An area of thunderstorms developing ahead of a cold front moved across northern portions of Upstate South Carolina during the morning, producing isolated wind damage. After a lull of a few hours, more numerous storms developed during the heat of the afternoon, producing more widespread severe weather, mainly in the form of large hail.

Thunderstorm Wind in OCONEE, SOUTH CAROLINA
From 20-APR-15 06:48:00 to 20-APR-15 06:48:00 (EST-5)
Location: WESTMINSTER
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Emergency Manager

EM reported mutliple trees blown down in the Westminster area, with one tree down on a home.

Thunderstorm Wind in OCONEE, SOUTH CAROLINA
From 20-APR-15 07:00:00 to 20-APR-15 07:00:00 (EST-5)
Location: NEWRY
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

EM reported multiple trees and power lines blown down in the Forest Dr area.

Hail in GREENVILLE, SOUTH CAROLINA
From 20-APR-15 12:30:00 to 20-APR-15 12:30:00 (EST-5)
Location: FAIRVIEW
Magnitude: 1.25 
Reported by: Public

Public reported hail up to the size of half dollars off Highway 290.

Hail in GREENVILLE, SOUTH CAROLINA
From 20-APR-15 12:54:00 to 20-APR-15 12:54:00 (EST-5)
Location: TRAVELERS REST
Magnitude: 1.00 
Reported by: 911 Call Center

County comms reported quarter size hail in Travelers Rest.

Hail in GREENVILLE, SOUTH CAROLINA
From 20-APR-15 13:02:00 to 20-APR-15 13:02:00 (EST-5)
Location: JORDON
Magnitude: 0.88 
Reported by: Trained Spotter

Spotter reported nickel size hail near the Lake Robinson Dam.

Hail in GREENVILLE, SOUTH CAROLINA
From 20-APR-15 13:18:00 to 20-APR-15 13:18:00 (EST-5)
Location: MARIETTA
Magnitude: 0.75 
Reported by: Amateur Radio

HAM radio operator reported penny size  hail.

Hail in GREENVILLE, SOUTH CAROLINA
From 20-APR-15 13:25:00 to 20-APR-15 13:25:00 (EST-5)
Location: MT VIEW
Magnitude: 2.00 
Reported by: CoCoRaHS

CoCoRahs observer reported up to 2-inch diameter hail.

Hail in GREENVILLE, SOUTH CAROLINA
From 20-APR-15 13:46:00 to 20-APR-15 13:54:00 (EST-5)
Location: TAYLORS
Magnitude: 1.75 
Reported by: Trained Spotter

Spotter reported up to golf ball size hail near Taylors. Another spotter reported quarter size hail just north of Greer. At least one other quarter size hail report was received from the Greer area.

Hail in GREENVILLE, SOUTH CAROLINA
From 20-APR-15 14:11:00 to 20-APR-15 14:11:00 (EST-5)
Location: RENFREW
Magnitude: 0.75 
Reported by: Trained Spotter

Spotter reported 3/4 inch hail.

Hail in GREENVILLE, SOUTH CAROLINA
From 20-APR-15 14:15:00 to 20-APR-15 14:15:00 (EST-5)
Location: MONTAGUE
Magnitude: 1.00 
Reported by: Public

Public reported quarter size hail in Paris Mountain State Park.

Hail in OCONEE, SOUTH CAROLINA
From 20-APR-15 12:33:00 to 20-APR-15 12:33:00 (EST-5)
Location: SALEM
Magnitude: 1.00 
Reported by: 911 Call Center

County comms reported quarter size hail south of Salem.

Hail in OCONEE, SOUTH CAROLINA
From 20-APR-15 13:25:00 to 20-APR-15 13:25:00 (EST-5)
Location: WALHALLA
Magnitude: 1.00 
Reported by: Trained Spotter

Spotters reported penny to quarter size hail in the Walhalla area.

Hail in OCONEE, SOUTH CAROLINA
From 20-APR-15 13:39:00 to 20-APR-15 13:39:00 (EST-5)
Location: SALEM
Magnitude: 1.00 
Reported by: Trained Spotter

Spotter reported quarter size hail.

Hail in OCONEE, SOUTH CAROLINA
From 20-APR-15 14:32:00 to 20-APR-15 14:32:00 (EST-5)
Location: FAIR PLAY
Magnitude: 1.00 
Reported by: Trained Spotter

Spotter reported quarter size hail.

Hail in PICKENS, SOUTH CAROLINA
From 20-APR-15 12:40:00 to 20-APR-15 12:40:00 (EST-5)
Location: SIX MILE
Magnitude: 1.00 
Reported by: Public

Public reported quarter size hail near Six Mile.

