The following events were reported: Hail, Lightning, Thunderstorm Wind. These occurred near station USW00013874, approximately 32.4333 km away, between 2011-04-04 21:13:00 and 2011-04-04 23:50:00. The events included records with hailstones measuring 32.31578947368421 inches.The events resulted in 1 injuries and 1 fatalities. The events caused property damage valued at 6175000.0 and crop damage of 0.0. Episode Narrative: An extremely progressive and highly kinematic upper flow remained in place across the U.S. A deep, full-latitude negatively tilted trough and associated strong Pacific cold front swept through the eastern U.S. April 4th into April 5th. An intense northeast to southwest oriented squall line of thunderstorms accompanied this front. Wind gusts of 60 to 70 mph were common along this line of thunderstorms as it traversed the entire Peachtree City (WFO FFC),  Georgia Weather Forecast county warning area. Nearly every county received at least one severe thunderstorm warning during this event and nearly every county experienced extensive wind damage from these thunderstorms. Two brief EF0 tornadoes also occurred with this event in Gilmer county of north central Georgia. Downed trees on homes and vehicles also caused 7 fatalities during this event, the most in any single weather event since the catastrophic floods of late September 2009. Even several hours after the storms had passed, at least 50,000 residents of north and central Georgia remained without power. An extremely progressive and highly kinematic upper flow remained in place across the U.S. Event Narrative: The public observed golf ball-sized hail in the McClendon Creek subdivision. The only area of the county where WSR-88D radar data suggested that hail of this size would have occurred was near Browning in the far southeast part of the county. The Fayette County 911 Center reported that over two dozen trees were down across the north end of the county, especially in the Sandy Creek, Kenwood, and west Fayetteville areas. Trees were down on along Georgia Highway 92 near the Fulton County line, on Sandy Creek Road, Gingercake Lane, and Kenwood Road. The Fayette County Emergency Management Director reported that a suspected microburst caused caused damage to the roof of Fire Station No. 3 in Tyrone. The public observed golf ball-sized hail near Hampton. WSR-88D radar data suggests that golf ball-sized hail was more likely observed near Luella and Locust Grove, with quarter-sized hail near Hampton. The public observed golf ball-sized hail approximately five miles southwest of Palmetto near Cannongate near the intersection of Georgia Highway 54 and U.S. Highway 29. The Fulton County Emergency Management Director reported that several trees and power lines were down across the south end of the county from Palmetto to College Park, but a number of trees were down across the central and northern part of the county as well. Trees were down on Old National Highway/Georgia Highway 279 and also Flat Shoals Road. Several large trees also fell across the Georgia Tech campus, just north of downtown Atlanta. One large downed tree caused significant damage to two dormitories and resulted in the displacement of 32 residents. The public reported that trees and power lines were down in the central and northern part of the county in the Midtown area of Atlanta. While not occurring during this actual event, a tree, weakened by the strong winds of these thunderstorms, fell on a 22-year old male in north Atlanta at 815 am EDT the next morning. Widespread power outages were also reported throughout Atlanta and much of Fulton county following this event. The Coweta County 911 Center reported widespread tree and power line damage throughout the county. Several dozen trees were down across the county, as well as many power lines. A damage survey conducted by the National Weather Service Forecast Office in Peachtree City, Georgia confirmed that extensive damage to trees and minor damage to structures along Georgia Highway 5 near Whitesburg in the southeast corner of Carroll county was the result of straight line thunderstorm winds and not a tornado. Hundreds of trees were flattened along a five mile long path beginning near the intersection of Georgia Highway 5 and Reese Road traveling northeast to near the intersection of Georgia Highway 5 and Ringer Road. Minor roof damage was noted to a few homes along the westernmost portion of the path. Two trees were also down just north of Carrollton from a separate part of the line of thunderstorms. The damage near Whitesburg appeared to be the result of a localized downburst along the line of severe thunderstorms or QLCS. The Clayton County Emergency Management Director reported that several trees and power lines were down across the county, but mostly in the Jonesboro and northeast part of the county. The Carroll County 911 Center reported penny-sized hail near Villa Rica. WSR-88D suggested that similar-sized hail likely fell from the Haralson county line, just north of Abilene to Villa Rica. The Cobb County 911 Center reported that several trees and power lines were down in the northwest part of the county near Kennesaw. The Cobb County 911 Center reported that a second area of thunderstorm wind damage was observed in the southern part of the county. Several trees and power lines were down from Austell to Mableton and eastward toward the Fulton county line. Reports from the public and the Newton County 911 Center indicated that between five and six dozen trees were down in the western part of the county near the Rockdale county line. A number of power lines were also down in this area as well. Many trees and power lines were down in other parts of the county as well. One mobile home sustained damage from a downed tree. Up to 15 roads were closed as a result of downed trees and power lines. Amateur radio operators relayed several reports of quarter-sized hail from Austell to Smyrna. The Douglas County Emergency Management Director reported quarter-sized hail around Douglasville. WSR-88D radar data suggests that quarter-sized hail likely fell across much of northern Douglas county from just northwest of Douglasville to Sweetwater Creek State Park. The public reported that a tree was down on a houe and a vehicle in Chapel Hill. The Douglas County 911 Center reported that another tree was down on a power line in Douglasville. The Henry County Emergency Management Director reported significant and widespread damage across the county from downed trees. Fourteen homes across the county were damaged from downed trees. At one of the affected homes, a person was trapped and injured. The person was later extricated and taken to a local medical facility. Seventy-five roads across the county were impacted by downed trees and power lines, including Interstate-75 near mile marker 216. Numerous reports of thunderstorm wind damage were received from the Gwinnett County 911 Center, amateur radio operators, and the public across the entire county. At least two reports of wind gusts near 58 mph were also received. Wind damage was widespread with dozens of trees and power lines down throughout the county from Norcross to Lilburn, Lawrenceville, Dacula, and Grayson. Less damage was noted in the northern part of the county. The most significant damage appeared to be in the Lilburn area, where several homes suffered structural damage from downed trees. The public observed quarter to possibly larger-sized hail. The Spalding County Emergency Management Director reported extensive damage to trees and power lines throughout the county. Several homes were damaged from downed trees. The Henry County Emergency Management Director reported that two homes in the county sustained minor damage from lightning-related fires.