A mesoscale convective complex developed in the middle and upper northwest flow over the region. This complex moved southeast across the Northern and Central Midlands overnight. The system produced numerous reports of downed trees and large hail.

Thunderstorm Wind in NEWBERRY, SOUTH CAROLINA
From 11-MAY-11 00:14:00 to 11-MAY-11 00:16:00 (EST-5)
Location: WHITMIRE
Magnitude: 55.00 EG
Reported by: Public

Public reported trees down in Whitmire.

Hail in RICHLAND, SOUTH CAROLINA
From 11-MAY-11 01:03:00 to 11-MAY-11 01:05:00 (EST-5)
Location: PONTIAC
Magnitude: 0.75 
Reported by: Public

Public reported 3/4 inch hail on the northeast side of Columbia.

Thunderstorm Wind in RICHLAND, SOUTH CAROLINA
From 11-MAY-11 01:03:00 to 11-MAY-11 01:05:00 (EST-5)
Location: PONTIAC
Magnitude: 50.00 EG
Reported by: Public

Public reported large branches down in northeast Columbia.

Thunderstorm Wind in KERSHAW, SOUTH CAROLINA
From 11-MAY-11 01:06:00 to 11-MAY-11 01:08:00 (EST-5)
Location: LUGOFF
Magnitude: 60.00 EG
Reported by: Law Enforcement

Sheriff dispatch reported powerlines down in Lugoff and large hail of unknown size.

Hail in LANCASTER, SOUTH CAROLINA
From 11-MAY-11 00:40:00 to 11-MAY-11 00:42:00 (EST-5)
Location: HEATH SPGS
Magnitude: 0.88 
Reported by: Emergency Manager

County EM reported dime to nickel size hail.

Thunderstorm Wind in LANCASTER, SOUTH CAROLINA
From 11-MAY-11 00:40:00 to 11-MAY-11 00:42:00 (EST-5)
Location: HEATH SPGS
Magnitude: 60.00 EG
Reported by: Emergency Manager

County EM reported trees and powerlines down in Heath Springs.

Thunderstorm Wind in LANCASTER, SOUTH CAROLINA
From 11-MAY-11 00:28:00 to 11-MAY-11 00:30:00 (EST-5)
Location: VAN WYCK
Magnitude: 55.00 EG
Reported by: Law Enforcement

Sheriff dispatch reported trees down in the Van Wyck community.

Thunderstorm Wind in LANCASTER, SOUTH CAROLINA
From 11-MAY-11 00:35:00 to 11-MAY-11 00:37:00 (EST-5)
Location: HEATH SPGS
Magnitude: 60.00 EG
Reported by: Emergency Manager

County EM reported trees and powerlines down in Heath Springs.

Hail in LANCASTER, SOUTH CAROLINA
From 11-MAY-11 00:35:00 to 11-MAY-11 00:37:00 (EST-5)
Location: HEATH SPGS
Magnitude: 0.88 
Reported by: Emergency Manager

County EM reported dime to nickel size hail.

Hail in RICHLAND, SOUTH CAROLINA
From 11-MAY-11 01:03:00 to 11-MAY-11 01:05:00 (EST-5)
Location: CAPITOL VIEW
Magnitude: 1.25 
Reported by: Public

Public reported and measured half dollar size hail near the southwest corner of Ft. Jackson off Leesburg Road about 2 miles east of I-77.

Thunderstorm Wind in LEXINGTON, SOUTH CAROLINA
From 11-MAY-11 01:05:00 to 11-MAY-11 01:07:00 (EST-5)
Location: LEXINGTON
Magnitude: 55.00 EG
Reported by: NWS Employee

NWS Employee reported large limbs and trees down near Lexington.

Thunderstorm Wind in SUMTER, SOUTH CAROLINA
From 11-MAY-11 01:21:00 to 11-MAY-11 01:23:00 (EST-5)
Location: (SSC)SHAW AFB SUMTER
Magnitude: 50.00 EG
Reported by: Trained Spotter

Spotter reported large limbs down at Patriot Pkwy and Highway 441.

Thunderstorm Wind in SUMTER, SOUTH CAROLINA
From 11-MAY-11 01:22:00 to 11-MAY-11 01:24:00 (EST-5)
Location: WEDGEFIELD
Magnitude: 50.00 EG
Reported by: Trained Spotter

Spotter reported large limbs down at Hwy. 441 and Hwy. 378 and also 1 to 2 miles south of the same intersection.

Thunderstorm Wind in RICHLAND, SOUTH CAROLINA
From 11-MAY-11 01:08:00 to 11-MAY-11 01:10:00 (EST-5)
Location: HOPKINS
Magnitude: 50.00 EG
Reported by: Trained Spotter

Spotter reported large limbs down at the intersection of Hwy. 378 and Trotter Rd. just east of Columbia.

