10 thunderstorm wind, as filed by the National Weather Service.
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 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 Jun 25, 1:15 PM EST, 3 hours 30 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE COLUMBIA SC 215 PM EDT FRI JUN 25 2004 .SHORT TERM... THIS AFTERNOON THROUGH SATURDAY... UPPER LEVEL IMPULSE CURRENTLY MOVING UP INTO S TENN/NW ALA... SPAWNING SURFACE LOW AND LOW LEVEL JET. RESULTANT ISENTROPIC LIFT LEADING TO WIDESPREAD RAIN ACROSS TENN AND NC MOUNTAINS. FARTHER SOUTH AND SOUTHEAST...MORE SUN AND MODERATE INSTABILITIES IN ADDITION TO SURFACE TROUGH LEADING TO SCATTERED THUNDERSTORM DEVELOPMENT FROM NC INTO UPSTATE SC...AND BACK ACROSS GA. LATEST SPC DAY ONE OUTLOOK HAS PORTIONS OF THE FORECAST AREA (FA) IN A SLIGHT RISK FOR SEVERE. CONCERN IS LOW TO MID LEVEL WIND FIELDS LEADING TO SOME DOWNBURST WIND POTENTIAL IN SOME OF THE STRONGER STORMS. MODELS HAVE IMPULSES MOVING NE...WITH THE FIRST ONE RIDING BY TO OUR NORTH LATE TONIGHT/EARLY SAT. ETA HAS WEAK IMPULSE COMING UP FROM THE SW SAT. GFS CONTINUES TO INDICATE STRONGER ONE...BUT IS SLOWER WITH TIMING THIS RUN...COMING THROUGH SAT AFTERNOON INSTEAD OF EARLY MORNING. GFS MAY BE SUFFERING FROM CONVECTIVE FEEDBACK PROBLEMS... THOUGH HAS BEEN RELATIVELY CONSISTENT OF LATE. AT THE SURFACE...MAIN FRONT TO STAY TO OUR NORTH SAT. REGARDLESS OF TIMING/STRENGTH OF UPPER FEATURES...LOW LEVEL MOISTURE AND DIURNAL HEATING SHOULD ALLOW FOR SCATTERED THUNDERSTORMS. && .LONG TERM... SUNDAY THROUGH FRIDAY... ETA TRENDING FURTHER SOUTH ON FRONTAL POSITION AND COMING MORE IN LINE WITH GFS...POSITION ACROSS CENTRAL FA LATE SAT NT/EARLY SUN. GFS STRONGER WITH UPPER ENERGY/SFC LOW RIDING ACROSS SUNDAY AFTERNOON. APPEARS FRONT TO LIFT OR STAY JUST NORTH OF FA MON/TUE. 12Z GFS RUN BRINGS FRONT DOWN ACROSS THE SOUTHERN FA BY 12Z WED. 00Z GFSLR AND LATEST HPC PROGS KEEP FRONT JUST TO OUR NORTH THROUGH THE FORECAST PERIOD. AGAIN...WONT TRY TO WORRY ABOUT SPECIFIC TIMING/STRENGTH OF MISCELLANEOUS FEATURES. BIG PICTURE INDICATES PLENTIFUL MOISTURE...A LOW LEVEL BOUNDARY...AND POSSIBLY UPPER ENERGY...WHICH SHOULD LEAD TO CHANCE POPS. WONT MAKE SIGNIFICANT CHANGES TO EXTENDED RANGE...AND WILL GENERALLY GO WITH A CLIMATLOGICAL FORECAST. && .PRELIMINARY POINT TEMPS/POPS... COLUMBIA 71 88 70 88 / 60 40 40 40 AUGUSTA 70 88 69 88 / 60 40 40 40 SUMTER 71 88 70 88 / 60 40 40 30 ORANGEBURG 72 89 71 88 / 60 40 40 40 && .CAE WATCHES/WARNINGS/ADVISORIES... SC...NONE. GA...NONE. &&
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE COLUMBIA SC 512 AM EDT FRI JUN 25 2004 GAZ040-063>065-077-SCZ015-016-018-020>022-025>031-035>038-041-260900- AIKEN SC-BAMBERG SC-BARNWELL SC-BURKE GA-CALHOUN SC-CHESTERFIELD SC- CLARENDON SC-COLUMBIA GA-EDGEFIELD SC-FAIRFIELD SC-KERSHAW SC- LANCASTER SC-LEE SC-LEXINGTON SC-LINCOLN GA-MCCORMICK SC-MCDUFFIE GA- NEWBERRY SC-ORANGEBURG SC-RICHLAND SC-RICHMOND GA-SALUDA SC- SUMTER SC- 512 AM EDT FRI JUN 25 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE MIDLANDS OF SOUTH CAROLINA AND THE CENTRAL SAVANNAH RIVER AREA OF GEORGIA. .DAY ONE... THUNDERSTORMS ARE EXPECTED TO DEVELOP THIS AFTERNOON AND THIS EVENING. MODERATE INSTABILITY COMBINED WITH AN UPPER LEVEL DISTURBANCE WILL PRODUCE A FEW STRONG STORMS AND ISOLATED INSTANCES OF DAMAGING WIND GUSTS. HEAVY RAINFALL IS ALSO POSSIBLE WITH AMOUNTS OF 2 TO 3 INCHES. LOCALIZED FLOODING IS POSSIBLE. .DAYS TWO THROUGH SEVEN... NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON OR EVENING. LM
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
536 PM EDT FRI JUN 25 2004
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION...ST.. ...SOURCE....
..REMARKS..
0512 PM TSTM WND DMG THOMSON 33.47N 82.50W
06/25/2004 MCDUFFIE GA LAW ENFORCEMENT
MCDUFFIE COUNTY SHERIFF REPORTED SEVERAL TREES AND
POWERLINES DOWN IN THOMSON AND AROUND COUNTY.
&&
DDSThe Columbia radar (KCAE), 103 km away, was scanning. The volume nearest the first event began at 21:44 UTC.
10 thunderstorm wind. Local standard time, as filed.
Sheriff and Post Office reported trees down from Clarks Hill to Meriwether.
Sheriff reported several trees down in and around Johnston.
SKYWARN spotter W4CW6 reported large branches down on hwy 378 detouring traffic.
Sheriff reported several trees down in the Graniteville area.
Aiken Electric reported trees and powerlines down northeast of Wagener.
Emergency Management reported many trees and powerlines down in the Pelion area.
Home owner called and reported his roof was blown off half of his home and rain flooded into the upstairs.
WLTX TV met reported wind gusts to 60mph.
News media reported trees and powerlines down around Columbia.
Post Office reported large branches down around the area.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in South Carolina in 2004Every state in 2004This day in weather historyWarnings in South Carolina, June 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 2026-09-30. Each event’s entry at NCEI: 5395214, 5395215, 5395297, 5395296, 5395298, 5395299, 5395300, 5395301, 5395302, 5395303.