On 4/12, in the early morning hours, a line of severe thunderstorms produced some hail up to nickel size and some minor wind damage.
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.
On 4/12, in the early morning hours, a line of severe thunderstorms produced some hail up to nickel size and some minor wind damage.
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 Apr 11, 9:30 PM EST, 2 hours 15 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE COLUMBIA SC 1030 PM EDT WED APR 11 2007 .SYNOPSIS... CLOSED LOW AND ASSOCIATED SURFACE LOW NEAR THE GREAT LAKES WILL CONTINUE TO SLOWLY LIFT NEWD. COLD FRONT TO OUR WEST ACROSS NRN GA/AL WILL CONTINUE TO PUSH EWD TOWARD THE AREA OVERNIGHT. IT WILL BE BREEZY ON THU AS HIGH PRESSURE BUILDS IN FROM THE WEST. && .NEAR TERM /THROUGH THURSDAY/... REGIONAL RADAR COMPOSITE SHOWS ADDITIONAL SHRA/TSRA DEVELOPING ALONG COLD FRONT ACROSS NRN GA AND THE UPSTATE OF SC. ALTHOUGH FIRST AREA OF SHRA/TSRA HAS MOVED ACROSS THE AREA...THE AREA STILL REMAINS QUITE UNSTABLE. WILL CONTINUE MENTION OF SHRA/TSRA THROUGH MUCH OF THE NIGHT...BUT COLD FRONT SHOULD MOVE ACROSS THE AREA BEFORE SUNRISE. PER RECENT PHONE CALL WITH SPC...AREA IS BEING CONSIDERED FOR A SEVERE THUNDERSTORM WATCH DUE TO CONVECTIVE DEVELOPMENT ACROSS GA. && .SHORT TERM /THURSDAY NIGHT THROUGH FRIDAY NIGHT/... A FRONT/TROUGH WILL MOVE THROUGH THE AREA TOWARD DAYBREAK. AS THE FRONT APPROACHES THE AREA THIS EVENING SHOWERS WILL CONTINUE TO INCREASE WITH A CHANCE OF THUNDERSTORMS DEVELOPING AS THE FRONT MOVES INTO SC. THE BEST DYNAMIC SUPPORT FOR THUNDERSTORMS REMAINS NORTHWEST OF THE FORECAST AREA...HOWEVER WITH CURRENT OBSERVATIONS INDICATING THUNDERSTORMS THROUGH MUCH OF ALABAMA AND THE FLA PANHANDLE BELIEVE THERE IS A BIT BETTER CHANCE THAN MODELS INDICATE. THE FRONT WILL PASS ACROSS THE AREA BY DAYBREAK THURSDAY WITH BREEZY CONDITIONS DEVELOPING AS THE GRADIENT TIGHTENS BEHIND THE FRONT AND THE UPPER LEVEL TROUGH SWINGS THROUGH. SKIES WILL ALSO BEGIN TO CLEAR AS A BIT DRIER AIR MOVES INTO THE AREA. WITH THE BREEZY CONDITIONS AND RELATIVE HUMIDITIES FALLING TO NEAR 25 PERCENT FIRE WEATHER PARAMETERS BECOME A CONCERN...HOWEVER DO NOT FEEL THE EXPECTED CONDITIONS WARRANT THE ISSUANCE OF ANY WATCH ATTM. FRIDAY AND FRIDAY NIGHT HIGH PRESSURE WILL BUILD INTO THE AREA WITH MOSTLY SUNNY/CLEAR SKIES AND LIGHT WINDS. && .LONG TERM /SATURDAY THROUGH WEDNESDAY/... FEW CHANGES MADE IN THE LONG TERM AS MODELS CONTINUE TO AGREE ON THE NEXT LOW PRESSURE SYSTEM ARRIVING SATURDAY EVENING WITH A CHANCE OF RAIN THROUGH MUCH OF SUNDAY. HIGH PRESSURE WILL ONCE AGAIN BUILD IN BEHIND THE LOW FOR TUESDAY AND WEDNESDAY. && .AVIATION /03Z THURSDAY THROUGH MONDAY/... .AVIATION /00Z THURSDAY THROUGH MONDAY/... IFR CONDITIONS AT KCAE/KCUB THROUGH 09Z. MVFR TO IFR CONDITIONS AT KAGS/KDNL/KOGB THROUGH 09Z. WARM FRONT LIFTING NORTH ACROSS THE AREA THIS EVENING. ALSO COLD FRONT APPROACHING FROM THE WEST. SOUTHEAST WINDS 10 KNOTS OR LESS WILL BECOME SOUTH THEN SHIFT WEST BEHIND COLD FRONT. NUMEROUS SHOWERS AND A FEW THUNDERSTORMS WILL CROSS THE TAF SITES THROUGH 09Z. EXPECT CLEARING SKIES 09Z-12Z. WEST WINDS INCREASING 15-20 KT WITH GUST NEAR 30 KT AFTER 15Z. PROLONGED IFR CONDITIONS POSSIBLE SATURDAY OTHERWISE NO SIGNIFICANT WEATHER. && .CAE WATCHES/WARNINGS/ADVISORIES... SC...NONE. GA...NONE. && SYNOPSIS...77 NEAR TERM...77 SHORT TERM... LONG TERM... AVIATION...73
