An isolated supercell thunderstorm developed over the South Mountains in the North Carolina Piedmont. The storm then tracked east, producing large to very large hail and brief tornadoes during it's 3 hour lifetime. There was quite a bit of hail damage, particularly in the city of Concord in Cabarrus County, though no damage estimates were available.

Hail in CALDWELL, NORTH CAROLINA
From 11-MAY-08 14:47:00 to 11-MAY-08 14:47:00 (EST-5)
Location: PATTERSON
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in CABARRUS, NORTH CAROLINA
From 11-MAY-08 17:15:00 to 11-MAY-08 17:15:00 (EST-5)
Location: CABARRUS
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Reported at Branch View Rd and South Union Rd.

Hail in CABARRUS, NORTH CAROLINA
From 11-MAY-08 17:15:00 to 11-MAY-08 17:15:00 (EST-5)
Location: JACKSON PARK
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Reported at highway 601 and highway 29.

Hail in CABARRUS, NORTH CAROLINA
From 11-MAY-08 17:18:00 to 11-MAY-08 17:18:00 (EST-5)
Location: CONCORD
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Tornado in CABARRUS, NORTH CAROLINA
From 11-MAY-08 17:19:00 to 11-MAY-08 17:19:00 (EST-5)
Location: WEST CONCORD
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A tornado touched down briefly near the intersection of highway 49 and highway 601.

Hail in CABARRUS, NORTH CAROLINA
From 11-MAY-08 17:33:00 to 11-MAY-08 17:33:00 (EST-5)
Location: MT PLEASANT
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail covered the ground.

Hail in ROWAN, NORTH CAROLINA
From 11-MAY-08 19:00:00 to 11-MAY-08 19:00:00 (EST-5)
Location: ROCKWELL
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Reported between Salisbury and Rockwell.

Hail in BURKE, NORTH CAROLINA
From 11-MAY-08 15:13:00 to 11-MAY-08 15:15:00 (EST-5)
Location: MORGANTON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in BURKE, NORTH CAROLINA
From 11-MAY-08 15:25:00 to 11-MAY-08 15:25:00 (EST-5)
Location: MORGANTON
Magnitude: 2.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Baseball size hail measured just east of South Mountains State Park.

Hail in LINCOLN, NORTH CAROLINA
From 11-MAY-08 16:17:00 to 11-MAY-08 16:17:00 (EST-5)
Location: PUMPKIN CENTER
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LINCOLN, NORTH CAROLINA
From 11-MAY-08 16:20:00 to 11-MAY-08 16:21:00 (EST-5)
Location: LINCOLNTON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Hail in MECKLENBURG, NORTH CAROLINA
From 11-MAY-08 16:50:00 to 11-MAY-08 16:50:00 (EST-5)
Location: CORNELIUS
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Reported on Interstate 77.

Hail in MECKLENBURG, NORTH CAROLINA
From 11-MAY-08 16:50:00 to 11-MAY-08 16:50:00 (EST-5)
Location: CORNELIUS
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Reported on West Catawba Ave.

Hail in CABARRUS, NORTH CAROLINA
From 11-MAY-08 17:00:00 to 11-MAY-08 17:00:00 (EST-5)
Location: GLASS
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Reported at the intersection of highway 73 and Odell School Rd.

Hail in CABARRUS, NORTH CAROLINA
From 11-MAY-08 17:10:00 to 11-MAY-08 17:10:00 (EST-5)
Location: CONCORD
Magnitude: 2.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Tornado in BURKE, NORTH CAROLINA
From 11-MAY-08 15:30:00 to 11-MAY-08 15:30:00 (EST-5)
Location: MORGANTON
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Park/Forest Service

A brief tornado touched down just east of South Mountains State Park. Damage was limited to a few downed trees and large limbs.

Hail in LINCOLN, NORTH CAROLINA
From 11-MAY-08 15:46:00 to 11-MAY-08 15:51:00 (EST-5)
Location: VALE
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Tornado in LINCOLN, NORTH CAROLINA
From 11-MAY-08 15:48:00 to 11-MAY-08 15:48:00 (EST-5)
Location: CAT SQUARE
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A tornado touched down briefly in an open field in the Cat Square area.

Hail in LINCOLN, NORTH CAROLINA
From 11-MAY-08 16:05:00 to 11-MAY-08 16:05:00 (EST-5)
Location: LINCOLNTON
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in LINCOLN, NORTH CAROLINA
From 11-MAY-08 16:09:00 to 11-MAY-08 16:09:00 (EST-5)
Location: LINCOLNTON
Magnitude: 2.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LINCOLN, NORTH CAROLINA
From 11-MAY-08 16:14:00 to 11-MAY-08 16:21:00 (EST-5)
Location: BOGER CITY
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Hail in CABARRUS, NORTH CAROLINA
From 11-MAY-08 17:14:00 to 11-MAY-08 17:14:00 (EST-5)
Location: NORTH CONCORD
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Reported on Kidd Ct.