1 flash flood, as filed by the National Weather Service.
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
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.
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 Columbia, SC wrote its last area forecast discussion before the first event at Aug 10, 9:17 AM EST, 3 hours 13 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE COLUMBIA SC 1017 AM EDT SUN AUG 10 2003 WILL SEND QUICK UPDATE TO ZONE FORECAST PACKAGE TO TAKE OUT WORDING MAINLY THIS AFTERNOON. CAE 88D SHOWS CONVECTION ALREADY POPPING UP. IT SHOULD PERSIST ON INTO THE AFTERNOON AS RUC MODEL GIVING WEAK PVA OVER THE CAE CWA THROUGH 00Z. OTHERWISE...TEMPS AND POPS STILL LOOK OK. FCSTID = 7 CAE 88 70 89 71 / 40 30 30 30 AGS 88 69 89 70 / 40 30 30 30 SSC 88 70 89 71 / 40 30 30 30 OGB 88 70 89 71 / 40 30 30 30 .CAE... GA...NONE. SC...NONE. TTH THE FOLLOWING IS THE PREVIOUS FORECAST DISCUSSION. ************************************************************** AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE COLUMBIA SC 300 AM EDT SUN AUG 10 2003 SUBTLE CHANGES IN THE DAY TO DAY PATTERN. LONGWAVE TROUGH JUST TO THE WEST WITH A SERIES OF SHORTWAVES CONTINUING TO ROTATE THROUGH THE AREA NEXT 2 DAYS. UPPER PATTERN GRADUALLY CHANGES AS BASE OF THE LONGWAVE TROUGH SHEARS AND CLOSES OFF THEN RETROGRADES SLOWLY TO THE WEST. HOWEVER THE INFLUX OF GULF AND ATLANTIC MOISTURE CONTINUES FOR A DAILY CHANCE OF SHOWERS AND THUNDERSTORMS. THE BEST CHANCE OF RAIN WILL BE MAINLY IN THE AFTERNOON AND EARLY NIGHT DURING THE HIGHEST INSTABILITY. DAYTIME TEMPERATURES WILL START OUT A TAD BELOW NORMAL THEN RISE TO NORMAL BY MID WEEK AS 500 MILLIBAR HEIGHTS INCREASE SLIGHTLY. FIRE WEATHER FORECAST...MIXING HEIGHT 4000 FEET TODAY. TRANSPORT WIND SSW 7 MPH. FCSTID = 30 CAE 88 70 89 71 / 40 30 30 30 AGS 88 69 89 70 / 40 30 30 30 SSC 88 70 89 71 / 40 30 30 30 OGB 88 70 89 71 / 40 30 30 30 .CAE... GA...NONE. SC...NONE. RCC
GAZ040-063>065-077-SCZ015-016-018-020>022-025>031-035>038-041-101030- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE COLUMBIA SC 437 AM EDT SUN AUG 10 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE MIDLANDS OF SOUTH CAROLINA AND THE CENTRAL SAVANNAH RIVER AREA. .DAY ONE... MINOR RIVER FLOODING WILL CONTINUE ON THE LOWER CONGAREE RIVER. SEE THE LATEST FLOOD STATEMENT ISSUED UNDER CAEFLSCAE. .DAYS TWO THROUGH SEVEN... NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. MINOR RIVER FLOODING WILL CONTINUE ON THE LOWER CONGAREE RIVER MONDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED. AWP
The Columbia radar (KCAE), 66 km away, was scanning. The volume nearest the first event began at 17:28 UTC.
1 flash flood. Local standard time, as filed.
Sheriff reported several streets flooded and closed in Aiken. Also, the exit 22 ramp on I-20 was closed due to flooding.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in South Carolina in 2003Every state in 2003This day in weather historyWarnings in South Carolina, August 2003
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 2026-09-24. Each event’s entry at NCEI: 5370917.