A few widely scattered thunderstorms over the Savannah River Site and southwest Barnwell County took down large branches across the area.
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.
A few widely scattered thunderstorms over the Savannah River Site and southwest Barnwell County took down large branches across the area.
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 24, 3:42 PM EST, 2 hours 12 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE COLUMBIA SC 442 PM EDT WED JUL 24 2013 .SYNOPSIS... AN UPPER LEVEL TROUGH OVER THE EASTERN US WILL REMAIN ACROSS THE REGION THROUGH THE WEEKEND. THIS WILL INTERACT WITH A WEAK FRONTAL BOUNDARY TO CONTINUE THE CHANCE OF SHOWERS AND THUNDERSTORMS ACROSS THE AREA INTO EARLY NEXT WEEK. && .NEAR TERM /UNTIL 6 AM THURSDAY MORNING/... BOUNDARY INTERACTIONS HELPING TO KICK OFF SHOWERS AND A FEW THUNDERSTORMS LATE THIS AFTERNOON...MAINLY IN THE NORTH MIDLANDS BUT ACTIVITY IS MOVING SOUTH INTO THE CENTRAL MIDLANDS AS WELL. OTHERWISE...UPPER TROUGH WILL REMAIN OVER THE E CONUS. ONE SHORT WAVE WILL CONTINUE TO MOVE OFF TO OUR SE...WHILE OTHER UPPER IMPULSES WILL APPROACH FROM THE NW LATE TODAY INTO THIS EVENING. MOISTURE CONVERGENCE ASSOCIATED WITH SURFACE TROUGH AND DIFFERENTIAL HEATING CONTRIBUTING TO SOME CONVECTIVE DEVELOPMENT CURRENTLY ACROSS THE NORTHERN MIDLANDS...MOVING SLOWLY TO THE SOUTH. OTHER WEAK SURFACE BOUNDARY TO OUR NORTH WILL MOVE INTO OUR REGION THIS EVENING. ATMOSPHERE IS A LITTLE MORE MOIST TODAY THAN YESTERDAY...THOUGH PROJECTED LFCS STILL FAIRLY HIGH. MODERATE INSTABILITIES EXPECTED. ARRAY OF HIGH RESOLUTION MODELS INDICATE SCATTERED CONVECTION POSSIBLE. THINK CHANCE POPS STILL LOOK OK...THROUGH THIS EVENING. && .SHORT TERM /6 AM THURSDAY MORNING THROUGH THURSDAY NIGHT/... THE SURFACE FRONTAL BOUNDARY WILL CROSS THE AREA OVERNIGHT. WEAK LOW PRESSURE IS FORECAST TO DEVELOP ALONG THE FRONT AS IT NEARS THE COAST. MODELS ALSO INDICATE AN UPPER LEVEL DISTURBANCE CROSSING THE AREA THURSDAY MORNING. WILL KEEP A CHANCE OF CONVECTION ACROSS THE AREA THURSDAY INTO THURSDAY EVENING GIVEN MODERATE INSTABILITY AND PROXIMITY OF THE SURFACE BOUNDARY. PRECIPITABLE WATER DECREASE FRIDAY AND MOS GUIDANCE INDICATING POPS LESS THAN 20 PERCENT. WILL KEEP MENTION OF ISOLATED SHOWERS/TSTMS FRIDAY. DAYTIME HIGHS WILL CONTINUE IN THE UPPER 80S AND LOWER 90S WITH NIGHTTIME LOWS IN THE LOW/MID 70S TONIGHT THEN UPPER 60S TO LOWER 70S THURSDAY NIGHT AND FRIDAY NIGHT. && .LONG TERM /FRIDAY THROUGH WEDNESDAY/... LONG TERM MODELS REMAIN IN GOOD AGREEMENT SATURDAY...THEN BEGIN TO DIVERGE EARLY NEXT WEEK. THE BROAD UPPER TROF OVER THE EASTERN