A strong upper level disturbance combined with strong atmospheric shear, and instability enhanced by diurnal heating, produced a line of thunderstorms, some of which were severe and included embedded tornadoes.

Thunderstorm Wind in BARNWELL, SOUTH CAROLINA
From 15-APR-18 12:43:00 to 15-APR-18 12:43:00 (EST-5)
Location: BARNWELL CO ARPT
Magnitude: 55.00 EG
Reported by: Law Enforcement

Trees down in roadway on US Hwy 278 at Orchard Rd. Time estimated.

Thunderstorm Wind in KERSHAW, SOUTH CAROLINA
From 15-APR-18 14:40:00 to 15-APR-18 14:40:00 (EST-5)
Location: SHEPARD
Magnitude: 60.00 EG
Reported by: Public

County Dispatch reported numerous trees down from Camden to Hwy 346/Timrod Rd. Time estimated.

Thunderstorm Wind in FAIRFIELD, SOUTH CAROLINA
From 15-APR-18 13:42:00 to 15-APR-18 13:46:00 (EST-5)
Location: RIDGEWAY
Magnitude: 56.00 EG
Reported by: NWS Storm Survey

Straight line wind damage began in and near the town of Ridgeway. Extensive tree damage, with many trees snapped or uprooted, occurred for nearly 8 miles NNE of the town, just to the east of Highway 21.

Tornado in FAIRFIELD, SOUTH CAROLINA
From 15-APR-18 13:46:00 to 15-APR-18 13:50:00 (EST-5)
Location: FLINT HILL
Tornado F-scale: EF1
Reported by: NWS Storm Survey

Tornado damage began just south of White Oak Church Rd, with the tornado moving in a N then NNE motion for about 4.4 miles. The tornado appears to have lifted along the western shore of Lake Wateree near Gunsite Rd where numerous large trees were uprooted or snapped, with several of them falling on homes. The strongest winds are
estimated to have been 95-105 mph.

Thunderstorm Wind in LEXINGTON, SOUTH CAROLINA
From 15-APR-18 13:14:00 to 15-APR-18 13:14:00 (EST-5)
Location: PROVIDENCE
Magnitude: 96.00 EG
Reported by: NWS Storm Survey

A downburst occurred along a bowing line of thunderstorms as it approached Lake Murray just north of the town of Lexington. The damage was confined to an area between Maritime Trail and Lake Murray Terrace off of Yachting Road. The maximum wind speeds associated with the event ranged from 100-110 mph. There were nearly 4 dozen trees either uprooted or snapped. A majority of the trees were hardwood trees along with some softwood trees. Several of the trees were 3 to 4 feet in diameter and very mature. At least a half dozen homes were damaged by fallen trees or large limbs. One home had serious damage as a large oak tree fell onto the home severely damaging the roof and a portion of the home. At least 2 vehicles had damage from fallen trees and limbs.

Thunderstorm Wind in RICHLAND, SOUTH CAROLINA
From 15-APR-18 13:20:00 to 15-APR-18 13:20:00 (EST-5)
Location: BALLENTINE
Magnitude: 87.00 EG
Reported by: NWS Storm Survey

A downburst occurred along a bowing line of thunderstorms as they moved across Lake Murray. The damage was mainly confined to a cove along Muskrat Run which is located off of Salem Church Road. The maximum wind speeds associated with the event ranged from 90-100 mph. There were over 2 dozen trees mostly uprooted with a couple that were snapped. The trees were a mix of hardwood and softwood trees. One tree did fall and reached the patio of a home, but did little to no damage.

Thunderstorm Wind in LANCASTER, SOUTH CAROLINA
From 15-APR-18 14:08:00 to 15-APR-18 14:13:00 (EST-5)
Location: ANTIOCH
Magnitude: 70.00 EG
Reported by: County Official

A strong downburst toppled numerous trees, some of which fell on homes and vehicles, with structural damage to multiple homes.  Some power lines were also downed. The damage began near SC Hwy 903 and Baker Place Rd, and extended north to near S. Potter Rd and SC Hwy 9.  Several homes were damaged on Doc Holiday Cir, and in other locations along this path.