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE COLUMBIA SC 1115 PM EDT WED APR 11 2007 GAZ040-063>065-077-SCZ015-016-018-020>022-025>031-035>038-041-121500- LINCOLN-MCDUFFIE-COLUMBIA-RICHMOND-BURKE-LANCASTER-CHESTERFIELD- MCCORMICK-NEWBERRY-FAIRFIELD-KERSHAW-EDGEFIELD-SALUDA-LEXINGTON- RICHLAND-LEE-AIKEN-SUMTER-BARNWELL-ORANGEBURG-CALHOUN-CLARENDON- BAMBERG- 1115 PM EDT WED APR 11 2007 ...SEVERE THUNDERSTORM WATCH 128 IN EFFECT UNTIL 6 AM EDT THURSDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL GEORGIA AND CENTRAL SOUTH CAROLINA. .DAY ONE...TONIGHT NUMEROUS THUNDERSTORMS WILL CROSS THE AREA THROUGH 6 AM. SOME STORMS COULD BE SEVERE WITH LARGE HAIL AND DAMAGING WINDS. ISOLATED TORNADOES ARE POSSIBLE. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. SEVERE THUNDERSTORM WATCH .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY A LAKE WIND ADVISORY WILL LIKELY BE NEEDED THURSDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA SC 916 PM EDT WED APR 11 2007 GAZ065-SCZ030-120145- AIKEN-RICHMOND- 916 PM EDT WED APR 11 2007 ...A STRONG THUNDERSTORM WAS AFFECTING AIKEN AND RICHMOND COUNTIES... AT 910 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 7 MILES NORTHEAST OF HEPHZIBAH...OR 8 MILES SOUTH OF AUGUSTA...MOVING NORTHEAST AT 35 MPH. SMALL HAIL IS EXPECTED WITH THIS STORM. REPORT LARGE HAIL...DAMAGING WINDS OR FLOODING TO YOUR COUNTY SHERIFF...OR CALL THE NATIONAL WEATHER SERVICE TOLL FREE AT 1, 800, 7 7 5, 7 1 9 9. LM
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA SC 925 PM EDT WED APR 11 2007 SCZ028-031-120200- RICHLAND-SUMTER- 925 PM EDT WED APR 11 2007 ...A STRONG THUNDERSTORM WAS AFFECTING RICHLAND AND SUMTER COUNTIES... AT 918 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 10 MILES NORTHEAST OF ST. MATTHEWS...OR 19 MILES SOUTHWEST OF SOUTH SUMTER...MOVING EAST AT 40 MPH. SMALL HAIL IS EXPECTED WITH THIS STORM. REPORT LARGE HAIL...DAMAGING WINDS OR FLOODING TO YOUR COUNTY SHERIFF...OR CALL THE NATIONAL WEATHER SERVICE TOLL FREE AT 1, 800, 7 7 5, 7 1 9 9. LM
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA SC 1210 AM EDT THU APR 12 2007 GAZ040-SCZ018-120445- LINCOLN-MCCORMICK- 1210 AM EDT THU APR 12 2007 ...A STRONG THUNDERSTORM WAS AFFECTING LINCOLN AND MCCORMICK COUNTIES... AT 1202 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 7 MILES NORTHWEST OF LINCOLNTON ...MOVING NORTHEAST AT 45 MPH. WINDS AROUND 40 MPH AND SMALL HAIL ARE EXPECTED WITH THIS STORM. REPORT LARGE HAIL...DAMAGING WINDS OR FLOODING TO YOUR COUNTY SHERIFF...OR CALL THE NATIONAL WEATHER SERVICE TOLL FREE AT 1, 800, 7 7 5, 7 1 9 9. LM
The Columbia radar (KCAE), 64 km away, was scanning. The volume nearest the first event began at 04:46 UTC.
4 hail, 2 thunderstorm wind. Local standard time, as filed.
Powell Way, a SKYWARN spotter, reported penny size hail at his home.
Convenience store at Hwy 521 and Fort Mill Hwy reported nickel size hail.
Visitor to office reported nickel size hail at her home southwest of Pomeria.
Convenience store reported penny size hail.
Storm survey found several trees down just north of Woodford on hwy 321.
Tricounty Electric reported powerlines and large limbs down causing power outages just west of St. Matthews.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in South Carolina in 2007Every state in 2007This day in weather historyWarnings in South Carolina, April 2007
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: 14820, 14819, 14821, 14823, 16341, 14824.