A mesoscale system moved southeast out of the Lower Ohio Valley into the Southern Appalachian region producing mainly wind damage and a few reports of large hail.

Thunderstorm Wind in GRAINGER, TENNESSEE
From 26-JUN-18 15:05:00 to 26-JUN-18 15:05:00 (EST-5)
Location: BEAN STATION
Magnitude: 50.00 EG
Reported by: State Official

Two trees were reported down.

Hail in CAMPBELL, TENNESSEE
From 26-JUN-18 15:10:00 to 26-JUN-18 15:10:00 (EST-5)
Location: FORDTOWN
Magnitude: 1.75 
Reported by: Broadcast Media

Golfball size hail was reported.

Hail in HAMBLEN, TENNESSEE
From 26-JUN-18 15:20:00 to 26-JUN-18 15:20:00 (EST-5)
Location: RUSSELLVILLE
Magnitude: 1.00 
Reported by: Public

Quarter size hail was reported.

Hail in KNOX, TENNESSEE
From 26-JUN-18 15:20:00 to 26-JUN-18 15:20:00 (EST-5)
Location: WEST KNOXVILLE
Magnitude: 1.00 
Reported by: Law Enforcement

Quarter size hail was reported.

Thunderstorm Wind in HAMBLEN, TENNESSEE
From 26-JUN-18 15:25:00 to 26-JUN-18 15:25:00 (EST-5)
Location: WHITESBURG
Magnitude: 50.00 EG
Reported by: State Official

Several trees were reported down.

Thunderstorm Wind in CAMPBELL, TENNESSEE
From 26-JUN-18 15:30:00 to 26-JUN-18 15:30:00 (EST-5)
Location: FINCASTLE
Magnitude: 50.00 EG
Reported by: State Official

Several trees were reported down.

Thunderstorm Wind in MORGAN, TENNESSEE
From 26-JUN-18 15:40:00 to 26-JUN-18 15:40:00 (EST-5)
Location: WARTBURG
Magnitude: 50.00 EG
Reported by: State Official

Several trees were reported down.

Thunderstorm Wind in UNION, TENNESSEE
From 26-JUN-18 15:45:00 to 26-JUN-18 15:45:00 (EST-5)
Location: SHARPS CHAPEL
Magnitude: 50.00 EG
Reported by: State Official

Numerous trees were reported down; mainly across the eastern and northeastern parts of the county.

Thunderstorm Wind in KNOX, TENNESSEE
From 26-JUN-18 15:55:00 to 26-JUN-18 15:55:00 (EST-5)
Location: HALLS XRDS
Magnitude: 50.00 EG
Reported by: NWS Employee

One large tree was reported down.

Thunderstorm Wind in KNOX, TENNESSEE
From 26-JUN-18 16:15:00 to 26-JUN-18 16:15:00 (EST-5)
Location: WEST KNOXVILLE
Magnitude: 50.00 EG
Reported by: State Official

Several trees were reported down.

Hail in KNOX, TENNESSEE
From 26-JUN-18 16:20:00 to 26-JUN-18 16:20:00 (EST-5)
Location: WEST KNOXVILLE
Magnitude: 1.00 
Reported by: Law Enforcement

Quarter size hail was reported.

Thunderstorm Wind in ROANE, TENNESSEE
From 26-JUN-18 16:20:00 to 26-JUN-18 16:20:00 (EST-5)
Location: HARRIMAN
Magnitude: 50.00 EG
Reported by: State Official

Several trees were reported down.

Thunderstorm Wind in GREENE, TENNESSEE
From 26-JUN-18 16:30:00 to 26-JUN-18 16:30:00 (EST-5)
Location: CEDAR CREEK
Magnitude: 50.00 EG
Reported by: State Official

A few trees were reported down.

Thunderstorm Wind in SEVIER, TENNESSEE
From 26-JUN-18 16:40:00 to 26-JUN-18 16:40:00 (EST-5)
Location: CATLETTSBURG
Magnitude: 50.00 EG
Reported by: State Official

Several trees were reported down.

Thunderstorm Wind in LOUDON, TENNESSEE
From 26-JUN-18 16:45:00 to 26-JUN-18 16:45:00 (EST-5)
Location: HIGHLAND PARK
Magnitude: 50.00 EG
Reported by: State Official

Two trees were reported down.

Thunderstorm Wind in LOUDON, TENNESSEE
From 26-JUN-18 16:50:00 to 26-JUN-18 16:50:00 (EST-5)
Location: LOUDON
Magnitude: 50.00 EG
Reported by: State Official

A few trees were reported down.

Thunderstorm Wind in RHEA, TENNESSEE
From 26-JUN-18 16:55:00 to 26-JUN-18 16:55:00 (EST-5)
Location: SPRING CITY
Magnitude: 50.00 EG
Reported by: State Official

Several trees were reported down.

Thunderstorm Wind in MCMINN, TENNESSEE
From 26-JUN-18 17:35:00 to 26-JUN-18 17:35:00 (EST-5)
Location: ATHENS
Magnitude: 50.00 EG
Reported by: State Official

A few trees and power lines were reported down.

Thunderstorm Wind in HAMILTON, TENNESSEE
From 26-JUN-18 19:10:00 to 26-JUN-18 19:10:00 (EST-5)
Location: EAST RIDGE
Magnitude: 50.00 EG
Reported by: Emergency Manager

A small tree was reported down on a home.