CONUS IS FORECAST TO LIFT NORTHEAST...ALLOWING A NEARLY ZONAL UPPER FLOW TO DEVELOP ACROSS THE SOUTHERN TIER STATES MONDAY INTO WEDNESDAY. THE ECMWF...ENSEMBLE MEAN AND WPC INDICATE THE UPPER LOW LIFTING OUT WHILE THE 00Z GFS HELD ONTO TO MORE TROUGHINESS IN THE EAST. AT THE SURFACE...A SLOW MOVING FRONTAL BOUNDARY WILL MOVE ACROSS THE OHIO VALLEY INTO THE CAROLINAS BY MONDAY. BEHIND THIS FRONT HIGH PRESSURE WILL BUILD IN FROM THE OHIO VALLEY TUESDAY AND WEDNESDAY. TEMPERATURES THROUGH THE LONG TERM WILL BE SLIGHTLY BELOW NORMAL FOR DAYTIME HIGHS WITH OVERNIGHT LOWS NEAR NORMAL. && .AVIATION /21Z WEDNESDAY THROUGH MONDAY/... MVFR CIGS CONTINUING TO LINGER AT 17Z...BUT EXPECT CIGS TO SLOWLY RISE TO VFR BY 19Z. RADAR INDICATES SOME SHOWER AND POSSIBLE THUNDERSTORM DEVELOPMENT NE OF CAE/CUB...MOVING SLOWLY SOUTH. SCATTERED CONVECTION EXPECTED THROUGH THIS EVENING. AT THIS TIME...IT CONTINUES TO APPEAR THAT CHANCES OF SUCH AFFECTING THE TERMINALS TOO LOW TO INCLUDE MENTION IN THE TAFS AT THIS TIME...OTHER THAN PERHAPS A VC MENTION AT CAE/CUB. RADAR TRENDS WILL BE CLOSELY MONITORED...AND TAF AMENDMENTS ISSUED WHEN CONFIDENCE OF TS AFFECTING TERMINALS WARRANTS. GUIDANCE PROVIDING SOME INDICATIONS OF POSSIBLE CIG/VSBY RESTRICTIONS LATE TONIGHT/THU MORNING...BUT CONFIDENCE LOW AT THIS TIME. EXTENDED AVIATION OUTLOOK...SCATTERED MAINLY AFTERNOON/EVENING THUNDERSTORMS. LATE NIGHT/EARLY MORNING FOG/STRATUS POSSIBLE. && .CAE WATCHES/WARNINGS/ADVISORIES... SC...NONE. GA...NONE. &&
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE COLUMBIA SC 543 AM EDT WED JUL 24 2013 GAZ040-063>065-077-SCZ015-016-018-020>022-025>031-035>038-041-250945- LINCOLN-MCDUFFIE-COLUMBIA-RICHMOND-BURKE-LANCASTER-CHESTERFIELD- MCCORMICK-NEWBERRY-FAIRFIELD-KERSHAW-EDGEFIELD-SALUDA-LEXINGTON- RICHLAND-LEE-AIKEN-SUMTER-BARNWELL-ORANGEBURG-CALHOUN-CLARENDON- BAMBERG- 543 AM EDT WED JUL 24 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL GEORGIA AND CENTRAL SOUTH CAROLINA. .DAY ONE...TODAY AND 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.
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html><!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA SC
521 PM EDT WED JUL 24 2013
SCZ027-030-036-242145-
AIKEN-LEXINGTON-ORANGEBURG-
521 PM EDT WED JUL 24 2013
...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF LEXINGTON...AIKEN AND
ORANGEBURG COUNTIES THROUGH 545 PM EDT...
AT 518 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM...NEAR WOODFORD...MOVING SOUTH AT 10 MPH.
SOME LOCATIONS THAT WILL BE AFFECTED INCLUDE...
...
PREPARE NOW FOR THE FOLLOWING HAZARDS...
GUSTY WINDS OF 30 TO 40 MPH...
