A broad trough of low pressure aloft continued across the western Atlantic.  Deep north to north-northeast flow was noted aloft across the southeastern U.S.  A backdoor cold front was moving southwest into South Carolina and Georgia.  Considerable moisture and instability was present across the region as the front drifted southwest into northeast Georgia.  Scattered to numerous showers and thunderstorms developed across the region in advance of the front, then drifted southwest with the mean upper flow.  Several of the storms became severe producing quarter-sized hail and damaging downburst winds.  In addition, frequent to excessive cloud-to-ground lightning was observed with the storms.  At least one lightning-related fire was reported.

Hail in MURRAY, GEORGIA
From 28-MAY-10 12:55:00 to 28-MAY-10 13:07:00 (EST-5)
Location: RAMHURST
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Park/Forest Service

The Georgia Forestry Commission reported quarter-sized hail from the Chattahoochee National Forest area around Ramhurst.

Hail in GILMER, GEORGIA
From 28-MAY-10 12:55:00 to 28-MAY-10 12:57:00 (EST-5)
Location: TAILS CREEK
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The Gilmer County Emergency Management Director reported quarter-sized hail in the extreme western part of Gilmer county near the Murray county line, between Tails Creek and the Gilmer county line along Georgia Highway 282/U.S. Highway 76.

Lightning in PIKE, GEORGIA
From 28-MAY-10 15:30:00 to 28-MAY-10 15:40:00 (EST-5)
Location: MEANSVILLE
Property damage: 25.00K
Crop damage: 0.00K
Reported by: County Official

The Pike County 911 Center reported that two homes were struck by lightning.  No further information or damage details were provided.

Thunderstorm Wind in CHATTOOGA, GEORGIA
From 28-MAY-10 15:20:00 to 28-MAY-10 15:25:00 (EST-5)
Location: SUMMERVILLE
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The Chattooga County Emergency Management Director reported that several trees and power lines were down around Summerville.  Washington Street at Georgia Highway 48 was closed from downed trees.

Thunderstorm Wind in HARALSON, GEORGIA
From 28-MAY-10 15:36:00 to 28-MAY-10 15:49:00 (EST-5)
Location: BREMEN
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The Haralson County Emergency Management Director reported that at least six trees and two to three power lines were down between Bremen, Buchanan, and Tallapoosa.  Most of the reports of downed trees and power lines were south of Georgia Highway 120, across the southern part of the county.  An empty 55-gallon drum was rolled across a parking lot in Buchanan.

Hail in HARALSON, GEORGIA
From 28-MAY-10 15:36:00 to 28-MAY-10 15:49:00 (EST-5)
Location: BREMEN
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The Haralson County Emergency Management Director reported a large amount of pea-sized hail with some nickel-sized hail between Bremen and Buchanan.

Hail in FULTON, GEORGIA
From 28-MAY-10 17:10:00 to 28-MAY-10 17:15:00 (EST-5)
Location: ATLANTA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

An amateur radio operator observed quarter-sized hail in the vicinity of Roswell Road and Irby Road in the Buckhead community.

Lightning in DOUGLAS, GEORGIA
From 28-MAY-10 15:41:00 to 28-MAY-10 15:41:00 (EST-5)
Location: DOUGLASVILLE
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Newspaper

The Douglas County Sentinel reported that lightning struck the county's 911 Center tower rendering the severe weather warning sirens for the city inoperative.