Scattered thunderstorms developed over upstate South Carolina during the late afternoon hours along a weak cold front. A couple of the storms caused 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 GSP wrote it up.
Scattered thunderstorms developed over upstate South Carolina during the late afternoon hours along a weak cold front. A couple of the storms caused 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 Greenville-Spartanburg, SC wrote its last area forecast discussion before the first event at Jun 23, 3:31 PM EST, 1 hour 29 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 431 PM EDT SAT JUN 23 2012 .SYNOPSIS... A WEAK COLD FRONT STALLED ACROSS THE REGION WILL DISSIPATE OVERNIGHT. MEANWHILE A UPPER LEVEL DISTURBANCE WILL CROSS THE NORTHERN TIER OF THE FORECAST AREA ON SUNDAY...WITH ANOTHER COLD FRONT ARRIVING FROM THE NORTHWEST LATE MONDAY. DRIER HIGH PRESSURE WILL BUILD IN BEHIND THE FRONT TUESDAY THROUGH THE REST OF THE WEEK. && .NEAR TERM /THROUGH SUNDAY/... AS OF 430 PM...UPDATED FORECAST FOR CURRENT CONDITIONS. BEST CHC OF CONVECTION WILL BE ALONG THE BLUE RIDGE AND OVER THE UPSTATE/NE GA. LESS CHC OVER THE NC PIEDMONT AND TN BORDER. AT 1430 EDT SATURDAY...AN UPPER TROUGH WILL REMAIN ALONG THE EAST COAST THROUGH SUNDAY...WITH A RIDGE UPSTREAM CENTERED OVER THE PLAINS. THE MODELS SHOW A WEAK MID LEVEL IMPULSE MOVING INTO THE TROUGH THIS AFTERNOON...AND A SLIGHTLY STRONGER ONE DOING SO ON SUNDAY MORNING. MODEL TIME HEIGHTS REMAIN MOIST BETWEEN 850 AND 700 MB...AS THE REMAINS OF A FRONT LINGER IN OUR VICINITY. LOW LEVEL FLOW IS EXPECTED TO VEER FROM THE NE TO THE E OR SE TONIGHT...BEFORE VEERING TO S ON SUNDAY. POPS WILL FAVOR THE BLUE RIDGE IN A WEAK UPSLOPE FLOW BOTH THIS AFTERNOON AND SUNDAY AFTERNOON...BUT WITH AN EARLIER START SUNDAY THAN TODAY DUE TO THE TIMING OF THE UPPER IMPULSE. MODEL INSTABILITY IS SHOWN TO BE GREATER TOMORROW THAN TODAY...WITH LESS CHANCE OF A MID LEVEL CAP. SUBSTANTIAL DRY AIR WILL BE IN PLACE AT BENEATH THE MOIST LAYER BOTH THIS AFTERNOON AND SUNDAY AFTERNOON...SUPPORTING EVAPORATIVE COOLING AND DOWNDRAFTS. MINIMUM TEMPERATURES WILL BE ABOVE NORMAL IN A MOIST AIR MASS WITH SOME CLOUD COVER. MAXIMUM TEMPERATURES SUNDAY WILL BE ABOVE NORMAL AS WELL AS THE TROUGH AXIS REMAINS TO OUR EAST. && .SHORT TERM /SUNDAY NIGHT THROUGH TUESDAY/... AS OF 230 PM SATURDAY...THE SHORT RANGE PERIOD BEGINS SUNDAY EVENING WITH ONGOING SCATTERED CONVECTION THAT SHOULD LINGER INTO THE MID/LATE EVENING BEFORE DYING. A CHANCE POP SHOULD COVER THAT POSSIBILITY. IN THE MEAN TIME...THE UPPER PATTERN WILL CONTINUE AN AMPLIFYING TREND THROUGH SUNDAY NIGHT AND MONDAY AS AN UPPER LOW