A potent upper-level storm system impacted the region on Sunday, July 27th, bringing several rounds of severe weather along with locally heavy rainfall. Three tornadoes were observed across east Tennessee; one classified as a strong, EF-3 tornado with winds of 140 mph. Additionally, there were several reports of straight-line wind damage and large hail up 2 to 3 inches in diameter! A storm system of this magnitude is highly unusual for this time of year due to the strength of the front and the record cool temperatures it produced in the middle of the Summer season.

Thunderstorm Wind in BLOUNT, TENNESSEE
From 27-JUL-14 23:45:00 to 27-JUL-14 23:45:00 (EST-5)
Location: TOWNSEND
Magnitude: 50.00 EG
Reported by: Park/Forest Service

A few trees were reported down along Foothills Parkway in Townsend.

Tornado in CLAIBORNE, TENNESSEE
From 27-JUL-14 16:59:00 to 27-JUL-14 17:02:00 (EST-5)
Location: SPEEDWELL
Tornado F-scale: EF3
Reported by: NWS Storm Survey

An EF3 tornado with estimated winds between 140 and 150 mph with a path length of 1.81 miles and 800 yard width, uprooted numerous trees and snapped several along the entire path. Structural damage varied from minor to major with the most significant damage noted in the Speedwell area near the end of the track.

Thunderstorm Wind in JOHNSON, TENNESSEE
From 27-JUL-14 18:30:00 to 27-JUL-14 18:30:00 (EST-5)
Location: LAUREL BLOOMERY
Magnitude: 50.00 EG
Reported by: State Official

A few trees were reported down in Laurel Bloomery.

Thunderstorm Wind in KNOX, TENNESSEE
From 27-JUL-14 18:40:00 to 27-JUL-14 18:40:00 (EST-5)
Location: WEST KNOXVILLE
Magnitude: 55.00 EG
Reported by: State Official

Numerous trees were reported down as the storms passed through Knoxville.

Thunderstorm Wind in ANDERSON, TENNESSEE
From 27-JUL-14 18:45:00 to 27-JUL-14 18:45:00 (EST-5)
Location: MILLS CREEK
Magnitude: 50.00 EG
Reported by: State Official

Two trees were reported down on Indian Gap Road in Andersonville.

Thunderstorm Wind in WASHINGTON, TENNESSEE
From 27-JUL-14 17:10:00 to 27-JUL-14 17:10:00 (EST-5)
Location: AUSTIN SPGS
Magnitude: 87.00 EG
Reported by: Broadcast Media

A woman was seriously injured when her car was blown across four lanes of Bristol Highway as she tried to drive to work. Her car ended up in a ditch along the highway.

Thunderstorm Wind in JEFFERSON, TENNESSEE
From 27-JUL-14 19:00:00 to 27-JUL-14 19:00:00 (EST-5)
Location: OAKLAND
Magnitude: 55.00 EG
Reported by: State Official

Several trees were reported down across the southern part of Jefferson County.

Thunderstorm Wind in BLOUNT, TENNESSEE
From 27-JUL-14 19:00:00 to 27-JUL-14 19:00:00 (EST-5)
Location: ALCOA
Magnitude: 50.00 EG
Reported by: State Official

Several trees were reported down in the Topside Road area just northwest of the Airport.

Thunderstorm Wind in BLOUNT, TENNESSEE
From 27-JUL-14 19:44:00 to 27-JUL-14 19:44:00 (EST-5)
Location: TOWNSEND
Magnitude: 60.00 EG
Reported by: State Official

Numerous trees were reported down on Highway 321 between Walland and Townsend.

Thunderstorm Wind in KNOX, TENNESSEE
From 27-JUL-14 19:50:00 to 27-JUL-14 19:50:00 (EST-5)
Location: WEST KNOXVILLE
Magnitude: 60.00 EG
Reported by: Public

A large tree fell on a bus stop shelter at University Heights Apartments located at 1319 Knotty Pine Way. The bus stop shelter was completely destroyed.

Thunderstorm Wind in SEVIER, TENNESSEE
From 27-JUL-14 19:53:00 to 27-JUL-14 19:53:00 (EST-5)
Location: CATLETTSBURG
Magnitude: 60.00 EG
Reported by: State Official

Several trees were reported down on Boyds Creek Road and East Park Lane.

Thunderstorm Wind in KNOX, TENNESSEE
From 27-JUL-14 19:51:00 to 27-JUL-14 19:51:00 (EST-5)
Location: WEST KNOXVILLE
Magnitude: 60.00 EG
Reported by: Public

Several trees were downed and an awning was removed from a Laundromat on Sevier Avenue near the Tennessee River and University Heights Apartments.

