Southward advancing cold pool caused the formation of severe convection in a moderately unstable atmosphere across Southeast Tennessee and Southwest North Carolina.

Hail in MEIGS, TENNESSEE
From 21-JUL-08 15:55:00 to 21-JUL-08 15:55:00 (EST-5)
Location: TEN MILE
Magnitude: 0.88 
Reported by: Trained Spotter

Nickel size hail fell at Ten Mile.

Hail in GRAINGER, TENNESSEE
From 21-JUL-08 16:40:00 to 21-JUL-08 16:40:00 (EST-5)
Location: HELTONVILLE
Magnitude: 0.88 
Reported by: Amateur Radio

Nickel size hail was reported on Helton Road five miles southwest of Bean Station.

Hail in JEFFERSON, TENNESSEE
From 21-JUL-08 16:55:00 to 21-JUL-08 16:55:00 (EST-5)
Location: FOUR PTS
Magnitude: 0.75 
Reported by: Law Enforcement

Penny size hail occurred ten miles west of Dandridge.

Hail in SEVIER, TENNESSEE
From 21-JUL-08 17:02:00 to 21-JUL-08 17:02:00 (EST-5)
Location: CATES XRDS
Magnitude: 0.75 
Reported by: Amateur Radio

Penny size hail occurred six miles north northeast of Sevierville.

Hail in HAMBLEN, TENNESSEE
From 21-JUL-08 17:05:00 to 21-JUL-08 17:05:00 (EST-5)
Location: MORRISTOWN
Magnitude: 1.00 
Reported by: NWS Employee

Quarter size hail was reported in Morristown.

Thunderstorm Wind in GRAINGER, TENNESSEE
From 21-JUL-08 14:25:00 to 21-JUL-08 14:25:00 (EST-5)
Location: ROCK HAVEN
Magnitude: 55.00 EG
Reported by: Emergency Manager

Trees and power lines were reported down five miles west of Bean Station.

Thunderstorm Wind in ROANE, TENNESSEE
From 21-JUL-08 15:15:00 to 21-JUL-08 15:15:00 (EST-5)
Location: ROCKWOOD
Magnitude: 55.00 EG
Reported by: Amateur Radio

Numerous trees were reported down in Rockwood.

Thunderstorm Wind in KNOX, TENNESSEE
From 21-JUL-08 16:50:00 to 21-JUL-08 16:50:00 (EST-5)
Location: THREE PTS
Magnitude: 55.00 EG
Reported by: NWS Employee

A few trees were reported down along highway 11E.

Thunderstorm Wind in BLOUNT, TENNESSEE
From 21-JUL-08 17:08:00 to 21-JUL-08 17:08:00 (EST-5)
Location: WALLAND
Magnitude: 55.00 EG
Reported by: Amateur Radio

A few trees were reported down in Walland.

Thunderstorm Wind in SCOTT, TENNESSEE
From 21-JUL-08 15:25:00 to 21-JUL-08 15:25:00 (EST-5)
Location: ONEIDA
Magnitude: 55.00 EG
Reported by: Law Enforcement

A few trees were reported down in Oneida.

Thunderstorm Wind in CAMPBELL, TENNESSEE
From 21-JUL-08 15:45:00 to 21-JUL-08 15:45:00 (EST-5)
Location: FORDTOWN
Magnitude: 55.00 EG
Reported by: Law Enforcement

Numerous trees and power lines were reported down.

Thunderstorm Wind in ANDERSON, TENNESSEE
From 21-JUL-08 16:20:00 to 21-JUL-08 16:20:00 (EST-5)
Location: MILLS CREEK
Magnitude: 55.00 EG
Reported by: Law Enforcement

Several trees were reported down three miles north northeast of Norris.

Thunderstorm Wind in MCMINN, TENNESSEE
From 21-JUL-08 16:45:00 to 21-JUL-08 16:45:00 (EST-5)
Location: FIKETON
Magnitude: 55.00 EG
Reported by: Law Enforcement

Four trees were reported down on County Route 188.

Thunderstorm Wind in BRADLEY, TENNESSEE
From 21-JUL-08 17:25:00 to 21-JUL-08 17:25:00 (EST-5)
Location: CLEVELAND
Magnitude: 55.00 EG
Reported by: Amateur Radio

Two trees were reported down east of I-75.

Thunderstorm Wind in BLOUNT, TENNESSEE
From 21-JUL-08 17:30:00 to 21-JUL-08 17:30:00 (EST-5)
Location: MARYVILLE
Magnitude: 55.00 EG
Reported by: Law Enforcement

Several trees were reported down in Maryville.

Thunderstorm Wind in KNOX, TENNESSEE
From 21-JUL-08 17:30:00 to 21-JUL-08 17:30:00 (EST-5)
Location: WEST KNOXVILLE
Magnitude: 55.00 EG
Reported by: Law Enforcement

Trees and power lines were reported down in Knoxville.

Thunderstorm Wind in HAMILTON, TENNESSEE
From 21-JUL-08 17:45:00 to 21-JUL-08 17:45:00 (EST-5)
Location: CHICKAMAUGA
Magnitude: 55.00 EG
Reported by: Law Enforcement

Several trees were reported down across the county.

Thunderstorm Wind in HAMILTON, TENNESSEE
From 21-JUL-08 18:15:00 to 21-JUL-08 18:15:00 (EST-5)
Location: LAKE VISTA
Magnitude: 55.00 EG
Reported by: Law Enforcement

Several trees were reported down in East Ridge.

Thunderstorm Wind in MARION, TENNESSEE
From 21-JUL-08 17:20:00 to 21-JUL-08 17:20:00 (CST-6)
Location: WHITWELL
Magnitude: 50.00 EG
Reported by: Law Enforcement

One tree was reported down on Shirley Loop.