PEA SIZE HAIL...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REPORT LARGE HAIL...DAMAGING WINDS OR FLOODING TO YOUR COUNTY
SHERIFF...OR USE
WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.COLUMBIA.GOV TO RELAY
SEVERE WEATHER REPORTS. &&
LAT...LON 3356 8135 3377 8124 3378 8106 3375 8106
3375 8104 3376 8103 3376 8102 3372 8101
3371 8104 3367 8100 3354 8098
TIME...MOT...LOC 2121Z 355DEG 8KT 3370 8115
BCSPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA SC 557 PM EDT WED JUL 24 2013 SCZ030-035-036-242230- AIKEN-BARNWELL-ORANGEBURG- 557 PM EDT WED JUL 24 2013 ...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF AIKEN...ORANGEBURG AND BARNWELL COUNTIES THROUGH 630 PM EDT... AT 552 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM...NEAR SALLEY...MOVING SOUTHWEST AT 10 MPH. SOME LOCATIONS THAT WILL BE AFFECTED INCLUDE... BLACKVILLE AND WILLISTON... PREPARE NOW FOR THE FOLLOWING HAZARDS... GUSTY WINDS OF 30 TO 40 MPH... PEA SIZE HAIL... PRECAUTIONARY/PREPAREDNESS ACTIONS... REPORT LARGE HAIL...DAMAGING WINDS OR FLOODING TO YOUR COUNTY SHERIFF...OR USE WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.COLUMBIA.GOV TO RELAY SEVERE WEATHER REPORTS. && LAT...LON 3356 8116 3329 8132 3351 8165 3368 8131 TIME...MOT...LOC 2157Z 045DEG 8KT 3355 8134 BC
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA SC
636 PM EDT WED JUL 24 2013
SCZ030-035-036-242300-
AIKEN-BARNWELL-ORANGEBURG-
636 PM EDT WED JUL 24 2013
...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF AIKEN...ORANGEBURG
AND BARNWELL COUNTIES THROUGH 700 PM EDT...
AT 635 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM...NEAR SPRINGFIELD...MOVING SOUTH AT 5 TO 10 MPH.
SOME LOCATIONS THAT WILL BE AFFECTED INCLUDE...
BLACKVILLE AND WILLISTON...
PREPARE NOW FOR THE FOLLOWING HAZARDS...
GUSTY WINDS AROUND 40 MPH...
PEA SIZE HAIL...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REPORT LARGE HAIL...DAMAGING WINDS OR FLOODING TO YOUR COUNTY
SHERIFF...OR USE
WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.COLUMBIA.GOV TO RELAY
SEVERE WEATHER REPORTS. &&
LAT...LON 3331 8161 3361 8139 3356 8116 3342 8119
3344 8120 3344 8122 3340 8121 3331 8121
3322 8123
TIME...MOT...LOC 2236Z 347DEG 3KT 3347 8129
BCSPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA SC
645 PM EDT WED JUL 24 2013
SCZ035-242300-
BARNWELL-
645 PM EDT WED JUL 24 2013
...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF BARNWELL COUNTY
THROUGH 700 PM EDT...
AT 643 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM...6 MILES EAST OF SAVANNAH RIVER SITE...MOVING
SOUTH AT 10 MPH.
SOME LOCATIONS THAT WILL BE AFFECTED INCLUDE...
SAVANNAH RIVER SITE...
PREPARE NOW FOR THE FOLLOWING HAZARDS...
GUSTY WINDS AROUND 40 MPH...
PEA SIZE HAIL...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REPORT LARGE HAIL...DAMAGING WINDS OR FLOODING TO YOUR COUNTY
SHERIFF...OR USE
WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.COLUMBIA.GOV TO RELAY
SEVERE WEATHER REPORTS. &&
LAT...LON 3311 8168 3312 8170 3314 8174 3319 8177
3321 8174 3331 8160 3331 8146 3315 8154
3310 8161 3309 8165
TIME...MOT...LOC 2245Z 021DEG 10KT 3321 8157
BCThe Columbia radar (KCAE), 72 km away, was scanning. The volume nearest the first event began at 22:54 UTC.
2 thunderstorm wind. Local standard time, as filed.
Highway Patrol reported trees dwon along Hwy 3 near Barnwell State Park.
DOT reported large branches down from Barnwell to the Savannah River Site.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in South Carolina in 2013Every state in 2013This day in weather historyWarnings in South Carolina, July 2013
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: 455486, 455382.