An upper disturbance ahead of an upper trough, combined with considerable atmospheric instability, moisture, and shear ahead of an approaching surface cold front, to produce shower and thunderstorm activity. Some severe thunderstorms produced tornadoes, strong damaging wind gusts, locally heavy rain, and some hail.

Hail in AIKEN, SOUTH CAROLINA
From 24-MAY-17 22:05:00 to 24-MAY-17 22:10:00 (EST-5)
Location: NORTH AUGUSTA
Magnitude: 0.88 
Property damage: 0.10K
Crop damage: 0.10K
Reported by: Amateur Radio

Amateur radio report of dime to nickel size hail in North Augusta near Martintown Rd and Georgia Ave.

Hail in AIKEN, SOUTH CAROLINA
From 24-MAY-17 22:44:00 to 24-MAY-17 22:49:00 (EST-5)
Location: NEW HOLLAND XRDS
Magnitude: 1.00 
Reported by: Public

Public report of quarter size hail on Holder Rd.

Thunderstorm Wind in AIKEN, SOUTH CAROLINA
From 24-MAY-17 22:16:00 to 24-MAY-17 22:21:00 (EST-5)
Location: BALLTOWN
Magnitude: 55.00 EG
Reported by: Law Enforcement

Trees down blocking both lanes of Hampton Ave in Aiken.

Thunderstorm Wind in AIKEN, SOUTH CAROLINA
From 24-MAY-17 22:12:00 to 24-MAY-17 22:15:00 (EST-5)
Location: LITTLE HORSE CREEK
Magnitude: 55.00 EG
Reported by: Law Enforcement

Trees down at Cherokee Dr and Apache Dr in Clearwater. Time estimated.

Thunderstorm Wind in LEXINGTON, SOUTH CAROLINA
From 24-MAY-17 15:57:00 to 24-MAY-17 16:00:00 (EST-5)
Location: CHAPIN
Magnitude: 55.00 EG
Reported by: Law Enforcement

Trees down at Long Pine Rd and Strawfield Rd. Time estimated.

Thunderstorm Wind in NEWBERRY, SOUTH CAROLINA
From 24-MAY-17 14:30:00 to 24-MAY-17 14:35:00 (EST-5)
Location: POMARIA
Magnitude: 65.00 EG
Reported by: Trained Spotter

Multiple trees and power lines were down and several homes damaged in the vicinity of Pomaria Garmany Elementary School.

Thunderstorm Wind in LANCASTER, SOUTH CAROLINA
From 24-MAY-17 15:13:00 to 24-MAY-17 15:18:00 (EST-5)
Location: UNITY
Magnitude: 55.00 EG
Reported by: State Official

Trees down on Monroe Hwy and Capricorn Rd.

Heavy Rain in LANCASTER, SOUTH CAROLINA
From 24-MAY-17 15:08:00 to 24-MAY-17 15:08:00 (EST-5)
Location: LANCASTER
Property damage: 0.10K
Crop damage: 0.10K
Reported by: Trained Spotter

Heavy rain caused street flooding on Hwy 9 at USC Lancaster. A rainfall measurement of 1.50 inches was received.

Thunderstorm Wind in RICHLAND, SOUTH CAROLINA
From 24-MAY-17 15:04:00 to 24-MAY-17 15:09:00 (EST-5)
Location: BALLENTINE
Magnitude: 55.00 EG
Reported by: Law Enforcement

Tree in roadway at Koon Rd and Wes Bickley Rd.

Tornado in LANCASTER, SOUTH CAROLINA
From 24-MAY-17 15:19:00 to 24-MAY-17 15:21:00 (EST-5)
Location: SAPPS XRDS
Tornado F-scale: EF0
Reported by: NWS Storm Survey

An NWS Storm Survey Team determined that a tornado touched down northeast of Lancaster close to the North Carolina State Line near Shiloh Unity Road. The tornado continued northward causing EF-0 damage to crops and trees near Locker Road. The tornado was in Lancaster County for 0.5 miles having a path width of no more than 50 yards. The maximum wind speed during this time was 75 mph.
The tornado moved across the state line, into Union County North Carolina, and tracked northeast for over 7 miles. Most of the damage was to trees but a few structures were damaged. The most significant damage was to a barn that had the sides and much of the roof torn off. This area received a rating of EF-1 with maximum winds speeds of 100 mph.

