but one storm did become severe.
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.
Widely Scattered Thunderstorms developed across the area...mainly producing locally heavy rain...but one storm did become severe.
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 Jul 9, 1:51 PM EST, 46 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE COLUMBIA SC 251 PM EDT SAT JUL 9 2011 .SYNOPSIS... A WEAK FRONTAL BOUNDARY WILL SLOWLY DRIFT SOUTHWARD INTO THE NORTHERN PORTION OF THE FORECAST AREA TONIGHT BEFORE STALLING OUT SUNDAY. THIS WILL CONTINUE THE CHANCES OF SHOWERS AND THUNDERSTORMS IN THE VICINITY OF THE FRONT. THE FRONT WILL DISSIPATE SUNDAY EVENING AS STRONG HIGH PRESSURE BUILDS OVER THE REGION MONDAY THROUGH TUESDAY. THIS WILL BRING HOT OPPRESSIVE CONDITIONS FOR MONDAY AND TUESDAY WITH THE ONLY RELIEF BEING LATE AFTERNOON AND EARLY EVENING HIT OR MISS THUNDERSTORMS. && .NEAR TERM /THROUGH TONIGHT/... A WEAK FRONTAL BOUNDARY WILL SLOWLY APPROACH THE REGION FROM THE NORTH OVERNIGHT. AFTERNOON HEATING WITH CAPES 2000-3000 J/KG AND LIS -6/-7 WILL HELP KICK OFF SCATTERED THUNDERSTORMS THIS AFTERNOON AND THIS EVENING. IN ADDITION...RUC MODEL BRINGS A SHORT WAVE OVER THE REGION DURING THE EVENING HOURS. WILL START THE AFTERNOON WITH LIKELY POPS...THEN LOWER TO CHANCE THIS EVENING AND A SLIGHT CHANCE AFTER MIDNIGHT. WITH FRONTAL BOUNDARY DROPPING DOWN WITH TAKE OUT POPS NORTH PART AFTER MIDNIGHT. ANOTHER WARM NIGHT WITH LOWS IN THE LOWER TO MIDDLE 70S. && .SHORT TERM /SUNDAY THROUGH MONDAY NIGHT/... MODELS SHOW WEAK FRONT FURTHER WEAKENING AND DISSIPATING SUNDAY NIGHT AS UPPER RIDGE BEGINS TO BUILD INTO THE REGION FROM THE WEST. THIS WILL INCREASE THE HEAT AND HUMIDITY. HIGHS IN THE MIDDLE 90S SUNDAY AND UPPER 90S MONDAY WITH AFTERNOON HEAT INDEX VALUES 100-105 SUNDAY AND AROUND 105 MONDAY. WILL INCLUDE 20 PERCENT CHANCE OF MAINLY LATE AFTERNOON AND EARLY EVENING SHOWERS AND THUNDERSTORMS FOR THE PERIOD. LOWS SUNDAY NIGHT AND MONDAY NIGHT AGAIN IN THE LOWER TO MIDDLE 70S. && .LONG TERM /TUESDAY THROUGH SATURDAY/... AGREE WITH MEDIUM RANGE MODELS. STRONG UPPER RIDGE TUESDAY BEGINS TO WEAKEN UNTIL UPPER TROUGH STRENGTHENS ON EAST COAST THURSDAY THROUGH SATURDAY BRINGING RELIEF TO REGION IN THE FORM OF A COLD FRONT. NEEDLESS TO SAY WITH A FRONT...THERE WILL BE AN INCREASING CHANCE OF SHOWERS AND THUNDERSTORMS. HIGHS NEAR 100 TUESDAY SHOULD DROP ABOUT 10 DEGREES TO AROUND 90 THURSDAY THROUGH SATURDAY. OVERNIGHT LOWS TUESDAY NIGHT IN THE MIDDLE 70S SHOULD DROP TO THE LOWER 70S LATE IN THE WEEK. && .AVIATION /19Z SATURDAY THROUGH THURSDAY/... VFR CONDITIONS EXPECTED FOR MUCH OF THE TAF PERIOD...WITH MVFR POSSIBLE IN AFTERNOON CONVECTION AND EARLY MORNING FOG. CURRENT WSR-88D RETURNS AND SATELLITE IMAGERY SHOW THUNDERSTORMS EXPANDING IN COVERAGE WITH ADDITIONAL DEVELOPMENT EXPECTED OVER THE NEXT COUPLE OF HOURS. ACTIVITY WILL BEGIN TO DIMINISH THIS EVENING WITH THE LOSS OF HEATING. HEAVY RAIN IS EXPECTED WITH THESE THUNDERSTORMS WITH LOWER CONFIDENCE IN WIND GUST POTENTIAL. OVERNIGHT CONCERN IS FOR FOG DEVELOPMENT...CONFIDENCE IN FOG IS LOW BUT WITH CURRENT THUNDERSTORM ACTIVITY WILL ADD MVFR FOG FOR AGS AND OGB. EXTENDED AVIATION OUTLOOK...MVFR CONDITIONS POSSIBLE SUNDAY THROUGH THURSDAY IN SCATTERED AFTERNOON AND EVENING THUNDERSTORMS...AND IN LATE NIGHT/EARLY MORNING FOG. && .CAE WATCHES/WARNINGS/ADVISORIES... SC...NONE. GA...NONE. && SYNOPSIS...07 NEAR TERM...07 SHORT TERM...07 LONG TERM...07 AVIATION...
