A line of severe thunderstorms, aided by some upper energy and deep layer shear, developed over north Georgia and moved SE across the Midlands of SC, during the late day and evening, and produced widespread wind damage.  Ahead of this line, isolated thunderstorms, one severe, developed earlier in the afternoon.

Thunderstorm Wind in EDGEFIELD, SOUTH CAROLINA
From 20-JUL-23 19:20:00 to 20-JUL-23 19:44:00 (EST-5)
Location: CLEDRA
Magnitude: 65.00 EG
Reported by: 911 Call Center

Numerous trees and power lines were downed across the county.

Thunderstorm Wind in AIKEN, SOUTH CAROLINA
From 20-JUL-23 19:25:00 to 20-JUL-23 20:25:00 (EST-5)
Location: NORTH AUGUSTA
Magnitude: 65.00 EG
Reported by: 911 Call Center

Numerous trees and power lines were downed across the county.

Thunderstorm Wind in AIKEN, SOUTH CAROLINA
From 20-JUL-23 19:27:00 to 20-JUL-23 19:30:00 (EST-5)
Location: HAMBURG
Magnitude: 60.00 EG
Reported by: Broadcast Media

A large tree was downed and blocked the road on River North Dr near Gordon Hwy.  Time estimated.

Thunderstorm Wind in BARNWELL, SOUTH CAROLINA
From 20-JUL-23 20:07:00 to 20-JUL-23 20:12:00 (EST-5)
Location: WILLISTON
Magnitude: 65.00 EG
Reported by: Law Enforcement

Numerous trees were downed in the Williston area.  Time estimated.

Thunderstorm Wind in BARNWELL, SOUTH CAROLINA
From 20-JUL-23 20:18:00 to 20-JUL-23 20:23:00 (EST-5)
Location: BLACKVILLE
Magnitude: 65.00 EG
Reported by: Law Enforcement

Numerous trees were downed in the Blackville area.  Time estimated.

Thunderstorm Wind in CLARENDON, SOUTH CAROLINA
From 20-JUL-23 16:05:00 to 20-JUL-23 16:06:00 (EST-5)
Location: PAXVILLE
Magnitude: 50.00 EG
Reported by: Department of Highways

SC DOT reported one tree down on WR Simpson Rd.  Exact location not provided.  Time estimated.

Thunderstorm Wind in ORANGEBURG, SOUTH CAROLINA
From 20-JUL-23 21:04:00 to 20-JUL-23 21:06:00 (EST-5)
Location: DORANGE
Magnitude: 55.00 EG
Reported by: Department of Highways

SC DOT reported a tree down on McAlhany Rd, and a tree down on Hoghaven Rd, SE of Branchville.  Exact locations not provided.  Time estimated.

Thunderstorm Wind in ORANGEBURG, SOUTH CAROLINA
From 20-JUL-23 21:17:00 to 20-JUL-23 21:20:00 (EST-5)
Location: ELLOREE
Magnitude: 60.00 EG
Reported by: Trained Spotter

A trained spotter relayed a report through social media with photos of a parking lot light pole at a commercial food distribution center blown over onto the hood of a semi-trailer causing damage.  Time estimated.

Thunderstorm Wind in ORANGEBURG, SOUTH CAROLINA
From 20-JUL-23 21:02:00 to 20-JUL-23 21:02:00 (EST-5)
Location: ORANGEBURG ARPT
Magnitude: 47.00 MG
Property damage: 0.10K
Crop damage: 0.10K
Reported by: ASOS

ASOS at Orangeburg Municipal Airport measured a wind gust of 54 mph.

Thunderstorm Wind in MCCORMICK, SOUTH CAROLINA
From 20-JUL-23 18:52:00 to 20-JUL-23 19:30:00 (EST-5)
Location: BORDEAUX
Magnitude: 65.00 EG
Reported by: Emergency Manager

Numerous trees were downed across the county from the Savannah Lakes Village south to near the Georgia state line on Hwy 28 S. Over 70 trees were downed onto roadways.  One tree fell on a vehicle at an unknown location. No reported injuries.

Thunderstorm Wind in MCCORMICK, SOUTH CAROLINA
From 20-JUL-23 19:10:00 to 20-JUL-23 19:12:00 (EST-5)
Location: PLUM BRANCH
Magnitude: 65.00 EG
Reported by: Emergency Manager

A tree fell onto a house on Hwy 283 east of Plum Branch, trapping one person inside, who was rescued and not injured.  Time estimated.

Thunderstorm Wind in MCCORMICK, SOUTH CAROLINA
From 20-JUL-23 19:04:00 to 20-JUL-23 19:05:00 (EST-5)
Location: PARKSVILLE
Magnitude: 65.00 EG
Reported by: NWS Storm Survey

A line of severe thunderstorms produced widespread wind damage across McCormick
County, SC on the evening of July 20, 2023. Hamilton Branch State Park, along the
shore of Lake J. Strom Thurmond, was particularly hard hit, likely due to enhancement
of winds over the lake.
South Carolina State Parks estimated that approximately 18 trees were snapped or
uprooted and blocking roadways in the park, with numerous other trees downed in
wooded areas. No injuries.
A National Weather Service storm survey determined that the damage was the result of thunderstorm winds, and not a tornado. Peak wind speeds were estimated to be around 75 mph.

Thunderstorm Wind in EDGEFIELD, SOUTH CAROLINA
From 20-JUL-23 19:20:00 to 20-JUL-23 19:22:00 (EST-5)
Location: COLLIERS
Magnitude: 60.00 EG
Reported by: Emergency Manager

A tree was down on Garrett Rd near Red Oak Grove Rd near Modoc.  Time estimated.

Thunderstorm Wind in ORANGEBURG, SOUTH CAROLINA
From 20-JUL-23 20:39:00 to 20-JUL-23 21:12:00 (EST-5)
Location: BOLEN
Magnitude: 65.00 EG
Reported by: Department of Highways

Numerous trees were downed across the county, from east of Norway, E and SE across Orangeburg and Brookdale, to the Bowman area. Locations included Sturkie St and Bonnette Rd east of Norway.  In the Orangeburg area, trees were downed on US Hwy 178 at Deer Crossing Rd, Hillsboro Rd, US Hwy 301, Belleville Rd, Greenwood Ave.  Other trees were downed on Langley Rd west of Cameron.  In and near Bowman, trees were downed Oak St and Charleston Hwy, and on Interstate 26 and nearby side roads.
Time estimated.