: 55.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement personnel reported several trees downed by thunderstorm wind in Soddy Daisy.

Thunderstorm Wind in BRADLEY, TENNESSEE
From 21-JUN-11 18:26:00 to 21-JUN-11 18:40:00 (EST-5)
Location: CHARLESTON
Magnitude: 55.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Amateur radio personnel reported several trees downed by thunderstorm wind in Charleston.

Thunderstorm Wind in MCMINN, TENNESSEE
From 21-JUN-11 18:29:00 to 21-JUN-11 18:40:00 (EST-5)
Location: ETOWAH
Magnitude: 55.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Amateur radio personnel reported several trees downed by thunderstorm wind in Etowah.

Thunderstorm Wind in MONROE, TENNESSEE
From 21-JUN-11 18:40:00 to 21-JUN-11 18:50:00 (EST-5)
Location: SWEETWATER
Magnitude: 60.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Amateur radio personnel reported many trees and powerlines downed by thunderstorm wind in Sweetwater.

Thunderstorm Wind in LOUDON, TENNESSEE
From 21-JUN-11 19:00:00 to 21-JUN-11 19:10:00 (EST-5)
Location: LENOIR CITY
Magnitude: 60.00 EG
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement personnel reported numerous trees downed by thunderstorm wind in Lenoir City.

Thunderstorm Wind in UNION, TENNESSEE
From 21-JUN-11 19:20:00 to 21-JUN-11 19:35:00 (EST-5)
Location: MAYNARDVILLE
Magnitude: 60.00 EG
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency management personnel reported numerous trees downed by thunderstorm wind countywide.

Thunderstorm Wind in BLOUNT, TENNESSEE
From 21-JUN-11 19:20:00 to 21-JUN-11 19:30:00 (EST-5)
Location: MARYVILLE
Magnitude: 52.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: NWS Employee

A NWS employee reported 1 tree and several large limbs downed by thunderstorm wind in Maryville.

Thunderstorm Wind in BLOUNT, TENNESSEE
From 21-JUN-11 19:20:00 to 21-JUN-11 19:22:00 (EST-5)
Location: MARYVILLE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

A NWS employee reported an estimated thunderstorm wind gust at 60 mph (52 knots) in Maryville.

Thunderstorm Wind in KNOX, TENNESSEE
From 21-JUN-11 19:21:00 to 21-JUN-11 19:40:00 (EST-5)
Location: KNOXVILLE
Magnitude: 55.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Amateur radio personnel reported several trees and limbs downed by thunderstorm wind in Knoxville.

Thunderstorm Wind in KNOX, TENNESSEE
From 21-JUN-11 19:30:00 to 21-JUN-11 19:40:00 (EST-5)
Location: KNOXVILLE
Magnitude: 60.00 EG
Property damage: 30.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Amateur radio personnel reported numerous trees downed by thunderstorm wind in Knoxville. Wind also downed a tree on a house.

Thunderstorm Wind in HAMBLEN, TENNESSEE
From 21-JUN-11 19:45:00 to 21-JUN-11 19:55:00 (EST-5)
Location: MORRISTOWN
Magnitude: 55.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported a few trees downed by thunderstorm wind in the Talbott area.

Thunderstorm Wind in GRAINGER, TENNESSEE
From 21-JUN-11 19:55:00 to 21-JUN-11 20:05:00 (EST-5)
Location: RUTLEDGE
Magnitude: 60.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported numerous trees downed by thunderstorm wind in Rutledge.

Thunderstorm Wind in HAMBLEN, TENNESSEE
From 21-JUN-11 20:00:00 to 21-JUN-11 20:10:00 (EST-5)
Location: MORRISTOWN
Magnitude: 60.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement personnel reported numerous trees downed by thunderstorm wind in Morristown.

Thunderstorm Wind in SULLIVAN, TENNESSEE
From 21-JUN-11 20:12:00 to 21-JUN-11 20:20:00 (EST-5)
Location: COLONIAL HGTS
Magnitude: 55.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement personnel reported several trees downed by thunderstorm wind in Colonial Heights.

Thunderstorm Wind in SULLIVAN, TENNESSEE
From 21-JUN-11 20:20:00 to 21-JUN-11 20:30:00 (EST-5)
Location: BLOUNTVILLE
Magnitude: 55.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement personnel reported several trees downed by thunderstorm wind in Blountville.

Thunderstorm Wind in WASHINGTON, TENNESSEE
From 21-JUN-11 20:06:00 to 21-JUN-11 20:20:00 (EST-5)
Location: GRAY
Magnitude: 60.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement personnel reported numerous trees downed by thunderstorm wind in Gray.

Thunderstorm Wind in JOHNSON, TENNESSEE
From 21-JUN-11 22:00:00 to 21-JUN-11 22:10:00 (EST-5)
Location: BUTLER
Magnitude: 55.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement personnel reported a few trees downed by thunderstorm wind in the Butler area.