South Carolina, 2009

Flash Flooding in South Carolina, July 8, 2009

July 8, 2009 · NWS CHS · 15 events in 4 counties and zones

A stationary frontal boundary in combination with abundant tropical moisture, resulted in numerous showers and thunderstorms and localized flash flooding across portions of southern South Carolina.

Where it happened

Every event with a place to put it. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
$30,000
Crop damage
None recorded
Events
15

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS CHS wrote it up.

A stationary frontal boundary in combination with abundant tropical moisture, resulted in numerous showers and thunderstorms and localized flash flooding across portions of southern South Carolina.

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Charleston, SC wrote its last area forecast discussion before the first event at Jul 8, 3:28 PM EST, 3 hours 17 minutes earlier.

Area forecast discussion, Jul 8, 3:28 PM EST, 3 hours 17 minutes before
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Hazardous weather outlook, Jul 8, 3:36 PM EST, 3 hours 9 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE CHARLESTON SC
436 PM EDT WED JUL 8 2009

GAZ087-088-099>101-114>119-137>141-SCZ040-042>045-047>051-091000-
JENKINS-SCREVEN-CANDLER-BULLOCH-EFFINGHAM-TATTNALL-EVANS-
INLAND BRYAN-COASTAL BRYAN-INLAND CHATHAM-COASTAL CHATHAM-LONG-
INLAND LIBERTY-COASTAL LIBERTY-INLAND MCINTOSH-COASTAL MCINTOSH-
ALLENDALE-HAMPTON-INLAND COLLETON-DORCHESTER-BERKELEY-INLAND JASPER-
BEAUFORT-COASTAL COLLETON-CHARLESTON-COASTAL JASPER-
436 PM EDT WED JUL 8 2009

...FLASH FLOOD WATCH IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST GEORGIA AND
SOUTHEAST SOUTH CAROLINA.

.DAY ONE...TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   FLASH FLOOD WATCH.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

HEAVY RAINFALL...A STALLED FRONTAL BOUNDARY WILL REMAIN IN PLACE
OVER SOUTHERN SOUTH CAROLINA THURSDAY INTO THURSDAY NIGHT.
NUMEROUS TO WIDESPREAD SHOWERS AND THUNDERSTORMS ARE EXPECTED TO
DEVELOP IN THE VICINITY OF THIS FRONT THURSDAY AFTERNOON AND
PERSIST INTO THE EVENING HOURS. SOME OF THE RAINFALL MAY BE HEAVY
AT TIMES AND WILL BE CAPABLE OF PRODUCING LOCALIZED FLOODING OF
LOW LYING AND POOR DRAINAGE AREAS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME...ALTHOUGH REPORTS
OF ANY FLOODING THIS EVENING WOULD BE APPRECIATED.

AMZ330-350-352-354-374-091000-
CHARLESTON HARBOR-
WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM...INCLUDING
GRAYS REEF NATIONAL MARINE SANCTUARY-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO
60 NM-
436 PM EDT WED JUL 8 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR ATLANTIC COASTAL WATERS.

.DAY ONE...TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

JAQ

The radar

The Charleston,SC radar (KCLX), 92 km away, was scanning. The volume nearest the first event began at 23:46 UTC.

Open the radar archive at this moment

Event by event

15 flash flood. Local standard time, as filed.

Flash Flood, Dorchester

When
July 8, 6:45 PM EST to 7:45 PM EST
Where
Dorchester County, 5.96 mi SE of Summerville to 6.07 mi SE of Summerville
Cause
Heavy Rain
Property damage
$500
Reported by
Law Enforcement
Coordinates
32.950, -80.120

Law Enforcement reported a car stranded by high water along Patriot Boulevard in Wescott Plantation, 6 miles west-southwest of Goose Creek, South Carolina.

Flash Flood, Dorchester

When
July 8, 7:00 PM EST to 7:45 PM EST
Where
Dorchester County, 8.47 mi SE of Slandsville to 8.77 mi SE of Slandsville
Cause
Heavy Rain
Property damage
$5,000
Reported by
Public
Coordinates
32.910, -80.110

The public reported significant flooding along Indigo Fields Boulevard, with at least 1 to 1.5 feet of water covering the street, and water entering the garages of many homes.

Flash Flood, Dorchester

When
July 8, 7:00 PM EST to 7:45 PM EST
Where
Dorchester County, 7.73 mi SSE of Summerville to 7.76 mi SE of Summerville
Cause
Heavy Rain
Property damage
$1,000
Reported by
Public
Coordinates
32.926, -80.108

The public reported numerous streets along Dorchester Manor Boulevard were flooded with at least 1 foot of water covering the road. Water was also significantly flooding the front and backyards of several residences.

Flash Flood, Dorchester

When
July 8, 7:10 PM EST to 7:45 PM EST
Where
Dorchester County, 3.16 mi ESE of Slandsville to 3.36 mi ESE of Slandsville
Cause
Heavy Rain
Property damage
$5,000
Reported by
Law Enforcement
Coordinates
32.959, -80.182

The Dorchester County Warning Point reported that 5 cars were stranded along Middleton Boulevard in the Ashborough East Subdivision near Summerville, South Carolina.

