Weak low level  meso-scale convective vorticity maximum over middle Tennessee created forcing for ascent.  Pulse convection developed in a region of moderate instability and weak deep layer shear affecting Southeast Tennessee and Southwest North Carolina.

Thunderstorm Wind in BRADLEY, TENNESSEE
From 15-MAY-09 19:13:00 to 15-MAY-09 19:13:00 (EST-5)
Location: CLEVELAND
Magnitude: 50.00 EG
Reported by: Law Enforcement

Trees were reported down on power lines.

Hail in BRADLEY, TENNESSEE
From 15-MAY-09 19:30:00 to 15-MAY-09 19:30:00 (EST-5)
Location: CLEVELAND
Magnitude: 1.00 
Reported by: Public

Quarter size hail was reported.

Thunderstorm Wind in LOUDON, TENNESSEE
From 15-MAY-09 16:10:00 to 15-MAY-09 16:10:00 (EST-5)
Location: LOUDON
Magnitude: 55.00 EG
Reported by: Newspaper

Thunderstorm winds knocked a large tree onto the Loudon County Courthouse damaging a portion of the roof's metal overhang and also breaking some of the glass in the building's windows.

Thunderstorm Wind in LOUDON, TENNESSEE
From 15-MAY-09 16:50:00 to 15-MAY-09 16:50:00 (EST-5)
Location: LOUDON
Magnitude: 55.00 EG
Reported by: Law Enforcement

A few trees were reported down in Loudon.

Hail in KNOX, TENNESSEE
From 15-MAY-09 16:55:00 to 15-MAY-09 16:55:00 (EST-5)
Location: HALLS XRDS
Magnitude: 0.88 
Reported by: Trained Spotter

Nickel size hail was reported at Halls Crossroads.

Hail in KNOX, TENNESSEE
From 15-MAY-09 16:59:00 to 15-MAY-09 16:59:00 (EST-5)
Location: HALLS XRDS
Magnitude: 1.00 
Reported by: Public

Quarter size hail was reported at Halls Crossroads.

Thunderstorm Wind in HAMILTON, TENNESSEE
From 15-MAY-09 17:30:00 to 15-MAY-09 17:30:00 (EST-5)
Location: HIXON
Magnitude: 50.00 EG
Reported by: Department of Highways

Numerous trees were reported down in the vicinity of Hixson and from near Hixson to Harrison.

Thunderstorm Wind in ROANE, TENNESSEE
From 15-MAY-09 17:30:00 to 15-MAY-09 17:30:00 (EST-5)
Location: KINGSTON
Magnitude: 50.00 EG
Reported by: Law Enforcement

Trees and power lines were reported down in Kingston.

Thunderstorm Wind in MCMINN, TENNESSEE
From 15-MAY-09 17:32:00 to 15-MAY-09 17:32:00 (EST-5)
Location: ATHENS
Magnitude: 50.00 EG
Reported by: Law Enforcement

Several trees were reported down in Athens and other parts of the county.

Thunderstorm Wind in ANDERSON, TENNESSEE
From 15-MAY-09 18:00:00 to 15-MAY-09 18:00:00 (EST-5)
Location: ELZA
Magnitude: 50.00 EG
Reported by: Department of Highways

A few trees were reported down along Wolf Valley Road.

Hail in MORGAN, TENNESSEE
From 15-MAY-09 12:50:00 to 15-MAY-09 12:50:00 (EST-5)
Location: SUNBRIGHT
Magnitude: 0.75 
Reported by: Law Enforcement

Penny size hail was reported at Chestnut Ridge near Sunbright.

Thunderstorm Wind in BLOUNT, TENNESSEE
From 15-MAY-09 14:20:00 to 15-MAY-09 14:20:00 (EST-5)
Location: PROSPECT
Magnitude: 50.00 EG
Reported by: Utility Company

A few trees were reported down on power lines.

Hail in BLOUNT, TENNESSEE
From 15-MAY-09 15:05:00 to 15-MAY-09 15:05:00 (EST-5)
Location: HAPPY VLY
Magnitude: 0.88 
Reported by: Trained Spotter

Nickle size hail was reported in Blount County just north of Tallassee.

Thunderstorm Wind in JEFFERSON, TENNESSEE
From 15-MAY-09 16:00:00 to 15-MAY-09 16:00:00 (EST-5)
Location: DANDRIDGE
Magnitude: 50.00 EG
Reported by: Law Enforcement

A few trees were reported down in Dandridge.

Thunderstorm Wind in LOUDON, TENNESSEE
From 15-MAY-09 16:10:00 to 15-MAY-09 16:10:00 (EST-5)
Location: LOUDON
Magnitude: 55.00 EG
Reported by: Law Enforcement

Numerous trees were reported down in Loudon.

Thunderstorm Wind in LOUDON, TENNESSEE
From 15-MAY-09 16:10:00 to 15-MAY-09 16:10:00 (EST-5)
Location: HIGHLAND PARK
Magnitude: 55.00 EG
Reported by: Law Enforcement

Numerous trees were reported down in Lenoir City. Some of the trees had fallen on homes.

Thunderstorm Wind in ROANE, TENNESSEE
From 15-MAY-09 17:00:00 to 15-MAY-09 17:00:00 (EST-5)
Location: MIDTOWN
Magnitude: 50.00 EG
Reported by: Law Enforcement

A few trees were reported down in the vicinity of Midtown.