1 lightning, as filed by the National Weather Service.
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. 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 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 Greenville-Spartanburg, SC wrote its last area forecast discussion before the first event at Aug 24, 1:47 PM EST, 17 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 247 PM EDT TUE AUG 24 2004 .SHORT TERM (TONIGHT THROUGH FRIDAY)... SHARP GRADIENT ACROSS THE CWFA REGARDING CONVECTION THIS EVENING. 40 TO 50 PERCENT COVERAGE WEST OF I-77...30 OR LESS EAST. HAVE KEPT THIS POP GRADIENT INTO THE EVENING AS UPSLOPE FLOW AND DEEPER MOISTURE WILL KEEP HIGHER POP WEST. ISOLATED FLASH FLOODING POSSIBLE GIVEN THE SLOW MOVEMENT OF THE STORMS AND HEAVY RAINFALL. ISOLATED SVR TSRA CANNOT BE RULED OUT BUT CHANCE IS LOW. CONVECTION SHOULD DIMINISH WITH LOSS OF DAYTIME HEATING...BUT RESIDUAL MOISTURE...UPSLOPE FLOW AND DEPARTING SHORT WAVE MAY KEEP ISOLATED TSRA OVER MTNS OVERNIGHT. DENSE VALLEY FOG...PATCHY FOG ELSEWHERE...A GOOD BET AGAIN TONIGHT. DEEP MOISTURE HELD TO OUR SOUTH AND WEST WEDNESDAY AS SFC HIGH PRESSURE AND RIDGING ALOFT BUILDS DOWN THE EAST COAST. HOWEVER LOW LEVEL MOISTURE REMAINS QUITE HIGH...AND WEAK UPSLOPE FLOW CONTINUES. WRN SECTIONS REMAIN IN A WEAKNESS IN THE UPPER RIDGE. THEREFORE WILL KEEP CHC POP FOR NC MTNS AND UPPER SAVANNAH RIVER VALLEY. SLIGHT CHC NC FOOTHILLS AND I-26 CORRIDOR OF UPSTATE...DRY EAST OF THERE. ATMOS EVEN DRIER THURSDAY AS BASIC PATTERN HOLDS. WITH FLOW BECOMING LESS UPSLOPE...PRECIP CHANCE DROPS. WENT WITH SLIGHT CHC ALL AREAS XCPT NW PIEDMONT. MDLS CONTINUE THEIR INCONSISTENCY REGARDING COASTAL DEVELOPMENT FOR FRIDAY. GFS SPINS UP A LOW SPREADING DEEP MOISTURE BACK INTO THE AREA WHILE ETA KEEPS LOW FARTHER SOUTH WITH DRY ATMOS HOLDING ON. GIVEN THE INCONSISTENCY...FCST CONSENSUS IS TO HOLD ONTO A GENERAL 30 POP FOR AFT/EVE CONVECTION FOR NOW. && .LONG TERM (FRIDAY NIGHT THROUGH TUESDAY)... THE EXTENDED BEGINS WITH A HIGH AMPLITUDE FLOW PATTERN...FEATURING A WESTERN CONUS TROUGH AND A RIDGE AXIS EXTENDING FROM THE WESTERN ATLANTIC INTO NORTHERN MEXICO...WITH A WEAKNESS IN THE RIDGE DEPICTED ACROSS THE SOUTHEAST STATES. ALTHOUGH THE MODELS SHOVE THE ANCHORING HIGH WELL OFF THE NEW ENGLAND COAST BY THE BEGINNING OF THE PERIOD...THE SURFACE PATTERN REMAINS IN A DAMMING CONFIGURATION UNTIL THE COLD FRONT ASSOCIATED WITH THE PROGRESSIVE WESTERN TROUGH APPROACHES THE AREA LATE IN THE WEEKEND. UPGLIDE OVER THE SURFACE RIDGE ALONG WITH FRONTAL FORCING WILL KEEP PRECIP CHANCES IN THE FORECAST THROUGH TUESDAY. && .AVIATION... COVERAGE OF PRECIP IS FAIRLY WIDESPREAD ACROSS THE AREA ATTM...WITH CONVECTION ALREADY AFFECTING KAND AND KHKY. TWO CONVECTIVE CLUSTERS ARE CONVERGING TOWARD KGSP AND KGMU...ONE FROM THE NORTHWEST AND ANOTHER FROM THE SOUTHEAST. TEMPO GROUPS FOR TSRA HAVE BEEN INCLUDED AT THESE TERMINALS FROM 19 TO 21Z. ELSEWHERE...A FEW SHOWERS ARE IN THE VCNTY OF KCLT AND KAVL...BUT DO NOT POSE AN IMMEDIATE THREAT TO THOSE SITES. A TEMPO GROUP FOR SHRA IS INCLUDED AT KAVL BETWEEN 20 AND 22Z...BUT LACK OF DEEP LAYER MOISTURE AND ABSENCE OF FOCUSING MECHANISM SHOULD ALLOW VCSH TO SUFFICE AT KCLT. OVERNIGHT...LOW LEVEL EASTERLY FLOW CONTINUES...AND ACTUALLY STRENGTHENS A BIT ACROSS THE REGION. THIS SHOULD RESULT IN DEVELOPMENT OF ANOTHER ROUND OF RESTRICTIVE VSBY/CEILINGS AT MOST TERMINALS BY DAWN. && .GSP WATCHES/WARNINGS/ADVISORIES... GA...NONE. NC...NONE. SC...NONE. && SHORT TERM...RWH LONG TERM/AVIATION...JDL
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 604 AM EDT TUE AUG 24 2004 GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014- 019-251003- ABBEVILLE SC-ALEXANDER NC-ANDERSON SC-AVERY NC-BUNCOMBE NC-BURKE NC- CABARRUS NC-CALDWELL NC-CATAWBA NC-CHEROKEE SC-CHESTER SC- CLEVELAND NC-DAVIE NC-ELBERT GA-FRANKLIN GA-GASTON NC-GRAHAM NC- GREATER GREENVILLE SC-GREATER OCONEE SC-GREATER PICKENS SC- GREENVILLE MOUNTAINS SC-GREENWOOD SC-HABERSHAM GA-HART GA-HAYWOOD NC- HENDERSON NC-IREDELL NC-LAURENS SC-LINCOLN NC-MACON NC-MADISON NC- MCDOWELL NC-MECKLENBURG NC-MITCHELL NC-NORTHERN JACKSON NC- OCONEE MOUNTAINS SC-PICKENS MOUNTAINS SC-POLK NC-RABUN GA-ROWAN NC- RUTHERFORD NC-SOUTHERN JACKSON NC-SPARTANBURG SC-STEPHENS GA- SWAIN NC-TRANSYLVANIA NC-UNION SC-UNION NC-YANCEY NC-YORK SC- 604 AM EDT TUE AUG 24 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN NORTH CAROLINA... UPSTATE SOUTH CAROLINA...AND EXTREME NORTHEAST GEORGIA. .DAY ONE... SCATTERED SLOWLY MOVING THUNDERSTORMS WILL DEVELOP TODAY AND EARLY TONIGHT. LOCALLY HEAVY RAINFALL COULD PRODUCE HIGH WATER LEVELS IN POOR DRAINAGE AREAS. .DAYS TWO THROUGH SEVEN... NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED. LGL
The Greer radar (KGSP), 134 km away, was scanning. The volume nearest the first event began at 19:05 UTC.
1 lightning. Local standard time, as filed.
Lightning struck an electrical substation, resulting in a widespread power outage.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in North Carolina in 2004Every state in 2004This day in weather historyWarnings in North Carolina, August 2004
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: 5419781.