Thunderstorm Wind in SCOTT, TENNESSEE
From 27-JUL-14 21:50:00 to 27-JUL-14 21:50:00 (EST-5)
Location: HUNTSVILLE
Magnitude: 60.00 EG
Reported by: Emergency Manager

Several trees were downed and three homes had minor damage from thunderstorm wind gusts.

Thunderstorm Wind in GREENE, TENNESSEE
From 27-JUL-14 22:05:00 to 27-JUL-14 22:05:00 (EST-5)
Location: PINE GROVE
Magnitude: 50.00 EG
Reported by: State Official

A few trees were reported down along Woolsey Road.

Hail in SCOTT, TENNESSEE
From 27-JUL-14 14:41:00 to 27-JUL-14 14:41:00 (EST-5)
Location: WINFIELD
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Golf ball size hail was reported at Winfield.

Thunderstorm Wind in GREENE, TENNESSEE
From 27-JUL-14 22:20:00 to 27-JUL-14 22:20:00 (EST-5)
Location: THULA
Magnitude: 50.00 EG
Reported by: State Official

A few trees were reported down along Bibles Chapel Road.

Thunderstorm Wind in ANDERSON, TENNESSEE
From 27-JUL-14 22:20:00 to 27-JUL-14 22:20:00 (EST-5)
Location: ANDERSONVILLE
Magnitude: 50.00 EG
Reported by: Department of Highways

Several trees were reported down in Andersonville.

Thunderstorm Wind in ANDERSON, TENNESSEE
From 27-JUL-14 22:30:00 to 27-JUL-14 22:30:00 (EST-5)
Location: SOUTH CLINTON
Magnitude: 55.00 EG
Reported by: Department of Highways

Several trees were reported down in Clinton.

Thunderstorm Wind in HAWKINS, TENNESSEE
From 27-JUL-14 16:35:00 to 27-JUL-14 16:35:00 (EST-5)
Location: CHURCH HILL
Magnitude: 60.00 EG
Reported by: Broadcast Media

Several trees and power lines were reported down in Church Hill.

Hail in SULLIVAN, TENNESSEE
From 27-JUL-14 16:38:00 to 27-JUL-14 16:38:00 (EST-5)
Location: RIDGEFIELD
Magnitude: 1.75 
Reported by: Trained Spotter

Golf ball sized hail was reported three miles west of Kingsport.

Thunderstorm Wind in SULLIVAN, TENNESSEE
From 27-JUL-14 16:40:00 to 27-JUL-14 16:40:00 (EST-5)
Location: SPRINGDALE
Magnitude: 70.00 EG
Reported by: Amateur Radio

Several trees were reported down in Kingsport.

Funnel Cloud in LOUDON, TENNESSEE
From 27-JUL-14 19:15:00 to 27-JUL-14 19:15:00 (EST-5)
Location: WOODLAWN
Reported by: Trained Spotter

A funnel cloud was reported near Melton Hill Dam.

Hail in CAMPBELL, TENNESSEE
From 27-JUL-14 15:00:00 to 27-JUL-14 15:00:00 (EST-5)
Location: NEWCOMB
Magnitude: 1.75 
Reported by: State Official

Golf ball sized hail was reported four miles southwest of Jellico.

Hail in WASHINGTON, TENNESSEE
From 27-JUL-14 16:53:00 to 27-JUL-14 16:53:00 (EST-5)
Location: GRAY
Magnitude: 1.75 
Reported by: Amateur Radio

Golf ball sized hail was reported at Gray.

Hail in ANDERSON, TENNESSEE
From 27-JUL-14 18:20:00 to 27-JUL-14 18:20:00 (EST-5)
Location: NORRIS
Magnitude: 1.00 
Reported by: Public

Quarter sized hail was reported at Norris.

Hail in JOHNSON, TENNESSEE
From 27-JUL-14 18:30:00 to 27-JUL-14 18:30:00 (EST-5)
Location: LAUREL BLOOMERY
Magnitude: 1.00 
Reported by: State Official

Quarter sized hail was reported at Laurel Bloomery.

Hail in ANDERSON, TENNESSEE
From 27-JUL-14 18:57:00 to 27-JUL-14 18:57:00 (EST-5)
Location: SCARBORO
Magnitude: 1.00 
Reported by: Trained Spotter

Quarter size hail occurred one mile east of Oak Ridge.

Hail in BLOUNT, TENNESSEE
From 27-JUL-14 19:34:00 to 27-JUL-14 19:34:00 (EST-5)
Location: ALCOA
Magnitude: 1.00 
Reported by: Amateur Radio

Quarter sized hail was reported on Cusick Road.

Hail in KNOX, TENNESSEE
From 27-JUL-14 19:42:00 to 27-JUL-14 19:42:00 (EST-5)
Location: BEAVER RIDGE
Magnitude: 1.00 
Reported by: Amateur Radio

Quarter sized hail was reported one mile east of Schaad Road in Karns.