Flash Flood in SALUDA, SOUTH CAROLINA
From 24-MAY-17 14:14:00 to 24-MAY-17 14:44:00 (EST-5)
Location: SALUDA
Flood cause: Heavy Rain
Property damage: 0.10K
Crop damage: 0.10K
Reported by: Emergency Manager

Heavy rain led to street flooding on Canebrake Rd.  Road was temporarily closed.

Tornado in SALUDA, SOUTH CAROLINA
From 24-MAY-17 13:40:00 to 24-MAY-17 13:47:00 (EST-5)
Location: MAYSON
Tornado F-scale: EF1
Reported by: NWS Storm Survey

An NWS Storm Survey Team determined that a tornado touched down near Fruit Hill Road just north of Highway 378. Then continued northeast crossing Henley Road and Old Charleston Road. The tornado produced EF-0 and EF-1 damage, traveling a total of 3 miles before lifting near the intersection of Old Chappell Ferry Road and Simmons Road. Numerous trees were either snapped or uprooted along the damage path and sheet metal was lifted off the roof of a small outbuilding. The strongest wind speeds of up to 110 mph occurred on Fruit Hill Road where 2 cedar trees were snapped at the trunks and thrown up to 20 yards.

Flash Flood in SALUDA, SOUTH CAROLINA
From 24-MAY-17 14:14:00 to 24-MAY-17 14:44:00 (EST-5)
Location: BLEASES XRDS
Flood cause: Heavy Rain
Property damage: 0.10K
Crop damage: 0.10K
Reported by: Emergency Manager

Heavy rain caused street flooding on Medical Park Rd.  Road was closed temporarily.

Hail in AIKEN, SOUTH CAROLINA
From 24-MAY-17 22:05:00 to 24-MAY-17 22:06:00 (EST-5)
Location: NORTH AUGUSTA
Magnitude: 0.50 
Property damage: 0.10K
Crop damage: 0.10K
Reported by: Public

Public report of half inch hail on Spring Oak Lane.

Tornado in SALUDA, SOUTH CAROLINA
From 24-MAY-17 14:04:00 to 24-MAY-17 14:07:00 (EST-5)
Location: PERRYS XRDS
Tornado F-scale: EF0
Reported by: NWS Storm Survey

An NWS Storm Survey Team found that a tornado touched down near Denny Highway in Northern Saluda County, about 2 miles southwest of the Saluda River. The tornado
then continued northeast across the Saluda River and into Newberry County. The tornado had a path length of 1.92 miles in Saluda County and a maximum width of 250 yards, producing EF-0 and EF-1 damage along its path. Numerous trees were either snapped or uprooted along the damage path.

Tornado in NEWBERRY, SOUTH CAROLINA
From 24-MAY-17 14:07:00 to 24-MAY-17 14:20:00 (EST-5)
Location: STOCKMAN
Tornado F-scale: EF2
Reported by: NWS Storm Survey

An NWS Storm Survey Team found that a tornado touched down in Northern Saluda County, about 2 miles southwest of the Saluda River. The tornado
then continued northeast across the Saluda River and into Newberry County, eventually passing about 2 miles south of Prosperity and dissipating about 3 miles east of Prosperity near Mid Carolina High School. The tornado had a path length of 10.18 miles in Newberry County, for a total path length of 12 miles across both Saluda and Newberry Counties. The maximum width was 250 yards. The tornado produced EF-0 and EF-1 damage along most of its path. However, there was a small area of EF-2 wind damage with winds up to 115 mph near Stoney Hill Road and Fire Tower Road, and also near Macedonia Church Road and Cy Schumpert Road.
Numerous trees were either snapped or uprooted along the damage path, with several trees down on homes and vehicles. Where the tornado was strongest, several masonry outbuildings had their walls blown out. Small outbuildings were moved as much as 20 yards, and a few very large hardwood trees were splintered with
the tops thrown as far as 30 yards.