Hail in PICKENS, SOUTH CAROLINA
From 20-APR-15 13:05:00 to 20-APR-15 13:05:00 (EST-5)
Location: CROW CREEK
Magnitude: 1.00 
Reported by: 911 Call Center

County comms reported quarter size hail on Midway Rd (4.5 N Pickens). Spotter reported quarter size hail on Old Glassy Mountain Rd (3.5 NE). At least one other report of quarter size hail was received from this area.

Hail in PICKENS, SOUTH CAROLINA
From 20-APR-15 13:54:00 to 20-APR-15 13:54:00 (EST-5)
Location: PICKENS CO ARPT
Magnitude: 1.75 
Reported by: Public

Public reported golf ball size hail near Liberty. Spotter reported penny size hail in Pickens.

Hail in CHEROKEE, SOUTH CAROLINA
From 20-APR-15 13:41:00 to 20-APR-15 13:41:00 (EST-5)
Location: GRASSY POND
Magnitude: 1.00 
Reported by: Trained Spotter

Spotter reported dime to quarter size hail near the intersection of Island Creek Rd and Highway 110.

Hail in SPARTANBURG, SOUTH CAROLINA
From 20-APR-15 14:36:00 to 20-APR-15 14:42:00 (EST-5)
Location: HOLLY SPGS
Magnitude: 1.00 
Reported by: Trained Spotter

Spotter reported quarter size hail on Hampton Rd (4 SW Inman) and Southfield St (1.5 SE).

Hail in ANDERSON, SOUTH CAROLINA
From 20-APR-15 14:52:00 to 20-APR-15 14:52:00 (EST-5)
Location: SANDY SPGS
Magnitude: 1.00 
Reported by: Trained Spotter

Spotter reported quarter size hail.

Hail in YORK, SOUTH CAROLINA
From 20-APR-15 15:46:00 to 20-APR-15 15:46:00 (EST-5)
Location: BOWLING GREEN
Magnitude: 1.00 
Reported by: Social Media

Public reported quarter size hail via Social Media.

Hail in SPARTANBURG, SOUTH CAROLINA
From 20-APR-15 15:50:00 to 20-APR-15 15:50:00 (EST-5)
Location: KILGORE
Magnitude: 1.00 
Reported by: Public

Public reported quarter size hail.

Hail in UNION, SOUTH CAROLINA
From 20-APR-15 16:25:00 to 20-APR-15 16:25:00 (EST-5)
Location: UNION
Magnitude: 1.00 
Reported by: Public

Multiple public reports of quarter size hail were received from the Union area.

Hail in UNION, SOUTH CAROLINA
From 20-APR-15 16:39:00 to 20-APR-15 16:39:00 (EST-5)
Location: UNION
Magnitude: 1.00 
Reported by: Public

Public reported a second severe thunderstorm produced another round of large hail in the Union area.

Hail in GREENWOOD, SOUTH CAROLINA
From 20-APR-15 20:20:00 to 20-APR-15 20:20:00 (EST-5)
Location: BRADLEY
Magnitude: 1.75 
Reported by: Public

Public reported golf ball size hail.

Hail in GREENWOOD, SOUTH CAROLINA
From 20-APR-15 20:36:00 to 20-APR-15 20:36:00 (EST-5)
Location: CALLISON
Magnitude: 1.00 
Reported by: Public

Public reported quarter size hail at Highway 67 and Browntown Rd.

Thunderstorm Wind in OCONEE, SOUTH CAROLINA
From 20-APR-15 14:28:00 to 20-APR-15 14:28:00 (EST-5)
Location: FAIR PLAY
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotter reported multiple trees and power lines blown down in the Fair Play area.

Thunderstorm Wind in ANDERSON, SOUTH CAROLINA
From 20-APR-15 14:38:00 to 20-APR-15 14:50:00 (EST-5)
Location: TOWNVILLE
Magnitude: 70.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

NWS Storm Survey found intermittent wind damage, primarily confined to snapped limbs, small-to-medium sized uprooted trees, and a few large trees uprooted, was observed between Lake Hartwell and Highway 187, about 1 mile north of I-85. A couple of homes received minor roof damage in this area due to falling limbs or trees. Sporadic damage to trees continued east/northeast, across Highway 187, to Pine Needle Cir and Hix Dr, where the most significant damage was observed. A small house near the intersection of Hix Rd and Pine Needle Rd had much of the roof lifted and thrown, with debris spread into a field as far as 100 yards. Sporadic damage, mainly in the form of downed limbs, small snapped and uprooted hardwood trees, and larger uprooted softwoods continued northeast across Highway 71. Additional reports of sporadic damage were received from closer to Townville, including the Fair Play Rd area near the Oconee line.