A short wave trough was a catalyst for convection just west of the forecast area in the late afternoon. The convection became organized and progressed toward the coast through the evening, with numerous boundary interactions taking place while this occurred. The airmass was unstable with steep low-level lapse rates and favorable DCAPE values supportive of strong downdrafts.

Hail in DORCHESTER, SOUTH CAROLINA
From 09-AUG-11 19:10:00 to 09-AUG-11 19:11:00 (EST-5)
Location: SLANDSVILLE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter report nickel size hail on Bacons Bridge Road.

Thunderstorm Wind in HAMPTON, SOUTH CAROLINA
From 09-AUG-11 17:50:00 to 09-AUG-11 17:51:00 (EST-5)
Location: VARNVILLE
Magnitude: 55.00 EG
Property damage: 4.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Broadcast media reported trees down on Highway 278 and Highway 68 near Varnville.

Thunderstorm Wind in JASPER, SOUTH CAROLINA
From 09-AUG-11 18:17:00 to 09-AUG-11 18:18:00 (EST-5)
Location: TILLMAN
Magnitude: 60.00 EG
Property damage: 6.00K
Crop damage: 0.00K
Reported by: Law Enforcement

The Jasper county warning point reported numerous trees down around Tillman, South Carolina.

Thunderstorm Wind in JASPER, SOUTH CAROLINA
From 09-AUG-11 18:27:00 to 09-AUG-11 18:28:00 (EST-5)
Location: GRAHAMVILLE
Magnitude: 60.00 EG
Property damage: 6.00K
Crop damage: 0.00K
Reported by: Law Enforcement

The Jasper county warning point reported numerous trees down around Mitchellville, South Carolina.

Thunderstorm Wind in DORCHESTER, SOUTH CAROLINA
From 09-AUG-11 19:20:00 to 09-AUG-11 19:21:00 (EST-5)
Location: SLANDSVILLE
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported a large maple tree down in a yard along Glebe Road.

Thunderstorm Wind in COLLETON, SOUTH CAROLINA
From 09-AUG-11 19:06:00 to 09-AUG-11 19:07:00 (EST-5)
Location: HENDERSONVILLE
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported a tree down at the intersection of Edward Road and Black Creek Road.

Thunderstorm Wind in CHARLESTON, SOUTH CAROLINA
From 09-AUG-11 19:33:00 to 09-AUG-11 19:34:00 (EST-5)
Location: (CHS)CHARLESTON AFB
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Public

The public reported a tree down on Lambs Road.

Thunderstorm Wind in BEAUFORT, SOUTH CAROLINA
From 09-AUG-11 18:41:00 to 09-AUG-11 18:42:00 (EST-5)
Location: SHELDON
Magnitude: 55.00 EG
Property damage: 6.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported numerous trees down in Sheldon.

Thunderstorm Wind in DORCHESTER, SOUTH CAROLINA
From 09-AUG-11 19:11:00 to 09-AUG-11 19:12:00 (EST-5)
Location: SUMMERVILLE
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported a tree down on Sawgrass Drive.

Thunderstorm Wind in BEAUFORT, SOUTH CAROLINA
From 09-AUG-11 19:00:00 to 09-AUG-11 19:01:00 (EST-5)
Location: BEAUFORT CO ARPT
Magnitude: 55.00 EG
Property damage: 4.00K
Crop damage: 0.00K
Reported by: Law Enforcement

The Beaufort county warning point reported several trees down on Ladys Island South Carolina.

Thunderstorm Wind in DORCHESTER, SOUTH CAROLINA
From 09-AUG-11 19:23:00 to 09-AUG-11 19:24:00 (EST-5)
Location: SLANDSVILLE
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Public

The public reported a large tree snapped mid way up and fell on a home under construction in Taylor Plantation.

Thunderstorm Wind in DORCHESTER, SOUTH CAROLINA
From 09-AUG-11 19:07:00 to 09-AUG-11 19:08:00 (EST-5)
Location: SUMMERVILLE
Magnitude: 55.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Public

The public reported numerous trees split in half and several trees uprooted in Quail Arbor V along Sylvan Terrace. A tree was also blown down on a fence and camper.

Thunderstorm Wind in BEAUFORT, SOUTH CAROLINA
From 09-AUG-11 18:33:00 to 09-AUG-11 18:34:00 (EST-5)
Location: SHELDON
Magnitude: 50.00 EG
Property damage: 0.50K
Crop damage: 0.00K
Reported by: Emergency Manager

A emergency manager reported limbs down and blocking the road near the intersection of Old Sheldon Church Road and Trask Parkway.