Thunderstorm Wind in LEXINGTON, SOUTH CAROLINA
From 15-APR-18 13:00:00 to 15-APR-18 13:02:00 (EST-5)
Location: GILBERT
Magnitude: 91.00 EG
Reported by: NWS Storm Survey

A downburst, producing wind gusts estimated at 80 to 105 MPH, damaged two single wide mobile homes, downed over a half dozen trees, and snapped power poles, on Martin Smith Rd. A small outdoor building rolled over with two teenagers inside, both had no injuries.  Two dog pens were damaged as they were moved 10 to 25 yards.  The dogs were unharmed.

Thunderstorm Wind in LEXINGTON, SOUTH CAROLINA
From 15-APR-18 13:17:00 to 15-APR-18 13:17:00 (EST-5)
Location: (CAE)COLUMBIA METRO
Magnitude: 64.00 MG
Reported by: ASOS

A 74 mph wind gust was measured by the ASOS unit at Columbia Metropolitan Airport.

Thunderstorm Wind in LEXINGTON, SOUTH CAROLINA
From 15-APR-18 13:18:00 to 15-APR-18 13:18:00 (EST-5)
Location: SOUTH CONGAREE
Magnitude: 63.00 MG
Reported by: Amateur Radio

Trained spotter reported a 72 mph wind gust measured by a home weather station. Small to medium tree limbs were downed.

Thunderstorm Wind in RICHLAND, SOUTH CAROLINA
From 15-APR-18 13:25:00 to 15-APR-18 13:25:00 (EST-5)
Location: ST ANDREWS
Magnitude: 52.00 MG
Reported by: Mesonet

Richland Co mesonet instrument measured a 60 mph wind gust near Broad River Rd and St. Andrews Rd.

Thunderstorm Wind in EDGEFIELD, SOUTH CAROLINA
From 15-APR-18 12:03:00 to 15-APR-18 12:03:00 (EST-5)
Location: CLEDRA
Magnitude: 55.00 EG
Reported by: Law Enforcement

SC Highway Patrol reported trees down on Walker Rd and White Rd.

Tornado in LEXINGTON, SOUTH CAROLINA
From 15-APR-18 13:03:00 to 15-APR-18 13:07:00 (EST-5)
Location: GILBERT
Tornado F-scale: EF2
Reported by: NWS Storm Survey

The tornado began near Two Notch Rd near Hayes Crossing Rd. The tornado continued on a N to NNE path for approximately 3.0 miles, crossing Semm Sease Rd, Wire Rd,
Isiah Hall Rd, Crosby Rd, Austin McCartha Dr, then dissipating near the intersection of Windy Rd and Walter Taylor Rd. Numerous trees were snapped or uprooted along the path. This also includes small and large limbs downed. A few power lines were snapped along the path. The most destructive area was where the tornado moved through a group of 7 chicken houses along Semm Sease Rd. It was at this location that the tornado reached its maximum strength and path width. Several structures, vehicles
and two campers were damaged along the path. Peak winds were estimated to be 120 mph.

Thunderstorm Wind in LEXINGTON, SOUTH CAROLINA
From 15-APR-18 13:05:00 to 15-APR-18 13:05:00 (EST-5)
Location: PELION CORPORATE ARP
Magnitude: 50.00 MG
Property damage: 0.10K
Crop damage: 0.10K
Reported by: Mesonet

RCWINDS mesonet site at Lexington Co airport near Pelion measured a 57 mph wind gust.

Thunderstorm Wind in LEXINGTON, SOUTH CAROLINA
From 15-APR-18 13:15:00 to 15-APR-18 13:15:00 (EST-5)
Location: LEXINGTON
Magnitude: 55.00 EG
Reported by: Trained Spotter

Tree down on a house at 400 Laurel Dr. Time estimated.

Thunderstorm Wind in LEXINGTON, SOUTH CAROLINA
From 15-APR-18 13:15:00 to 15-APR-18 13:15:00 (EST-5)
Location: ARTHUR
Magnitude: 55.00 EG
Reported by: Law Enforcement

Trees and power lines downed at Mineral Springs Rd at Oak Dr. Time estimated.

Thunderstorm Wind in LEXINGTON, SOUTH CAROLINA
From 15-APR-18 13:19:00 to 15-APR-18 13:20:00 (EST-5)
Location: LEXINGTON
Magnitude: 55.00 EG
Reported by: Law Enforcement

Trees reported down at 5119 Sunset Blvd in Lexington.

