Isolated severe thunderstorms produced some wind damage and hail in the CSRA.
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 produced some wind damage and hail in the CSRA.
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 18, 4:05 PM EST, 41 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE COLUMBIA SC 505 PM EDT WED JUL 18 2012 .SYNOPSIS... A SHORTWAVE OVER THE UPPER GREAT BASIN STATES WILL MOVE OVER THE TOP OF THE CENTRAL PLAINS RIDGE AND THEN SOUTHEAST TO THE MID ATLANTIC STATES LATER THIS WEEK. BOTH SYSTEMS WILL CONTINUE THE CHANCE OF THUNDERSTORMS FOR THE ENTIRE FORECAST PERIOD. WITH CLOUDINESS AND BETTER CHANCES OF RAIN...HIGH TEMPERATURES INTO THIS WEEKEND WILL LOWER INTO THE UPPER 80S. && .NEAR TERM /TONIGHT/... WEAK WEATHER DISTURBANCE OVER SOUTHEAST GEORGIA PLUS A SEA BREEZE FRONT WILL PROVIDE LIFT OF AN UNSTABLE AIRMASS OVER THE EASTERN CWA. ACROSS THE WEST...SHOWER AND THUNDERSTORM DEVELOPMENT HAVE OCCURRED ALONG THE MOUNTAINS...AND WILL BE MOVING EASTWARD THIS EVENING. THE MAIN THREAT WITH THE STRONGER STORMS WILL BE HEAVY RAIN AND DOWN BURST WINDS. THUNDERSTORMS WILL DECREASE AND END BEFORE MIDNIGHT ACROSS THE FORECAST AREA...BUT WITH PLENTY OF MOISTURE AND DEBRIS CLOUDINESS AROUND...MINIMUM TEMPERATURES WILL BE SLIGHTLY WARMER THAN LAST NIGHT...WITH MID 70S POSSIBLE IN SOME AREAS. FOG IS NOT FAVORED DUE TO THE CLOUD COVER EVEN THOUGH THE WIND IS EXPECTED TO CONTINUE TO BE LIGHT. && .SHORT TERM /THURSDAY THROUGH FRIDAY/... 00Z ECMWF AND 12Z GFS SHEAR OUT THE SOUTHERN GEORGIA WEATHER DISTURBANCE BY THURSDAY MORNING...BUT BRING A SHORTWAVE FROM THE NORTHWEST TOWARD THE REGION WHICH WILL MOVE A COLD FRONT SOUTH. THIS BOUNDARY WILL INTERACT WITH THE WARM AND MOIST AIR LOCATED OVER SOUTH CAROLINA AND EAST CENTRAL GEORGIA BRINGING A BETTER CHANCE OF SHOWERS AND THUNDERSTORMS FROM THURSDAY THROUGH FRIDAY AS THE FRONT APPROACHES FROM THE NORTHWEST. && .LONG TERM /FRIDAY NIGHT THROUGH WEDNESDAY/... OLD FRONT PUSHES SOUTHWARD CLOSE TO THE NC/SC BORDER ON SATURDAY. MODELS INDICATING AMPLIFICATION OF EASTERN LONG WAVE TROUGH AS SHORT WAVES MOVE ACROSS MID ATLANTIC STATES FRIDAY. THIS MAY RESULT IN STRONGER LIFT ACROSS THE AREA ESPECIALLY NORTHERN SOUTH CAROLINA FRIDAY AFTERNOON...SO HIGHER POPS FORECAST MAINLY NORTH. OVERALL HIGH CHANCE POPS FRIDAY INTO SATURDAY. TEMPS A BIT ABOVE NORMAL FRIDAY...AND NEAR TO JUST BELOW NORMAL SATURDAY. MODEL GUIDANCE KEEPS LONG WAVE TROUGH ACROSS THE MID-ATLANTIC STATES FROM SATURDAY THROUGH WEDNESDAY. GFS SHOWS COLD FRONT POSSIBLY PUSHING INTO NORTHERN SC BY EARLY SUNDAY BEFORE WASHING OUT ON MONDAY. BOTH GFS AND ECMWF SEEM TO INDICATE THAT THE UPPER RIDGE WILL SLOWLY REBUILD OVER THE SOUTHEAST STATES BY MID-WEEK. GENERALLY CHANCE POPS SUNDAY AND MONDAY...AND LOW CHANCE FOR THE REMAINDER OF THE PERIOD. TEMPS NEAR NORMAL SUNDAY AND MONDAY...AND RISING TO SLIGHTLY ABOVE NORMAL TUESDAY AND WEDNESDAY. NORMALS HIGHS RANGE FROM THE UPPER 80S NORTH TO AS HIGH AS THE MID 90S ELSEWHERE AND NORMAL LOWS RANGE FROM THE UPPER 60S NORTH TO THE LOWER 70S ELSEWHERE. && .AVIATION /21Z WEDNESDAY THROUGH MONDAY/... MOST OF THE AFTERNOON CONVECTION HAS BEEN IN THE UPSTATE WITH ISOLATED CELLS IN THE CSRA AND ALONG THE COAST. VFR CONDITIONS ARE EXPECTED THROUGH THE EVENING HOURS ALTHOUGH AGS/DNL MAY EXPERIENCE REDUCED VSBYS IN A THUNDERSTORM AND HAVE INCLUDED A TEMPO GROUP THERE TIL 23Z. OTHERWISE...STORMS SHOULD DIMINISH DURING THE 02-05Z TIME FRAME AND EXPECT MAINLY CLEAR SKIES OTHER THAN SOME CONVECTIVE DEBRIS CIRRUS. FOG WILL BE POSSIBLE AT THE TYPICAL LOCATIONS OGB/AGS. EXTENDED AVIATION OUTLOOK...RESTRICTIONS POSSIBLE EACH DAY IN EARLY MORNING FOG AND AFTERNOON CONVECTION AS A MOIST AIR MASS REMAINS OVER THE REGION. && .CAE WATCHES/WARNINGS/ADVISORIES... SC...NONE. GA...NONE. &&
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE COLUMBIA SC 544 AM EDT WED JUL 18 2012 GAZ040-063>065-077-SCZ015-016-018-020>022-025>031-035>038-041-190944- AIKEN-BAMBERG-BARNWELL-BURKE-CALHOUN-CHESTERFIELD-CLARENDON-COLUMBIA- EDGEFIELD-FAIRFIELD-KERSHAW-LANCASTER-LEE-LEXINGTON-LINCOLN-MCCORMICK- MCDUFFIE-NEWBERRY-ORANGEBURG-RICHLAND-RICHMOND-SALUDA-SUMTER- 544 AM EDT WED JUL 18 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE MIDLANDS OF SOUTH CAROLINA AND THE CENTRAL SAVANNAH RIVER AREA OF GEORGIA. .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 ANTICIPATED.
The Columbia radar (KCAE), 118 km away, was scanning. The volume nearest the first event began at 21:44 UTC.
2 thunderstorm wind. Local standard time, as filed.
Sheriff reported trees down on Ray Ownes Road at Tom Bartles Road.
Sheriff reported powerlines down on Ridge Road.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Georgia in 2012Every state in 2012This day in weather historyWarnings in Georgia, July 2012
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: 386622, 386623.