Isolated severe thunderstorms occurred around the central midlands producing locally heavy rains and a couple of microbursts that took down trees.
Every event with a place to put it. 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 episode as NWS CAE wrote it up.
Isolated severe thunderstorms occurred around the central midlands producing locally heavy rains and a couple of microbursts that took down trees.
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 17, 1:43 PM EST, 4 hours 2 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE COLUMBIA SC 243 PM EDT TUE AUG 17 2010 .SYNOPSIS... A TROPICAL AIRMASS WILL REMAIN OVER THE REGION THROUGH THURSDAY. A COLD FRONT STALL NORTH OF THE MIDLANDS WILL MOVE INTO THE AREA FOR THE END OF THE WEEK. && .NEAR TERM /THROUGH TONIGHT/... A COLD FRONT WILL REMAIN NORTH OF THE AREA OVERNIGHT. UPPER LEVEL RIDGING WILL HOLD OVERNIGHT WITH ANY SIGNIFICANT SHORT WAVE NORTH AND WEST OF THE AREA. AIRMASS REMAINS UNSTABLE AND MOIST WITH PH2O BETWEEN 2.0 AND 2.4 INCHES. AS A RESULT...MOST OF THE CONVECTION WILL BE DIURNAL...ENDING WITH SUNSET. FOR OVERNIGHT LOWS...WENT WITH CONSENSUS IN THE LOW TO MID 70S. && .SHORT TERM /WEDNESDAY THROUGH THURSDAY NIGHT/... THE COLD FRONT NORTH OF THE AREA IS FORECAST TO STALL TO THE NORTH THROUGH WEDNESDAY..THEN MAY WORK ITS WAY SOUTHWARD INTO THE AREA THURSDAY. THE MID/UPPER LEVEL RIDGE OVER THE SOUTHEASTERN STATES WILL BE PUSHED SOUTHWARD AS A TROUGH CROSSES THE GREAT LAKES REGION AND MS RIVER VALLEY. OUR AIRMASS REMAINS MOIST AND UNSTABLE...SO MAINLY DIURNAL SHOWERS AND TSTMS AREA EXPECTED. BEST CHANCE FOR CONVECTION LOOKS TO BE NORTH..CLOSER TO FRONTAL CONVERGENCE. CONSENSUS LOW TEMPERATURES IN THE MID 70S LOOK REASONABLE. UNDERCUT GUIDANCE HIGHS BY A DEGREE OR TWO GIVEN WARM BIAS PAST FEW DAYS. && .LONG TERM /FRIDAY THROUGH MONDAY/... THE MID AND UPPER LEVEL RIDGE OVER THE THE SOUTHEASTERN STATES FRIDAY IS REPLACED BY TROUGHINESS EARLY NEXT WEEK AS A BROAD TROUGH MOVES INTO THE EASTERN UNITED STATES. THE SURFACE FRONT OVER THE AREA FRIDAY IS FORECAST TO DRIFT SOUTH OVER THE WEEKEND AND STALL. WEAK SURFACE HIGH PRESSURE IS PROGGED TO EXTEND FROM THE CENTRAL APPALACHIANS INTO THE TN VALLEY. HIGH PH2O OVER THE WEEKEND DRIES OUT FROM THE NORTH MONDAY INTO TUESDAY. BEST CHANCE FOR PRECIP IS PUSHED SOUTH NEXT WEEK. HIGHS IN THE LOW/MID 90S WITH LOWS IN THE LOW/MID 70S. && .AVIATION /18Z TUESDAY THROUGH SUNDAY/... VFR CONDITIONS REPORTED AT 17Z. RADAR INDICATING SCATTERED SHOWERS AND A FEW THUNDERSTORMS DEVELOPING. WILL EXPECT GOOD CHANCE OF SHOWER ACTIVITY TODAY WITH SCATTERED THUNDERSTORMS. FOR NOW...WILL HANDLE WITH VCSH AND A TEMPO GROUP FOR SHRA. WILL AMEND IF/WHEN CONFIDENCE OF TSRA AFFECTING TAF SITES WARRANTS. LAMP GUIDANCE INDICATING CIG/VSBY RESTRICTIONS AGAIN LATE TONIGHT. EXTENDED AVIATION OUTLOOK...EXPECT MVFR OR IFR CONDITIONS IN STRATUS AND FOG MAINLY DURING THE LATE NIGHTS AND EARLY MORNINGS. ALSO...RESTRICTIONS MAY OCCUR IN MAINLY AFTERNOON AND EVENING THUNDERSTORMS. && .CAE WATCHES/WARNINGS/ADVISORIES... SC...NONE. GA...NONE. && SYNOPSIS...10 NEAR TERM...10 SHORT TERM...10 LONG TERM...10 AVIATION...31
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE COLUMBIA SC 421 AM EDT TUE AUG 17 2010 GAZ040-063>065-077-SCZ015-016-018-020>022-025>031-035>038-041-180830- LINCOLN-MCDUFFIE-COLUMBIA-RICHMOND-BURKE-LANCASTER-CHESTERFIELD- MCCORMICK-NEWBERRY-FAIRFIELD-KERSHAW-EDGEFIELD-SALUDA-LEXINGTON- RICHLAND-LEE-AIKEN-SUMTER-BARNWELL-ORANGEBURG-CALHOUN-CLARENDON- BAMBERG- 421 AM EDT TUE AUG 17 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL GEORGIA AND CENTRAL SOUTH CAROLINA. .DAY ONE...TODAY AND TONIGHT. SHOWERS AND THUNDERSTORMS THIS AFTERNOON AND EVENING MAY PRODUCE HEAVY RAINFALL. THERE IS A POTENTIAL FOR THE HEAVY RAINFALL TO CREATE STANDING WATER IN LOW LYING AND POOR DRAINAGE AREAS. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA SC 611 PM EDT TUE AUG 17 2010 SCZ027-172315- LEXINGTON- 611 PM EDT TUE AUG 17 2010 ...STRONG THUNDERSTORMS AFFECTING LEXINGTON COUNTY... AT 609 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF STRONG THUNDERSTORMS APPROACHING THE PELION...LEXINGTON... AND RED BANK AREA FROM THE WEST. EXPECT VERY HEAVY DOWNPOURS... WIND GUSTS NEAR 40 MPH...AND OCCASIONAL LIGHTNING WITH THESE STORMS. SOME FLOODING WILL OCCUR IN POOR-DRAINAGE AREAS. DO NOT ATTEMPT TO DRIVE ON FLOODED ROADS. ON FOOT...KEEP AWAY FROM STORM DRAINS. REPORT DAMAGING WINDS OR FLOODING TO YOUR COUNTY SHERIFF...OR CALL THE NATIONAL WEATHER SERVICE TOLL FREE AT 1...8 7 7...6 3 3...6 7 7 2.
The Columbia radar (KCAE), 11 km away, was scanning. The volume nearest the first event began at 22:44 UTC.
2 thunderstorm wind. Local standard time, as filed.
Tree down on Cherokee Trail near Northwood Drive.
Trees down on Beechwoods Drive near Hallmark Drive.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in South Carolina in 2010Every state in 2010This day in weather historyWarnings in South Carolina, August 2010
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: 242002, 242003.