Torrential heavy rainfall developed in the late morning hours within the broad circulation and deep tropical moisture around Tropical Cyclone Isaac. The heavy rainfall producing thunderstorms produced widespread flash flooding in and around Downtown Charleston.

Flash Flood in CHARLESTON, SOUTH CAROLINA
From 28-AUG-12 10:30:00 to 28-AUG-12 22:30:00 (EST-5)
Location: CHARLESTON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Numerous reports of street flooding in Downtown Charleston. Calhoun Street is impassable.

Flash Flood in CHARLESTON, SOUTH CAROLINA
From 28-AUG-12 10:42:00 to 28-AUG-12 11:42:00 (EST-5)
Location: CENTERVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

The broadcast media relayed a report of fire rescue responding to a stranded vehicle on Hunley Avenue near Folly Road.

Flash Flood in CHARLESTON, SOUTH CAROLINA
From 28-AUG-12 10:45:00 to 28-AUG-12 22:30:00 (EST-5)
Location: CITADEL
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reports the road impassable along King Street near Huger Street in Downtown Charleston.

Flash Flood in CHARLESTON, SOUTH CAROLINA
From 28-AUG-12 11:05:00 to 28-AUG-12 12:05:00 (EST-5)
Location: DUPONT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

South Carolina Highway Patrol reports Savage Road near Interstate 526 closed due to flooding.

Flash Flood in CHARLESTON, SOUTH CAROLINA
From 28-AUG-12 11:27:00 to 28-AUG-12 15:27:00 (EST-5)
Location: THE GROVES
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Coleman Boulevard near Moultrie Middle School has been closed due to flooding.

Flash Flood in CHARLESTON, SOUTH CAROLINA
From 28-AUG-12 11:33:00 to 28-AUG-12 22:30:00 (EST-5)
Location: DORCHESTER
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

Charleston County dispatch reported flooding and stranded vehicles on Azalea Drive from Cosgrove Avenue to Meeting Street, including Industrial Avenue.

Flash Flood in CHARLESTON, SOUTH CAROLINA
From 28-AUG-12 13:42:00 to 28-AUG-12 22:30:00 (EST-5)
Location: MARYVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement report that numerous roads remain flooded and water has entered many homes and businesses. Water rescues are still ongoing and the market area is completely flooded.

Flash Flood in CHARLESTON, SOUTH CAROLINA
From 28-AUG-12 13:50:00 to 28-AUG-12 14:50:00 (EST-5)
Location: ASHLEY HALL
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reports water entering homes on Hazelwood Drive.

Flash Flood in CHARLESTON, SOUTH CAROLINA
From 28-AUG-12 14:34:00 to 28-AUG-12 17:34:00 (EST-5)
Location: ASHLEY JCT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Broadcast media reports several roads in North Charleston flooded including Noisette Boulevard, McMillan, St. Johns, Buist at Park Place, Viaduct, and Hobson.

Flash Flood in CHARLESTON, SOUTH CAROLINA
From 28-AUG-12 14:55:00 to 28-AUG-12 15:55:00 (EST-5)
Location: PINECREST
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reports that Emory Avenue is flooded and only passable by tall trucks. Many yards are flooded and water is surrounding some homes.

Flash Flood in CHARLESTON, SOUTH CAROLINA
From 28-AUG-12 19:30:00 to 28-AUG-12 22:30:00 (EST-5)
Location: CHARLESTON
Flood cause: Heavy Rain
Property damage: 750.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The College of Charleston Emergency Manager reports that twenty three buildings on campus have sustained damage from flash flooding. Flood waters are still in place across much of the campus.

Flash Flood in CHARLESTON, SOUTH CAROLINA
From 28-AUG-12 11:15:00 to 28-AUG-12 22:30:00 (EST-5)
Location: MARYVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Charleston Emergency Management reported twenty separate stranded vehicles in and around Downtown Charleston that police and fire department crews are responding to.