Thunderstorm Wind in LEXINGTON, SOUTH CAROLINA
From 15-APR-18 13:09:00 to 15-APR-18 13:10:00 (EST-5)
Location: EDMUND
Magnitude: 60.00 EG
Reported by: Amateur Radio

Trained spotter reported large tree down on a house with damage to bedrooms. Time estimated.

Thunderstorm Wind in LEXINGTON, SOUTH CAROLINA
From 15-APR-18 13:05:00 to 15-APR-18 13:05:00 (EST-5)
Location: BARR
Magnitude: 55.00 EG
Reported by: Law Enforcement

Tree down in roadway McCartha Rd at Platt Springs Rd. Time estimated.

Thunderstorm Wind in LEXINGTON, SOUTH CAROLINA
From 15-APR-18 13:21:00 to 15-APR-18 13:21:00 (EST-5)
Location: HAPPY TOWN
Magnitude: 55.00 EG
Reported by: Law Enforcement

SC Highway Patrol reported power lines down on Koon St and Monticello St.

Thunderstorm Wind in ORANGEBURG, SOUTH CAROLINA
From 15-APR-18 13:44:00 to 15-APR-18 13:44:00 (EST-5)
Location: ORANGEBURG
Magnitude: 55.00 EG
Reported by: Law Enforcement

Tree down in roadway Columbia Rd at Sims St. Time estimated.

Tornado in LEXINGTON, SOUTH CAROLINA
From 15-APR-18 13:15:00 to 15-APR-18 13:16:00 (EST-5)
Location: LEXINGTON
Tornado F-scale: EF0
Reported by: NWS Storm Survey

The tornado damage began near Saddlebrooke Rd in Lexington. The tornado continued to the NNE for approximately 0.4 miles, ending along Kenwood Dr. just before John Preston Dr. Numerous hardwood and softwood trees were snapped and uprooted along the path of the tornado. A few trees were down on homes and vehicles. Peak winds were estimated to be 80 mph.

Tornado in LEXINGTON, SOUTH CAROLINA
From 15-APR-18 13:16:00 to 15-APR-18 13:18:00 (EST-5)
Location: IRMO
Tornado F-scale: EF1
Reported by: NWS Storm Survey

Tornado damage began just south of Corley Mill Rd along Lee Kleckley Rd.  The tornado continued to the NNE and crossed the Saluda River at Saluda Shoals Park near  Woodwinds Dr in Irmo. The tornado continued to the NNE, ending near Lockner Rd before reaching Bower Pkwy and the Columbiana Station shopping center. Numerous hardwood and softwood trees were snapped and uprooted along the path of the tornado. Many trees were down on homes and vehicles. Peak winds were estimated to be 95 mph.

Thunderstorm Wind in RICHLAND, SOUTH CAROLINA
From 15-APR-18 13:24:00 to 15-APR-18 13:24:00 (EST-5)
Location: BOOKMAN
Magnitude: 78.00 EG
Reported by: NWS Storm Survey

Strong straight line winds caused numerous downed trees along Kennerly Rd from Lum Rd to Miles Bownamn Rd. The most significant damage was located along the 2200 block of Keneerly Rd where many large hardwood trees were uprooted or snapped. Wind speeds were estimated to be 80 to 90 mph.

Thunderstorm Wind in RICHLAND, SOUTH CAROLINA
From 15-APR-18 13:18:00 to 15-APR-18 13:18:00 (EST-5)
Location: MONTGOMERY
Magnitude: 60.00 EG
Reported by: Public

Tree fell on a house in the Riverwalk neighborhood near Irmo. Photos of damage received via social media. Time estimated.

Thunderstorm Wind in SUMTER, SOUTH CAROLINA
From 15-APR-18 14:52:00 to 15-APR-18 15:00:00 (EST-5)
Location: QUINTS XRDS
Magnitude: 60.00 EG
Reported by: Law Enforcement

County dispatch reported trees and power lines down in multiple locations including Wedgefield Rd and Oakland Ave, Wedgefield Rd and Sandalwood Lane, Alice Dr and Wesmark, Catchall Rd, and Colony Rd at US Hwy 15. An awning of a gas station on Alice Dr was heavily damaged. Time estimated.

