A deep upper trough, located across the eastern U.S., was helping to push a strong cold front into the southeast U.S.  Unseasonably cool air was noted behind the front.  With a warm, humid unstable air mass ahead of the front, scattered to numerous thunderstorms developed across northwest Georgia during the afternoon and moved southeast into the remainder of north and parts of central Georgia during the evening hours.  Many of these thunderstorms produced frequent cloud-to-ground lightning and a few became severe.  Several homes in the Atlanta area were struck by lightning and one person was injured from a lightning strike in Paulding county.

Lightning in PAULDING, GEORGIA
From 21-AUG-09 19:50:00 to 21-AUG-09 21:00:00 (EST-5)
Location: BRASWELL
Property damage: 250.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The Paulding County Emergency Management Director reported that at least nine homes across the county were struck by lightning.  Two of these lightning strikes resulted in fires and damage to the structures.  In addition, one individual approximately three miles north-northeast of New Georgia was injured as a result of a lightning strike.  Lightning also struck a power line approximately three miles north-northeast of New Georgia in the southern part of the county, causing the power line to fall.

Thunderstorm Wind in FLOYD, GEORGIA
From 21-AUG-09 19:01:00 to 21-AUG-09 19:25:00 (EST-5)
Location: ROME
Magnitude: 54.00 EG
Property damage: 225.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The Floyd County Emergency Management Director reported that strong thunderstorm winds blew down over 50 trees from just south of Rome to Cave Spring and just southeast of Lindale.  Two homes suffered considerable damage from the downed trees.  One of these homes was on the west side of Rome on Mountain Chase Road.  Several power lines were also down throughout the same areas.  Doppler radar detected a significant downburst in the area at the time.

Thunderstorm Wind in PAULDING, GEORGIA
From 21-AUG-09 20:05:00 to 21-AUG-09 21:00:00 (EST-5)
Location: DALLAS
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The Paulding County Emergency Management Director reported that four trees were down in the north part of the county and at least three trees were down in the south part of the county.  Doppler radar indicated a downburst traveled across much of the county from northwest to southeast.

Hail in PAULDING, GEORGIA
From 21-AUG-09 20:50:00 to 21-AUG-09 20:52:00 (EST-5)
Location: DALLAS
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The public observed penny-sized hail near Dallas.

Lightning in COBB, GEORGIA
From 21-AUG-09 20:35:00 to 21-AUG-09 20:35:00 (EST-5)
Location: MARIETTA
Property damage: 0.50K
Crop damage: 0.00K
Reported by: County Official

The Cobb County 911 Center reported that lightning struck a tree and caused it to fall across a road.

Thunderstorm Wind in CRAWFORD, GEORGIA
From 21-AUG-09 20:34:00 to 21-AUG-09 20:35:00 (EST-5)
Location: KNOXVILLE
Magnitude: 50.00 EG
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Public

The public reported that a poultry house collapsed from very localized thunderstorm downburst winds.  A very small thunderstorm was noted in the area at the time.  The damaged occurred approximately four miles southeast of the county courthouse in Knoxville.