A couple of isolated storms produced some wind damage breaking large tree branches which took out powerlines.
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 couple of isolated storms produced some wind damage breaking large tree branches which took out powerlines.
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 23, 12:34 PM EST, 0 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE COLUMBIA SC 134 PM EDT SUN AUG 23 2015 .SYNOPSIS... A MOIST AND UNSTABLE AIR MASS WILL REMAIN OVER THE AREA THROUGH MONDAY. AN UPPER LEVEL DISTURBANCE WILL CROSS THE AREA THIS AFTERNOON WITH A WEAK COLD FRONT MOVING THROUGH THE REGION LATE MONDAY. THIS WILL RESULT IN MAINLY AFTERNOON AND EVENING SHOWERS AND THUNDERSTORMS BOTH DAYS WITH LOCALLY HEAVY RAINFALL POSSIBLE. DRIER AIR WILL BEGIN MOVING INTO THE REGION LATE TUESDAY AS HIGH PRESSURE BUILDS IN FROM THE NORTHWEST. && .NEAR TERM /THROUGH TONIGHT/... WEAK SHORT WAVE CROSSING THE NORTHERN MIDLANDS PRODUCING A FEW SHOWERS. UPPER LEVEL TROUGH AND STRONGER SHORT WAVE...NOW OVER NORTHERN AL...WILL CROSS THE FORECAST AREA THIS AFTERNOON WITH WIDESPREAD SHOWERS AND THUNDERSTORMS INTO THE EVENING HOURS...AND POSSIBLY INTO TONIGHT. PWAT VALUES WILL AGAIN BE AROUND 2 INCHES AND WITH SLOW PROGRESSION OF THE CELLS LOCALLY HEAVY RAINFALL COULD AGAIN PRODUCE FLOODING OF LOW LYING AREAS. CONVECTION WILL DIMINISH THIS EVENING INTO TONIGHT AS THE UPPER LEVEL SHORT WAVE TRACKS EAST OF THE AREA. TEMPERATURES WILL GENERALLY BE AROUND 90 FOR AFTERNOON HIGHS WITH OVERNIGHT LOWS IN THE LOWER 70S. && .SHORT TERM /MONDAY THROUGH TUESDAY NIGHT/... UPPER LEVEL SHORT WAVE WILL BE ALONG THE COAST BY DAYBREAK MONDAY AND MOVE INTO THE ATLANTIC BASIN MONDAY AFTERNOON. WEAK AND DIFFUSE FRONTAL BOUNDARY WILL CROSS THE FORECAST AREA MONDAY AFTERNOON AND EVENING...HOWEVER WITH A SLIGHTLY DRIER AIRMASS MOVING INTO THE REGION AND LESS UPPER LEVEL SUPPORT CHANCES OF SHOWERS AND THUNDERSTORMS WILL BE LOWER MONDAY. REMAINS OF THE FRONT WILL MOVE OFF THE COAST MONDAY NIGHT INTO TUESDAY MORNING WITH HIGH PRESSURE AND DRIER AIR BUILDING INTO THE REGION LATE TUESDAY INTO TUESDAY NIGHT. LOW CHANCES OF SHOWERS AND THUNDERSTORMS WILL REMAIN POSSIBLE TUESDAY...MAINLY ACROSS THE EASTERN MIDLANDS AND SOUTHERN CSRA CLOSER TO THE FRONTAL BOUNDARY. HIGH TEMPERATURES WILL BE IN THE LOWER TO MIDDLE 90S WITH OVERNIGHT LOWS IN THE UPPER 60S TO LOWER 70S. && .LONG TERM /WEDNESDAY THROUGH SATURDAY/... MODELS ARE IN GOOD AGREEMENT THROUGH THE LONG TERM WITH HIGH PRESSURE AND DRIER AIR REMAINING IN CONTROL OF THE AREA FOR WEDNESDAY AND THURSDAY. UPPER LEVEL TROUGH DIGS OVER THE REGION ON THURSDAY WITH TROUGH AXIS FURTHER DIGGING ON FRIDAY. MODELS DIVERGE SLIGHTLY FOR FRIDAY THROUGH SATURDAY WITH THE GFS KEEPING THE TROUGH ALONG THE EAST COAST WHILE THE ECMWF EJECTS THE TROUGH AND BEGINS DEEPENING ANOTHER UPPER LEVEL TROUGH OVER THE MS VALLEY. CONCERN HERE WILL BE POTENTIAL FOR COOLING TEMPERATURES ALOFT WHICH COULD COMBINE WITH DIURNAL HEATING TO GENERATE CONVECTION. CURRENTLY COLD POOL APPEARS TO BE LACKING AND HAVE REMAINED WITH SLIGHT CHANCE POPS MAINLY OVER THE EASTERN MIDLANDS THROUGH MUCH OF THE LONG TERM DUE TO PROXIMITY OF