Daytime heating and a weak surface trough led to the development of scattered thunderstorms, some of which produced severe wind gusts, sub-severe hail and urban flash flooding.

Thunderstorm Wind in RICHLAND, SOUTH CAROLINA
From 28-JUL-21 20:09:00 to 28-JUL-21 20:11:00 (EST-5)
Location: WHITE ROCK
Magnitude: 50.00 EG
Reported by: Law Enforcement

SCHP reported tree in the roadway at Old Rd and Richard Franklin Rd near Lake Murray, south of White Rock. Time estimated.

Hail in CHESTERFIELD, SOUTH CAROLINA
From 28-JUL-21 16:55:00 to 28-JUL-21 16:57:00 (EST-5)
Location: CHERAW MUNI ARPT
Magnitude: 0.75 
Reported by: Public

Public reported hail up to 3/4 in. near Cheraw Municipal Airport. Time estimated.

Thunderstorm Wind in RICHLAND, SOUTH CAROLINA
From 28-JUL-21 20:05:00 to 28-JUL-21 20:07:00 (EST-5)
Location: WHITE ROCK
Magnitude: 50.00 EG
Reported by: Law Enforcement

SCHP reported a tree in the roadway at Three Dog Rd and Back Acres Rd. Time estimated.

Thunderstorm Wind in KERSHAW, SOUTH CAROLINA
From 28-JUL-21 18:30:00 to 28-JUL-21 18:33:00 (EST-5)
Location: BLANEY
Magnitude: 55.00 EG
Reported by: 911 Call Center

Kershaw Co Dispatch reported a large tree down on White Pond Rd near Interstate 20 close to the truck stop. Time estimated.

Thunderstorm Wind in CHESTERFIELD, SOUTH CAROLINA
From 28-JUL-21 16:52:00 to 28-JUL-21 16:52:00 (EST-5)
Location: CHERAW MUNI ARPT
Magnitude: 59.00 MG
Reported by: AWOS

AWOS unit at Cheraw Municipal Airport measured a wind gust of 59 kts or 68 mph.

Thunderstorm Wind in KERSHAW, SOUTH CAROLINA
From 28-JUL-21 17:24:00 to 28-JUL-21 17:30:00 (EST-5)
Location: BETHUNE
Magnitude: 60.00 EG
Reported by: 911 Call Center

Kershaw Co. Dispatch reported trees down on Mill Creek Rd. in Bethune, exact location not given. Trees also down at Porter Rd. and Newman Rd. North of Bethune. Time estimated.

Thunderstorm Wind in LANCASTER, SOUTH CAROLINA
From 28-JUL-21 18:22:00 to 28-JUL-21 18:32:00 (EST-5)
Location: LINGLES XRDS
Magnitude: 60.00 EG
Reported by: Emergency Manager

A trained spotter with the Buford Fire Dept reported a tree down on Wadell Stinson Rd estimated to have occurred around 18:22 EST (19:22 EDT). The same spotter also reported a tree fell on a home on Cimmeron Rd around 18:30 EST (19:30 EDT) with significant damage to the home but no injuries. A few doors down, a tree fell on a car along Berkley Way. Spotter reports confirmed by Lancaster Co Emergency Manager.

Thunderstorm Wind in KERSHAW, SOUTH CAROLINA
From 28-JUL-21 18:15:00 to 28-JUL-21 18:18:00 (EST-5)
Location: LUGOFF
Magnitude: 55.00 EG
Reported by: 911 Call Center

Kershaw Co Dispatch reported a large tree downed on Burdell Rd in Lugoff. Time estimated.

Thunderstorm Wind in KERSHAW, SOUTH CAROLINA
From 28-JUL-21 18:15:00 to 28-JUL-21 18:18:00 (EST-5)
Location: LUGOFF
Magnitude: 50.00 EG
Reported by: Law Enforcement

SCHP reported a tree in the roadway at US HWY 601 and US HWY 1 in Lugoff. Time estimated.

Thunderstorm Wind in RICHLAND, SOUTH CAROLINA
From 28-JUL-21 20:10:00 to 28-JUL-21 20:13:00 (EST-5)
Location: HILTON
Magnitude: 55.00 EG
Reported by: Social Media

Picture shared on social media of a tree that fell on a house causing roof damage off of Johnson Marina Rd near Lake Murray. Time estimated.

Thunderstorm Wind in CHESTERFIELD, SOUTH CAROLINA
From 28-JUL-21 16:51:00 to 28-JUL-21 16:59:00 (EST-5)
Location: CHERAW MUNI ARPT
Magnitude: 60.00 EG
Reported by: 911 Call Center

A tree fell onto an apartment complex on Basin St. in Cheraw. Extent of damage unknown. Two power lines downed on Four Mile Loop Rd.  Power lines down on US Hwy 52 near Cheraw. Time estimated.

Flash Flood in RICHLAND, SOUTH CAROLINA
From 28-JUL-21 18:58:00 to 28-JUL-21 19:30:00 (EST-5)
Location: OLYMPIA MILLS
Flood cause: Heavy Rain
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Social Media

Flash flooding occurred at the intersection of Whaley St and Main St in downtown Columbia. At 8:01PM, a storm chaser sent a photo on social media of a vehicle stuck in floodwaters. The two occupants left the vehicle safely with no injuries reported. The USGS gage on the Rocky Branch Creek reached a peak of 9.14 feet at 8:15PM.