Thunderstorm Wind in LEXINGTON, SOUTH CAROLINA
From 15-APR-18 13:18:00 to 15-APR-18 13:18:00 (EST-5)
Location: ST ANDREWS
Magnitude: 55.00 EG
Reported by: Law Enforcement

Trees down in roadway at Ashland Rd and Marydale Lane.

Thunderstorm Wind in CHESTERFIELD, SOUTH CAROLINA
From 15-APR-18 14:56:00 to 15-APR-18 14:56:00 (EST-5)
Location: PAGELAND
Magnitude: 60.00 EG
Reported by: Law Enforcement

Trees down in Pageland.

Thunderstorm Wind in CHESTERFIELD, SOUTH CAROLINA
From 15-APR-18 15:28:00 to 15-APR-18 15:30:00 (EST-5)
Location: CHESTERFIELD
Magnitude: 60.00 EG
Reported by: Law Enforcement

Trees down in downtown Chesterfield.

Thunderstorm Wind in FAIRFIELD, SOUTH CAROLINA
From 15-APR-18 13:36:00 to 15-APR-18 13:36:00 (EST-5)
Location: SIMPSON
Magnitude: 60.00 EG
Reported by: Amateur Radio

Trained spotter reported multiple trees down along US Hwy 321 just north of the  Fairfield/Richland Co line. Time estimated.

Thunderstorm Wind in RICHLAND, SOUTH CAROLINA
From 15-APR-18 13:26:00 to 15-APR-18 13:26:00 (EST-5)
Location: FAIRWOLD
Magnitude: 55.00 EG
Reported by: Law Enforcement

Power lines down on Fairfield Rd and on Lincolnshire Blvd. Time estimated.

Thunderstorm Wind in RICHLAND, SOUTH CAROLINA
From 15-APR-18 13:26:00 to 15-APR-18 13:26:00 (EST-5)
Location: SPRING HILL
Magnitude: 55.00 EG
Reported by: Law Enforcement

SC Highway Patrol reported trees down on Broad River Rd and Mike Stuck Rd.

Thunderstorm Wind in RICHLAND, SOUTH CAROLINA
From 15-APR-18 13:36:00 to 15-APR-18 13:36:00 (EST-5)
Location: BONEY
Magnitude: 55.00 EG
Reported by: Law Enforcement

Power lines down on Clamp Rd near Twentyfive Mile Creek. Time estimated.

Thunderstorm Wind in EDGEFIELD, SOUTH CAROLINA
From 15-APR-18 12:14:00 to 15-APR-18 12:14:00 (EST-5)
Location: SUPREME
Magnitude: 60.00 EG
Reported by: Law Enforcement

SC Highway Patrol reported trees down at Crest Rd near the town of Edgefield.

Thunderstorm Wind in EDGEFIELD, SOUTH CAROLINA
From 15-APR-18 12:01:00 to 15-APR-18 12:01:00 (EST-5)
Location: MORGANA
Magnitude: 55.00 EG
Reported by: Law Enforcement

SC Highway Patrol reported trees down at Country Club Hills and Gregory Lake Rd.

Thunderstorm Wind in CALHOUN, SOUTH CAROLINA
From 15-APR-18 13:33:00 to 15-APR-18 13:33:00 (EST-5)
Location: HAMMOND XRDS
Magnitude: 55.00 EG
Reported by: Public

SCHP reported trees down on Interstate 26.

Thunderstorm Wind in AIKEN, SOUTH CAROLINA
From 15-APR-18 12:29:00 to 15-APR-18 12:29:00 (EST-5)
Location: STIEFELTOWN
Magnitude: 55.00 EG
Reported by: Law Enforcement

Tree down Gregg Hwy and University Ln.

Thunderstorm Wind in AIKEN, SOUTH CAROLINA
From 15-APR-18 12:55:00 to 15-APR-18 12:55:00 (EST-5)
Location: NEW HOLLAND XRDS
Magnitude: 60.00 EG
Reported by: Public

Multiple trees down on Kirkland Rd in New Holland.

Thunderstorm Wind in BARNWELL, SOUTH CAROLINA
From 15-APR-18 12:38:00 to 15-APR-18 12:38:00 (EST-5)
Location: WILLISTON
Magnitude: 55.00 EG
Reported by: Law Enforcement

Trees down in roadway Fellowship Rd at Moonlight Rd. Time estimated.