Hail in KNOX, TENNESSEE
From 27-JUL-14 20:12:00 to 27-JUL-14 20:12:00 (EST-5)
Location: WEST KNOXVILLE
Magnitude: 1.00 
Reported by: Amateur Radio

Quarter sized hail was reported on Alcoa Highway approximately one half mile from University of Tennessee Medical Center.

Thunderstorm Wind in GREENE, TENNESSEE
From 27-JUL-14 22:30:00 to 27-JUL-14 22:30:00 (EST-5)
Location: CHUCKEY
Magnitude: 50.00 EG
Reported by: State Official

A few trees were reported down along Sandbar Road.

Thunderstorm Wind in GREENE, TENNESSEE
From 27-JUL-14 22:50:00 to 27-JUL-14 22:50:00 (EST-5)
Location: ROCKWOOD HILL
Magnitude: 50.00 EG
Reported by: State Official

A few trees were reported down along Susong Road five miles south southwest of Greeneville.

Thunderstorm Wind in BLEDSOE, TENNESSEE
From 27-JUL-14 22:10:00 to 27-JUL-14 22:10:00 (CST-6)
Location: TIPTOP
Magnitude: 50.00 EG
Reported by: Trained Spotter

A few trees were reported down along Highway 30 four miles north northwest of Pikeville.

Thunderstorm Wind in COCKE, TENNESSEE
From 27-JUL-14 23:15:00 to 27-JUL-14 23:15:00 (EST-5)
Location: NORTHPORT
Magnitude: 50.00 EG
Reported by: State Official

Two trees were reported down in Newport.

Thunderstorm Wind in COCKE, TENNESSEE
From 27-JUL-14 23:30:00 to 27-JUL-14 23:30:00 (EST-5)
Location: WHITE ROCK
Magnitude: 50.00 EG
Reported by: Park/Forest Service

A few trees were reported down along Foothills Parkway.

Thunderstorm Wind in GREENE, TENNESSEE
From 27-JUL-14 22:30:00 to 27-JUL-14 22:30:00 (EST-5)
Location: CHUCKEY
Magnitude: 50.00 EG
Reported by: State Official

A few trees were reported down along Sandbar Road.

Thunderstorm Wind in UNION, TENNESSEE
From 27-JUL-14 18:15:00 to 27-JUL-14 18:15:00 (EST-5)
Location: MAYNARDVILLE
Magnitude: 50.00 EG
Reported by: State Official

Two trees were reported down due to thunderstorm wind gusts. One tree was reported down in Maynardville and another in Corryton.

Tornado in WASHINGTON, TENNESSEE
From 27-JUL-14 16:47:00 to 27-JUL-14 17:02:00 (EST-5)
Location: ROCK SPGS
Tornado F-scale: EF0
Reported by: Public

An EF1 tornado occurred approximately three miles southwest of Colonial Heights with estimated peak winds around 100 mph along a 7.1 mile long path 300 yards in width. There were houses along the path with structural damage while one large barn was heavily damaged. Numerous trees were also downed in this area.

Tornado in SULLIVAN, TENNESSEE
From 27-JUL-14 16:45:00 to 27-JUL-14 16:46:00 (EST-5)
Location: ROCK SPGS
Tornado F-scale: EF1
Reported by: NWS Storm Survey

An EF1 tornado occurred approximately three miles west southwest of Colonial Heights. The tornado had estimated winds of 110 mph with a path length of 0.5 miles and a width of 50 yards. One house was heavily damaged and a few other houses and barns had some damage. Also, numerous trees were uprooted or snapped off.

Tornado in CAMPBELL, TENNESSEE
From 27-JUL-14 16:58:00 to 27-JUL-14 16:59:00 (EST-5)
Location: WELL SPG
Tornado F-scale: EF3
Reported by: NWS Storm Survey

An EF3 tornado with estimated winds between 140 and 150 mph with a path length of 2.85 miles and 800 yard width, uprooted numerous trees and snapped several along the entire path. Structural damage varied from minor to major with the most significant damage noted in the Speedwell area near the end of the track.

Hail in SEVIER, TENNESSEE
From 27-JUL-14 20:33:00 to 27-JUL-14 20:33:00 (EST-5)
Location: PITNER
Magnitude: 1.00 
Reported by: Amateur Radio

Quarter sized hail was reported in Seymour by a spotter and amateur radio.

Hail in SULLIVAN, TENNESSEE
From 27-JUL-14 16:42:00 to 27-JUL-14 16:42:00 (EST-5)
Location: SPRINGDALE
Magnitude: 2.75 
Reported by: Amateur Radio

Baseball size hail was reported in Kingsport.