Flash Flood, Berkeley

When
July 8, 7:15 PM EST to 8:00 PM EST
Where
Berkeley County, Goose Creek to 0.6 mi S of Goose Creek
Cause
Heavy Rain
Property damage
$1,000
Reported by
Law Enforcement
Coordinates
32.980, -80.030

The Berkeley County Warning Point reported manhole covers were ejected due to flooding along Red Bank Road in Goose Creek, South Carolina.

Flash Flood, Charleston

When
July 8, 7:15 PM EST to 8:00 PM EST
Where
Charleston County, 1.15 mi E of Charleston Hgts to 0.83 mi N of Navy Yard
Cause
Heavy Rain
Property damage
$4,000
Reported by
Law Enforcement
Coordinates
32.852, -79.950

Numerous road closures were relayed from Charleston County Law Enforcement due to heavy rainfall. The following intersections were reported closed due to high water in North Charleston, South Carolina: Bexley and Oakwood, Spruil and Buist, Buist and Oakwood, Buist and Old Park, East Montague and Piedmont, East Montague and Railroad, and Braddock and Ashby.

Flash Flood, Charleston

When
July 8, 7:16 PM EST to 8:00 PM EST
Where
Charleston County, 0.56 mi NE of Hilldale to 0.42 mi NNE of Hilldale
Cause
Heavy Rain
Property damage
$5,000
Reported by
Law Enforcement
Coordinates
32.936, -80.044

Law Enforcement reported that Northwoods Boulevard was closed due to flooding at the Northwoods Mall in North Charleston, South Carolina.

Flash Flood, Berkeley

When
July 8, 7:20 PM EST to 8:00 PM EST
Where
Berkeley County, 2.15 mi NNW of Wando to 2.14 mi NNW of Wando
Cause
Heavy Rain
Reported by
Law Enforcement
Coordinates
32.930, -79.830

The Berkeley County Warning Point reported that Isabelle Lane was impassable due to flooding in Cainhoy, South Carolina.

Flash Flood, Colleton

When
July 8, 7:30 PM EST to 8:00 PM EST
Where
Colleton County, 1.37 mi W of Ritter to 1.35 mi NW of Green Pond
Cause
Heavy Rain
Property damage
$500
Reported by
Law Enforcement
Coordinates
32.783, -80.653

The Colleton County Warning Point reported that portions of the Green Pond Highway were impassable due to flooding near Ritter, South Carolina.

Flash Flood, Charleston

When
July 8, 7:34 PM EST to 8:10 PM EST
Where
Charleston County, 1.27 mi E of (Chs)charleston Afb to 1.36 mi E of (Chs)charleston Afb
Cause
Heavy Rain
Property damage
$5,000
Reported by
Public
Coordinates
32.901, -80.008

The public reported 1 to 4 inches of standing water inside their residence along McNew Street in Hanahan, South Carolina.

Flash Flood, Charleston

When
July 8, 8:03 PM EST to 9:15 PM EST
Where
Charleston County, 0.42 mi NNW of Scanlonville to 0.29 mi NNE of Scanlonville
Cause
Heavy Rain
Reported by
NWS Employee
Coordinates
32.806, -79.882

A National Weather Service employee reported that Williamson Drive was flooded and impassable in Mount Pleasant, South Carolina.

Flash Flood, Charleston

When
July 8, 8:04 PM EST to 8:45 PM EST
Where
Charleston County, 1.35 mi WSW of Ravenel to 0.13 mi NNE of Jericho
Cause
Heavy Rain
Property damage
$500
Reported by
Public
Coordinates
32.760, -80.250

The public reported that portions of Highway 165 were flooded and impassable in Ravenel, South Carolina.

Flash Flood, Charleston

When
July 8, 8:10 PM EST to 9:15 PM EST
Where
Charleston County, 1.12 mi S of Citadel to 0.6 mi SSW of Citadel
Cause
Heavy Rain
Property damage
$1,000
Reported by
Public
Coordinates
32.784, -79.953

The public reported that portions of the Charleston Crosstown Highway were impassable due to flooding in downtown Charleston, South Carolina.

Flash Flood, Charleston

When
July 8, 8:30 PM EST to 9:15 PM EST
Where
Charleston County, 0.69 mi N of Mt Pleasant to 0.74 mi S of The Groves
Cause
Heavy Rain
Property damage
$500
Reported by
County Official
Coordinates
32.790, -79.870

The City Manager of Mount Pleasant, South Carolina, reported that Coleman Boulevard was closed at the intersection with Simmons Street near Moultrie Middle School due to high water covering the road.

Flash Flood, Charleston

When
July 8, 8:45 PM EST to 9:15 PM EST
Where
Charleston County, 0.21 mi WNW of Charleston to 0.19 mi W of Charleston
Cause
Heavy Rain
Property damage
$1,000
Reported by
Public
Coordinates
32.782, -79.933

The public reported around 2 feet of standing water near Market and Meeting Streets, making portions of the roads impassable in downtown Charleston, South Carolina.

What these are

Flash Flood
Flooding that begins within six hours of the rain that causes it, or of a dam or levee failure or ice jam release, often with deadly speed.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in South Carolina in 2009Every state in 2009This day in weather historyWarnings in South Carolina, July 2009

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 189866, 189871, 190204, 190208, 190187, 190195, 190189, 190188, 190199, 190192, 190190, 190194, 190193, 190197, 190196.