Thunderstorm Wind in LEXINGTON, SOUTH CAROLINA
From 10-MAY-11 00:55:00 to 10-MAY-11 00:59:00 (EST-5)
Location: CHAPIN
Magnitude: 55.00 EG
Property damage: 8.00K
Crop damage: 0.00K
Reported by: Public

Public reported trees and powerlines down at Chapin Elementary School.

Thunderstorm Wind in RICHLAND, SOUTH CAROLINA
From 11-MAY-11 01:12:00 to 11-MAY-11 01:14:00 (EST-5)
Location: BLYTHEWOOD
Magnitude: 55.00 EG
Reported by: Law Enforcement

Sheriff dispatch reported trees down from Blythewood to Dentsville.

Hail in RICHLAND, SOUTH CAROLINA
From 11-MAY-11 01:14:00 to 11-MAY-11 01:16:00 (EST-5)
Location: WOODFIELD
Magnitude: 1.00 
Reported by: Public

Shaw meteorologist reported 1 inch hail near Highway 378 just east of Columbia.

Thunderstorm Wind in KERSHAW, SOUTH CAROLINA
From 11-MAY-11 00:45:00 to 11-MAY-11 00:47:00 (EST-5)
Location: WESTVILLE
Magnitude: 55.00 EG
Reported by: Law Enforcement

Sheriff dispatch reported trees down across Northern Kershaw County.

Thunderstorm Wind in KERSHAW, SOUTH CAROLINA
From 11-MAY-11 01:10:00 to 11-MAY-11 01:12:00 (EST-5)
Location: LUGOFF
Magnitude: 60.00 EG
Reported by: Law Enforcement

Sheriff dispatch reported trees and powerlines down from Elgin to Lugoff to Camden and then to Bethune.

Thunderstorm Wind in RICHLAND, SOUTH CAROLINA
From 11-MAY-11 01:20:00 to 11-MAY-11 01:22:00 (EST-5)
Location: EASTOVER
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Sheriff dispatch reported trees down in Southeast Richland County in the Eastover area.

Thunderstorm Wind in FAIRFIELD, SOUTH CAROLINA
From 11-MAY-11 00:39:00 to 11-MAY-11 00:41:00 (EST-5)
Location: WHITE OAK
Magnitude: 55.00 EG
Reported by: Emergency Manager

County EM reported trees down in Northern Fairfield County from White Oak to Mitford.

Thunderstorm Wind in NEWBERRY, SOUTH CAROLINA
From 11-MAY-11 00:45:00 to 11-MAY-11 00:47:00 (EST-5)
Location: POMARIA
Magnitude: 55.00 EG
Reported by: Public

Public reported trees down n Pomeria.

Thunderstorm Wind in ORANGEBURG, SOUTH CAROLINA
From 11-MAY-11 02:08:00 to 11-MAY-11 02:10:00 (EST-5)
Location: OAKS XRDS
Magnitude: 55.00 EG
Reported by: Law Enforcement

Highway patrol reported trees down near the intersection of Highway 301 and Highway 47 near Elloree.

Thunderstorm Wind in CLARENDON, SOUTH CAROLINA
From 11-MAY-11 02:10:00 to 11-MAY-11 02:12:00 (EST-5)
Location: MANNING
Magnitude: 55.00 EG
Reported by: Law Enforcement

Sheriff dispatch reported trees down between Summerton and Manning on Alex Harvin Road and also on Highway 261 west of Manning.

Thunderstorm Wind in LANCASTER, SOUTH CAROLINA
From 11-MAY-11 00:33:00 to 11-MAY-11 00:35:00 (EST-5)
Location: LANCASTER
Magnitude: 60.00 EG
Property damage: 86.00K
Reported by: Emergency Manager

EM reported numerous tress and powerlines down in Lancaster.  Newspaper reported 4600 people were without power throughout the county.

Thunderstorm Wind in SUMTER, SOUTH CAROLINA
From 11-MAY-11 01:40:00 to 11-MAY-11 01:44:00 (EST-5)
Location: WEDGEFIELD
Magnitude: 60.00 EG
Property damage: 18.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Sheriff dispatch reported trees down at Highway 378 and Highway 261 and also along Highway 261 to Wedgefield.  The Sumter Newspaper also reported around 80 trees snapped off on San Souci Farms near Statesburg.

Thunderstorm Wind in FAIRFIELD, SOUTH CAROLINA
From 11-MAY-11 00:39:00 to 11-MAY-11 00:41:00 (EST-5)
Location: CAMP WELFARE
Magnitude: 55.00 EG
Reported by: Emergency Manager

County EM reported trees down across Northern Fairfield County from White Oak to Mitford.