The remnants of the cold front that sparked convection on the afternoon of the 16th remained as a weak boundary across central Georgia on the 17th.  Meanwhile an upper trough pushed east of the area, and an upper level low developed across the Southeast.  Numerous thunderstorms developed during the afternoon, and several became severe with reports of large hail and wind damage.

Hail in MARION, GEORGIA
From 17-MAY-12 18:30:00 to 17-MAY-12 18:35:00 (EST-5)
Location: DRANEVILLE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The Marion County Emergency Manager reported that dime to penny sized hail fell south of Buena Vista.

Hail in COBB, GEORGIA
From 17-MAY-12 18:32:00 to 17-MAY-12 18:37:00 (EST-5)
Location: MARIETTA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The public reported that nickel to quarter sized hail fell in Marietta.

Hail in WEBSTER, GEORGIA
From 17-MAY-12 18:40:00 to 17-MAY-12 18:45:00 (EST-5)
Location: PRESTON
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The Webster County Emergency Manager reported that penny sized hail fell north of Preston.

Hail in COBB, GEORGIA
From 17-MAY-12 19:04:00 to 17-MAY-12 19:14:00 (EST-5)
Location: MARIETTA
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Multiple reports were received from trained spotters and the public of large hail in Cobb County.  Hail covered the ground in portions of Marietta and Smyrna, and generally ranged from dime to half dollar size.

Hail in FULTON, GEORGIA
From 17-MAY-12 19:20:00 to 17-MAY-12 19:25:00 (EST-5)
Location: FAIRBURN
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The public reported that pea to dime sized hail fell just west of Fairburn.

Hail in COBB, GEORGIA
From 17-MAY-12 19:25:00 to 17-MAY-12 19:30:00 (EST-5)
Location: LELAND
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The public reported quarter sized hail near Mabelton.

Lightning in FULTON, GEORGIA
From 17-MAY-12 18:30:00 to 17-MAY-12 18:30:00 (EST-5)
Location: ALPHARETTA
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Public

The public reported that a large maple tree in front of a house was struck by lightning.  Bark blew off the tree into the surrounding neighborhood yards.

Hail in DAWSON, GEORGIA
From 17-MAY-12 20:20:00 to 17-MAY-12 20:25:00 (EST-5)
Location: BRIGHT
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The public reported that quarter sized hail fell on Grizzle Farm Road southeast of Dawsonville.

Thunderstorm Wind in FORSYTH, GEORGIA
From 17-MAY-12 18:05:00 to 17-MAY-12 18:05:00 (EST-5)
Location: DUNN
Magnitude: 50.00 EG
Property damage: 30.00K
Crop damage: 0.00K
Reported by: County Official

The Forsyth County 911 Center reported that multiple trees were blown down off of Catalina Drive.  One tree fell on a house.

Thunderstorm Wind in COBB, GEORGIA
From 17-MAY-12 19:00:00 to 17-MAY-12 19:00:00 (EST-5)
Location: MT BETHEL
Magnitude: 45.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Broadcast Media

A Weather Channel employee reported that a large tree was blown down on Cherokee Place.  Additionally, a large tree limb or portion of a tree fell on a house on Settlers Court, causing minor roof damage to the house.