THE UPPER LEVEL TROUGH. TEMPERATURES THROUGH THE LONG TERM WILL BE NEAR NORMAL WITH DAYTIME HIGHS IN THE UPPER 80S TO AROUND 90 AND OVERNIGHT LOWS IN THE UPPER 60S TO LOWER 70S. && .AVIATION /18Z SUNDAY THROUGH THURSDAY/... LINE OF CONVECTION MOVING INTO THE CSRA AT 18Z. SATELLITE TRENDS SHOWS SIGNS OF WEAKENING. THE AIRMASS IS SLIGHTLY MORE STABLE FARTHER EAST. WILL KEEP TEMPO FOR CONVECTION CROSSING THE TAF SITES THROUGH 22Z. MODELS ALSO INDICATE A SHORT WAVE TROUGH CROSSING THE TAF SITES OVERNIGHT AND AIRMASS IS FORECAST TO REMAIN UNSTABLE. THE ATTENDANT SURFACE COLD FRONT IS FORECAST TO MOVE INTO THE AREA MONDAY MORNING. THEREFORE...THE CHANCE FOR CONVECTION WILL CONTINUE OVERNIGHT. WILL INCLUDE VCSH FOR THE EVENING AND OVERNIGHT HOURS. EXTENDED AVIATION OUTLOOK...RESTRICTIONS POSSIBLE IN MAINLY AFTERNOON AND EVENING SCATTERED SHOWERS AND THUNDERSTORMS. && .CAE WATCHES/WARNINGS/ADVISORIES... SC...NONE. GA...NONE. &&
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE COLUMBIA SC 437 AM EDT SUN AUG 23 2015 GAZ040-063>065-077-SCZ015-016-018-020>022-025>031-035>038-041-240845- LINCOLN-MCDUFFIE-COLUMBIA-RICHMOND-BURKE-LANCASTER-CHESTERFIELD- MCCORMICK-NEWBERRY-FAIRFIELD-KERSHAW-EDGEFIELD-SALUDA-LEXINGTON- RICHLAND-LEE-AIKEN-SUMTER-BARNWELL-ORANGEBURG-CALHOUN-CLARENDON- BAMBERG- 437 AM EDT SUN AUG 23 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE MIDLANDS OF SOUTH CAROLINA AND THE CENTRAL SAVANNAH RIVER AREA OF GEORGIA. .DAY ONE...TODAY AND TONIGHT. SCATTERED SHOWERS AND THUNDERSTORMS MAINLY THIS AFTERNOON AND EVENING. THESE STORMS WILL BE CAPABLE OF PRODUCING LOCALLY HEAVY RAIN. MINOR FLOODING IS POSSIBLE IN LOW LYING AND POOR DRAINAGE AREAS. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY. 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
1200 PM EDT SUN AUG 23 2015
GAZ040-063>065-231645-
MCDUFFIE-LINCOLN-RICHMOND-COLUMBIA-
1200 PM EDT SUN AUG 23 2015
...A LINE OF STRONG THUNDERSTORMS WILL AFFECT WESTERN RICHMOND...
SOUTHERN LINCOLN...MCDUFFIE AND COLUMBIA COUNTIES...
AT 1159 AM EDT...A LINE OF STRONG THUNDERSTORMS WAS ALONG A LINE
EXTENDING FROM NEAR RAYLE TO NEAR NORWOOD TO DEEPSTEP...AND MOVING
EAST AT 30 MPH.
WIND GUSTS OF 45 TO 55 MPH AND PEA SIZE HAIL ARE POSSIBLE WITH THESE
STORMS.
LOCATIONS IMPACTED INCLUDE...
GROVETOWN...EVANS...THOMSON...MARTINEZ...HARLEM...LINCOLNTON...BLYTHE
AND DEARING.
LAT...LON 3364 8261 3363 8258 3366 8251 3365 8249
3380 8258 3382 8233 3349 8211 3329 8221
3327 8228 3331 8234 3331 8239 3334 8244
3336 8255 3341 8255 3346 8259 3361 8264
TIME...MOT...LOC 1559Z 268DEG 52KT 3385 8292 3341 8278 3303 8295
SJNThe Robins AFB radar (KJGX), 114 km away, was scanning. The volume nearest the first event began at 17:33 UTC.
2 thunderstorm wind. Local standard time, as filed.
Jefferson Electric reported power outages from large tree branches knocking out powerlines.
Jefferson Electric reported power outages from large tree branches knocking out powerlines near Alexander.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Georgia in 2015Every state in 2015This day in weather historyWarnings in Georgia, August 2015
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: 589775, 589776.