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE COLUMBIA SC 256 PM EDT SAT JUL 9 2011 GAZ040-063>065-077-SCZ015-016-018-020>022-025>031-035>038-041-101900- LINCOLN-MCDUFFIE-COLUMBIA-RICHMOND-BURKE-LANCASTER-CHESTERFIELD- MCCORMICK-NEWBERRY-FAIRFIELD-KERSHAW-EDGEFIELD-SALUDA-LEXINGTON- RICHLAND-LEE-AIKEN-SUMTER-BARNWELL-ORANGEBURG-CALHOUN-CLARENDON- BAMBERG- 256 PM EDT SAT JUL 9 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL GEORGIA AND CENTRAL SOUTH CAROLINA. .DAY ONE...THIS AFTERNOON AND TONIGHT. SCATTERED TO NUMEROUS MAINLY AFTERNOON AND EVENING THUNDERSTORMS ARE FORECAST TODAY AND TONIGHT. A FEW OF THE THUNDERSTORMS COULD POSSIBLY CONTAIN DAMAGING WINDS. HEAVY RAINFALL IN SOME OF THE THUNDERSTORMS MAY LEAD TO FLOODING IN POOR-DRAINAGE AREAS. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY. HOT TEMPERATURES AND HIGH HUMIDITIES WILL OCCUR DURING MUCH OF THE WEEK. HEAT ADVISORIES MAY BE NEEDED...SUNDAY...MONDAY...TUESDAY... AND WEDNESDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA SC
142 PM EDT SAT JUL 9 2011
SCZ029-091830-
LEE-
142 PM EDT SAT JUL 9 2011
...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF LEE COUNTY THROUGH
230 PM EDT...
AT 140 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM...NEAR BISHOPVILLE...MOVING EAST AT 15 MPH.
SOME LOCATIONS THAT WILL BE AFFECTED INCLUDE...
BISHOPVILLE...
PREPARE NOW FOR THE FOLLOWING HAZARDS...
GUSTY WINDS OF 40 TO 50 MPH...
PEA SIZE HAIL...
FREQUENT CLOUD TO GROUND LIGHTNING...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
HEAVY RAINS MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND
UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED ROADS AS THEY
MAY BE WASHED OUT. WATER LEVELS OF SMALL STREAMS AND RIVERS MAY ALSO
RISE...THEREFORE SEEK HIGHER GROUND IF THREATENED BY FLOOD WATERS.
REPORT LARGE HAIL...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.
&&
LAT...LON 3406 8005 3410 8043 3428 8041 3433 8017
3419 8011 3416 8014 3410 8008 3409 8006
TIME...MOT...LOC 1741Z 262DEG 14KT 3418 8023SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA SC
224 PM EDT SAT JUL 9 2011
SCZ036-041-091915-
BAMBERG-ORANGEBURG-
224 PM EDT SAT JUL 9 2011
...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF BAMBERG AND
ORANGEBURG COUNTIES THROUGH 315 PM EDT...
AT 223 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM...NEAR DENMARK...MOVING EAST AT 20 MPH.
SOME LOCATIONS THAT WILL BE AFFECTED INCLUDE...
BAMBERG...BRANCHVILLE AND DENMARK...
PREPARE NOW FOR THE FOLLOWING HAZARDS...
GUSTY WINDS OF 40 TO 50 MPH...
PEA SIZE HAIL...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
HEAVY RAINS MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND
UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED ROADS AS THEY
MAY BE WASHED OUT. WATER LEVELS OF SMALL STREAMS AND RIVERS MAY ALSO
RISE...THEREFORE SEEK HIGHER GROUND IF THREATENED BY FLOOD WATERS.
REPORT LARGE HAIL...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.
&&
LAT...LON 3322 8121 3346 8120 3349 8076 3316 8082
3313 8087
TIME...MOT...LOC 1823Z 276DEG 17KT 3333 8106SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA SC
250 PM EDT SAT JUL 9 2011
SCZ027-030-035>037-091945-
AIKEN-BARNWELL-CALHOUN-LEXINGTON-ORANGEBURG-
250 PM EDT SAT JUL 9 2011
...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF BARNWELL...
LEXINGTON...AIKEN...CALHOUN AND ORANGEBURG COUNTIES THROUGH 345 PM
EDT...
AT 250 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS...ALONG A LINE EXTENDING FROM PELION TO NEW
ELLENTON...MOVING EAST AT 20 MPH.
SOME LOCATIONS THAT WILL BE AFFECTED INCLUDE...
GASTON...NEW ELLENTON AND WILLISTON...
PREPARE NOW FOR THE FOLLOWING HAZARDS...
GUSTY WINDS OF 40 TO 50 MPH...
PEA SIZE HAIL...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
HEAVY RAINS MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND
UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED ROADS AS THEY
MAY BE WASHED OUT. WATER LEVELS OF SMALL STREAMS AND RIVERS MAY ALSO
RISE...THEREFORE SEEK HIGHER GROUND IF THREATENED BY FLOOD WATERS.
REPORT LARGE HAIL...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.
&&
LAT...LON 3335 8191 3385 8124 3381 8091 3380 8090
3380 8085 3378 8082 3377 8079 3343 8120
3343 8121 3342 8121 3327 8139
TIME...MOT...LOC 1850Z 276DEG 19KT 3373 8117 3341 8164The Charleston,SC radar (KCLX), 84 km away, was scanning. The volume nearest the first event began at 19:36 UTC.
1 thunderstorm wind. Local standard time, as filed.
Savannah River Site reported numerous trees down across the site.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in South Carolina in 2011Every state in 2011This day in weather historyWarnings in South Carolina, July 2011
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: 309051.