Warm and unstable air in advance of a cold front and mid-level shortwave along with a sea breeze interacting with convective outflow boundaries led to severe thunderstorms across southeast South Carolina.

Flash Flood in CHARLESTON, SOUTH CAROLINA
From 12-JUN-21 18:30:00 to 12-JUN-21 21:00:00 (EST-5)
Location: CHARLESTON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency management and social media indicated several businesses along Market Street flooded with 8 to 16 inches of standing water inside buildings. Additionally, rainfall amounts around 3.5 inches resulted in the following streets, intersections, and areas in downtown Charleston to be closed due to flooding: Calhoun Street between Rutledge Avenue and Smith Street, Chisolm Street between Broad Street and Tradd Street, Colonial Street between Broad Street and Tradd Street, Hagood Avenue at Fishburne Street, King Street at Huger Street, Market Street between Meeting Street and East Bay Street, Romney Street at North Nassau Street, Smith Street at Marion Street, Tradd Street between Chisholm Street and East Bay Street, the Crosstown Expressway between Coming Street and Norman Street, Washington Street and Concord Street between Laurens Street and Queens Street, the Harleston Village area and the White Point Gardens area.

Thunderstorm Wind in BEAUFORT, SOUTH CAROLINA
From 12-JUN-21 17:00:00 to 12-JUN-21 17:01:00 (EST-5)
Location: SHELDON
Magnitude: 50.00 EG
Reported by: Emergency Manager

A Beaufort County emergency manager reported a large tree down in the middle of the roadway near the intersection of Old Sheldon Church Road and Trask Parkway.

Thunderstorm Wind in BEAUFORT, SOUTH CAROLINA
From 12-JUN-21 17:32:00 to 12-JUN-21 17:33:00 (EST-5)
Location: GRAYS HILL
Magnitude: 50.00 EG
Reported by: Emergency Manager

A Beaufort County emergency manager reported a tree across the roadway at the intersection of Clarendon Road and Trask Parkway.

Thunderstorm Wind in BEAUFORT, SOUTH CAROLINA
From 12-JUN-21 17:47:00 to 12-JUN-21 17:48:00 (EST-5)
Location: BEAUFORT CO ARPT
Magnitude: 50.00 EG
Reported by: Emergency Manager

A Beaufort County emergency manager reported trees on power lines near the 300 block of Sea Island Parkway.

Thunderstorm Wind in BEAUFORT, SOUTH CAROLINA
From 12-JUN-21 17:53:00 to 12-JUN-21 17:54:00 (EST-5)
Location: PORT ROYAL
Magnitude: 50.00 EG
Reported by: Emergency Manager

A Beaufort County emergency manager reported a tree down on Bay Drive.

Thunderstorm Wind in BEAUFORT, SOUTH CAROLINA
From 12-JUN-21 17:59:00 to 12-JUN-21 18:00:00 (EST-5)
Location: BAILEYS LNDG
Magnitude: 50.00 EG
Reported by: Emergency Manager

A Beaufort County emergency manager reported a tree blocking Okatie Bluff Road near the intersection with Camp Saint Marys Road.

Thunderstorm Wind in BEAUFORT, SOUTH CAROLINA
From 12-JUN-21 18:49:00 to 12-JUN-21 18:50:00 (EST-5)
Location: BEAUFORT
Magnitude: 50.00 EG
Reported by: Emergency Manager

A Beaufort County emergency manager reported a tree down and blocking both lanes of Wilmington Street near the intersection with Prince Street.

Thunderstorm Wind in BEAUFORT, SOUTH CAROLINA
From 12-JUN-21 18:08:00 to 12-JUN-21 18:09:00 (EST-5)
Location: BAILEYS LNDG
Magnitude: 50.00 EG
Reported by: Emergency Manager

A Beaufort County emergency manager reported a tree down on a vehicle on the 300 block of Fording Island Road.

Thunderstorm Wind in BEAUFORT, SOUTH CAROLINA
From 12-JUN-21 18:14:00 to 12-JUN-21 18:15:00 (EST-5)
Location: PRITCHARDVILLE
Magnitude: 50.00 EG
Reported by: Emergency Manager

A Beaufort County emergency manager reported a tree down on New Riverside Road near the entrance to Palmetto Bluff.

Thunderstorm Wind in BEAUFORT, SOUTH CAROLINA
From 12-JUN-21 18:26:00 to 12-JUN-21 18:27:00 (EST-5)
Location: FOREST BEACH
Magnitude: 50.00 EG
Reported by: Emergency Manager

A Beaufort County emergency manager a tree down across several vehicles in a parking lot near the 40th block of Queens Folly Road.

Thunderstorm Wind in BEAUFORT, SOUTH CAROLINA
From 12-JUN-21 17:11:00 to 12-JUN-21 17:12:00 (EST-5)
Location: WILKINS
Magnitude: 50.00 EG
Reported by: Emergency Manager

A Beaufort County emergency manager reported a tree down on a power line, causing a fire near the 100 block of Gannet Point Road.

Thunderstorm Wind in BEAUFORT, SOUTH CAROLINA
From 12-JUN-21 17:50:00 to 12-JUN-21 17:51:00 (EST-5)
Location: PORT ROYAL
Magnitude: 40.00 EG
Property damage: 1.25K
Reported by: Emergency Manager

A Beaufort County emergency manager reported live power lines down near the 1600 block of Edinburgh Avenue.