Thunderstorm Wind in BEAUFORT, SOUTH CAROLINA
From 09-AUG-11 18:46:00 to 09-AUG-11 18:47:00 (EST-5)
Location: DALE
Magnitude: 50.00 EG
Property damage: 3.25K
Crop damage: 0.00K
Reported by: Emergency Manager

A emergency manager reported wires and trees down near the intersection of Keans Neck Road and Kinloch Road.

Thunderstorm Wind in BEAUFORT, SOUTH CAROLINA
From 09-AUG-11 18:50:00 to 09-AUG-11 18:51:00 (EST-5)
Location: WADDELL GARDENS
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: County Official

A county official reported a tree down and blocking Dogwood Street.

Thunderstorm Wind in BEAUFORT, SOUTH CAROLINA
From 09-AUG-11 18:53:00 to 09-AUG-11 18:54:00 (EST-5)
Location: BEAUFORT CO ARPT
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: County Official

A county official reported a tree down and blocking both lanes of Sams Point Road.

Thunderstorm Wind in BEAUFORT, SOUTH CAROLINA
From 09-AUG-11 18:59:00 to 09-AUG-11 19:00:00 (EST-5)
Location: WADDELL GARDENS
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: County Official

A county official reported a tree down and blocking a roadway in front of residence on Ridenour Place.

Thunderstorm Wind in BEAUFORT, SOUTH CAROLINA
From 09-AUG-11 19:17:00 to 09-AUG-11 19:18:00 (EST-5)
Location: SHELL PT
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: County Official

A county official reported a tree down near the intersection of Cherokee Farms Road and Joe Frazier Road.

Thunderstorm Wind in BEAUFORT, SOUTH CAROLINA
From 09-AUG-11 19:35:00 to 09-AUG-11 19:36:00 (EST-5)
Location: SHELDON
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: County Official

A county official reported a tree down and blocking both lanes of Cotton Hall Road.

Thunderstorm Wind in BEAUFORT, SOUTH CAROLINA
From 09-AUG-11 18:53:00 to 09-AUG-11 18:54:00 (EST-5)
Location: PORT ROYAL
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: County Official

A tree fell on a vehicle on Waddel Road.

Thunderstorm Wind in BEAUFORT, SOUTH CAROLINA
From 09-AUG-11 18:55:00 to 09-AUG-11 18:56:00 (EST-5)
Location: BEAUFORT
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: County Official

A county official reported a tree down and blocking Adventure Street.

Thunderstorm Wind in DORCHESTER, SOUTH CAROLINA
From 09-AUG-11 23:10:00 to 09-AUG-11 23:11:00 (EST-5)
Location: SLANDSVILLE
Magnitude: 70.00 EG
Property damage: 6.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported numerous trees down on Bacons Bridge Road.

Thunderstorm Wind in CHARLESTON, SOUTH CAROLINA
From 09-AUG-11 19:47:00 to 09-AUG-11 19:48:00 (EST-5)
Location: DRAYTON
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Public

The public reported a tree down at Shadowmoss golf course.

Thunderstorm Wind in DORCHESTER, SOUTH CAROLINA
From 09-AUG-11 19:15:00 to 09-AUG-11 19:16:00 (EST-5)
Location: SUMMERVILLE
Magnitude: 55.00 EG
Property damage: 8.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported numerous trees and power lines down at Coosaw Creek Country Club.

Thunderstorm Wind in DORCHESTER, SOUTH CAROLINA
From 09-AUG-11 19:20:00 to 09-AUG-11 19:21:00 (EST-5)
Location: SUMMERVILLE
Magnitude: 55.00 EG
Property damage: 3.25K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported trees and power lines down across Old Trolley Road.

Thunderstorm Wind in DORCHESTER, SOUTH CAROLINA
From 09-AUG-11 19:27:00 to 09-AUG-11 19:28:00 (EST-5)
Location: SLANDSVILLE
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported a tree in roadway, near Summerville, South Carolina.

Thunderstorm Wind in HAMPTON, SOUTH CAROLINA
From 09-AUG-11 17:50:00 to 09-AUG-11 17:51:00 (EST-5)
Location: CUMMINGS
Magnitude: 60.00 EG
Property damage: 30.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Broadcast media reported a roof ripped off a trailer and several pecan trees uprooted, near Barkerville, South Carolina.

Thunderstorm Wind in BEAUFORT, SOUTH CAROLINA
From 09-AUG-11 19:03:00 to 09-AUG-11 19:04:00 (EST-5)
Location: BLUFFTON
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported a gust near 60 mph in Bluffton, South Carolina.