Thunderstorms developed during the afternoon hours over the southeast slopes of the North Carolina Blue Ridge. The storms intensified and consolidated into a single, large supercell thunderstorm that moved southward across Upstate South Carolina. Large hail, damaging winds and a brief tornado were produced by the storm.

Tornado in LAURENS, SOUTH CAROLINA
From 19-MAR-11 17:15:00 to 19-MAR-11 17:16:00 (EST-5)
Location: CROSS HILL
Tornado F-scale: EF0
Reported by: NWS Storm Survey

An area of weak tornado damage was embedded within downburst damage near Lake Greenwood off Amber Hill Circle. Damage was mainly limited to several trees knocked down and some windows blown out of a home due to flying debris. However, some siding was stripped off a couple of homes. Parts of trees also fell on two homes. A pontoon boat was also tossed.

Hail in GREENVILLE, SOUTH CAROLINA
From 19-MAR-11 14:20:00 to 19-MAR-11 14:20:00 (EST-5)
Location: MARIETTA
Magnitude: 0.75 
Reported by: Public

Penny size hail was reported on highway 186 near the Pickens County line.

Hail in LAURENS, SOUTH CAROLINA
From 19-MAR-11 16:12:00 to 19-MAR-11 16:12:00 (EST-5)
Location: GRAY COURT
Magnitude: 1.75 
Reported by: Trained Spotter

Hail up to the size of golf balls covered the ground about 2 miles southwest of Gray Court. Other reports of penny to quarter size hail were received over to the Gray Court town limits.

Thunderstorm Wind in LAURENS, SOUTH CAROLINA
From 19-MAR-11 16:47:00 to 19-MAR-11 16:47:00 (EST-5)
Location: EKOM
Magnitude: 50.00 EG
Reported by: Trained Spotter

Two trees were blown down in the Ekom community.

Hail in GREENVILLE, SOUTH CAROLINA
From 19-MAR-11 14:33:00 to 19-MAR-11 14:33:00 (EST-5)
Location: FURMAN UNIVERSITY
Magnitude: 0.75 
Reported by: COOP Observer

Hail in GREENVILLE, SOUTH CAROLINA
From 19-MAR-11 15:07:00 to 19-MAR-11 15:07:00 (EST-5)
Location: CONESTEE
Magnitude: 1.00 
Reported by: Fire Department/Rescue

Hail up to the size of quarters covered the ground.

Hail in GREENVILLE, SOUTH CAROLINA
From 19-MAR-11 15:20:00 to 19-MAR-11 15:25:00 (EST-5)
Location: CONESTEE
Magnitude: 0.75 
Reported by: Trained Spotter

Penny size hail was reported from near Mauldin to Simpsonville.

Thunderstorm Wind in GREENVILLE, SOUTH CAROLINA
From 19-MAR-11 15:44:00 to 19-MAR-11 15:44:00 (EST-5)
Location: GOLDEN GROVE
Magnitude: 50.00 EG
Reported by: Public

Large tree limbs were broken off.

Hail in LAURENS, SOUTH CAROLINA
From 19-MAR-11 16:47:00 to 19-MAR-11 16:47:00 (EST-5)
Location: EKOM
Magnitude: 0.88 
Reported by: Trained Spotter

Hail in LAURENS, SOUTH CAROLINA
From 19-MAR-11 16:53:00 to 19-MAR-11 16:53:00 (EST-5)
Location: WATERLOO
Magnitude: 0.75 
Reported by: Fire Department/Rescue

Hail up to the size of pennies covered the ground up to 2 inches deep.

Thunderstorm Wind in LAURENS, SOUTH CAROLINA
From 19-MAR-11 16:55:00 to 19-MAR-11 17:15:00 (EST-5)
Location: WATERLOO
Magnitude: 50.00 EG
Reported by: NWS Storm Survey

Numerous trees were blown down from the Waterloo area to Cross Hill. A car port was also lifted and tossed 4 S Cross Hill.

Hail in LAURENS, SOUTH CAROLINA
From 19-MAR-11 17:06:00 to 19-MAR-11 17:06:00 (EST-5)
Location: CROSS HILL
Magnitude: 1.25 
Reported by: Public

Hail in OCONEE, SOUTH CAROLINA
From 19-MAR-11 19:05:00 to 19-MAR-11 19:05:00 (EST-5)
Location: FAIR PLAY
Magnitude: 0.75 
Reported by: Trained Spotter

Hail covered the road.

Hail in GREENVILLE, SOUTH CAROLINA
From 19-MAR-11 15:04:00 to 19-MAR-11 15:04:00 (EST-5)
Location: GREENVILLE DOWNTOWN
Magnitude: 0.75 
Reported by: Amateur Radio