A mid level shortwave trough passed just north and west of the region throughout the day. Forcing associated with this feature interacted with a deep plume of moisture, helping produce widespread rain along and east of Interstate 95.  Training of showers and thunderstorms led to precipitation rates as high as 3 to 4 inches per hour and resulted in several areas of flash flooding particularly in the Charleston Tri-County region during the morning rush hour.  Many locations reported 4 to 8 inches of rain and an elevated morning high tide exacerbated flooding in coastal locations, including downtown Charleston.

Flash Flood in BERKELEY, SOUTH CAROLINA
From 31-AUG-15 05:45:00 to 31-AUG-15 07:16:00 (EST-5)
Location: GOOSE CREEK
Flood cause: Heavy Rain
Property damage: 37.50K
Crop damage: 0.00K
Reported by: 911 Call Center

The Berkeley County 911 Call Center reported flooding on Lighthouse Drive and Pineshadow Drive in Goose Creek. Three cars were also flooded. Flooding was also reported at the intersection of Howe Hall and Keyes Lane. One car was also stalled at the intersection. A ham radio operator also relayed a report of car submerged in water and floating at the intersection of Crystal Springs Drive and Tarpon Street.

Flash Flood in JASPER, SOUTH CAROLINA
From 31-AUG-15 04:15:00 to 31-AUG-15 05:15:00 (EST-5)
Location: OLD HOUSE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported the intersection of Lowcountry Drive and Chippa Willow Road closed due to high water.

Flash Flood in CHARLESTON, SOUTH CAROLINA
From 31-AUG-15 07:50:00 to 31-AUG-15 08:50:00 (EST-5)
Location: ASHLEY JCT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

The Charleston County 911 Call Center reported water entering homes at the intersection of Remount Road and Chatham Avenue.

Flash Flood in CHARLESTON, SOUTH CAROLINA
From 31-AUG-15 08:04:00 to 31-AUG-15 08:50:00 (EST-5)
Location: MIDLAND PARK
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

The Charleston County 911 Call Center reported Rivers Avenue closed between Eagle Drive and Midland Park Road due to flooding.

Flash Flood in CHARLESTON, SOUTH CAROLINA
From 31-AUG-15 07:15:00 to 31-AUG-15 08:15:00 (EST-5)
Location: CHARLESTON HGTS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

An electrical substation on the Navy base was flooded with 2 to 3 feet of water.

Flash Flood in CHARLESTON, SOUTH CAROLINA
From 31-AUG-15 08:35:00 to 31-AUG-15 08:50:00 (EST-5)
Location: (CHS)CHARLESTON AFB
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

A NWS employee reported water entering businesses at the intersection of Benderson Drive and Rivers Avenue. Water depth was estimated around 2.5 feet.

Flash Flood in CHARLESTON, SOUTH CAROLINA
From 31-AUG-15 08:06:00 to 31-AUG-15 08:50:00 (EST-5)
Location: CITADEL
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

The Charleston Police Department reported the intersection of King Street and Huger Street closed due to flooding.

Flash Flood in CHARLESTON, SOUTH CAROLINA
From 31-AUG-15 06:43:00 to 31-AUG-15 07:58:00 (EST-5)
Location: DUPONT
Flood cause: Heavy Rain
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Broadcast media, social media as well as the Charleston County 911 Call Center and public reported numerous locations of flooding due to heavy rainfall. Highway 61 was flooded and closed at the intersection of Muirfield Parkway and Greenridge Road. Part of an embankment collapsed near the intersection of Interstate 526 and Dorchester Road. Water was reported entering homes along Shadowmoss Parkway and the Charleston County Swiftwater Rescue Team was deployed to Shadowmoss to evacuate a residence. Severe flooding was reported within the Charlestowne Village Mobile Home Park.  Approximately 1 to 2 feet of water was in the first floor of Dorchester Gardens Apartments and 2 to 3 feet of water was in the first floor of The Reserve At Ashley River Apartments off Dorchester Road. Approximately 2 feet of water was also reported in a furnishings business off Dorchester Road with significant monetary damage.

Flash Flood in CHARLESTON, SOUTH CAROLINA
From 31-AUG-15 06:50:00 to 31-AUG-15 07:58:00 (EST-5)
Location: DEER PARK
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Broadcast media reported the intersection of Greenridge Road and Crossroads Drive closed due to flooding.

Flash Flood in CHARLESTON, SOUTH CAROLINA
From 31-AUG-15 06:41:00 to 31-AUG-15 07:41:00 (EST-5)
Location: NAVY YARD
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Broadcast media reported that Charleston County Rescue was dispatched for water rescue in North Charleston.

Thunderstorm Wind in COLLETON, SOUTH CAROLINA
From 31-AUG-15 00:15:00 to 31-AUG-15 00:16:00 (EST-5)
Location: WALTERBORO MUNI ARPT
Magnitude: 50.00 EG
Reported by: Department of Highways

The South Carolina State Highway Patrol reported a tree down on Jefferies Highway.

Flash Flood in BEAUFORT, SOUTH CAROLINA
From 31-AUG-15 04:45:00 to 31-AUG-15 05:15:00 (EST-5)
Location: PRITCHARD
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

The Highway Patrol reported a road closed due to flooding at the intersection of Okatie Highway and Fording Island Road.