DIVES DOWN THROUGH EASTERN CANADA TO NEW ENGLAND AND AN UPPER ANTICYCLONE SPINS OVER THE SRN/CENTRAL HIGH PLAINS. THE FLOW ALOFT WILL VEER AND STRENGTHEN FROM THE NW AND NNW THROUGH MONDAY WHICH WILL DRIVE A COLD FRONT DOWN FROM THE N IN THE AFTERNOON. UPPER FORCING LOOKS MINIMAL AND THE MODELS SHOW ONLY RELATIVELY SHALLOW MOISTURE. HOWEVER...THE AMT OF BUOYANCY SHOWN BY THE MODELS IS COMPELLING WHEN COMBINED WITH WHAT SHOULD BE GOOD LOW LEVEL FORCING ALONG THE FRONT IN THE AFTERNOON. THE GUIDANCE WAS DISAPPOINTING WITH THE MOSGUIDE HAVING A VERY LOW CHANCE AND THE SREF HAVING A VERY HIGH CHANCE. HAVE SPLIT THE DIFFERENCE WHICH PUTS AREAS ALONG AND E OF THE BLUE RIDGE IN THE 30-50 PCT RANGE THROUGH THE AFTERNOON. THE CHANCES GRADUALLY SHIFT S WITH THE BOUNDARY THROUGH LATE MONDAY NIGHT. ONCE THE BOUNDARY IS THROUGH...DRY AND COOLER HIGH PRESSURE WILL MOVE IN FOR TUESDAY WITH VERY LOW CHANCE FOR RAIN AND TEMPS A CATEGORY BELOW MONDAY. && .LONG TERM /TUESDAY NIGHT THROUGH SATURDAY/... AS OF 115 PM SATURDAY...THE FIRST PART OF THE MEDIUM RANGE LOOKS TO BE DOMINATED BY THE UPPER BLOCKING PATTERN WITH A DEEP UPPER LOW OVER NEW ENGLAND AND A LARGE UPPER ANTICYCLONE OVER THE PLAINS. THE RESULTING NW FLOW ALOFT SHOULD KEEP US DRY UNDER SURFACE HIGH PRESSURE FOR WEDNESDAY AND THURSDAY WITH TEMPS GRADUALLY RISING ABOVE NORMAL. THE PATTERN STARTS TO EVOLVE LATE IN THE WEEK AS THE WAVELENGTH OF THE RIDGE BROADENS AND ANOTHER UPPER SYSTEM CROSSES CANADA TO KICK OUT/REPLACE THE EASTERN UPPER LOW. THE FLOW ALOFT BECOMES INCREASINGLY WNW FOR FRIDAY AND SATURDAY WHICH WILL CONTRIBUTE DOWNSLOPE EAST OF THE MTNS AND ALLOW TEMPS TO CLIMB WELL ABOVE NORMAL. HAVE HELD BACK ON TRIPLE DIGIT HIGHS FOR SATURDAY GIVEN UNCERTAINTY ON DAY 7...SO HPC GUIDANCE WAS CUT BACK BY A CATEGORY OR SO. THE OTHER RESULT MIGHT BE THAT WE COME A LITTLE MORE IN ALIGNMENT WITH AN MCS TRACK BY SATURDAY...WHICH IS INDICATED BY THE GFS BUT NOT THE OLDER ECMWF. WILL ALLOW PRECIP CHANCES TO COME AROUND TO A CLIMATOLOGICAL DIURNAL THUNDERSTORM TYPE REGIME...BUT CONFIDENCE NOT PARTICULARLY HIGH. AT ANY RATE...UNLESS THERE IS SOME MAJOR CHANGE...NONE OF THE SOLUTIONS ARE SUPPORTIVE OF BRINGING ANY TROPICAL MOISTURE OUR WAY. FOR THE TIME BEING...WE LOOK INSULATED FROM WHATEVER BECOMES OF THE ACTIVITY IN THE GULF. && .AVIATION /21Z SATURDAY THROUGH THURSDAY/... AT KCLT...CUMULUS IS EXPECTED TO DEVELOP WITH HEATING THIS AFTERNOON. CONVECTIVE CHANCES ARE STILL RATHER LIMITED...AS A MID LEVEL WARM NOSE MAY LIMIT INSTABILITY. FOR NOW A TEMPO GROUP WILL BE CARRIED LATE THIS AFTERNOON WITH THUNDER AND A LOW VFR CIG...BUT NO RAIN OF VSBY RESTRICTION. WINDS ARE EXPECTED TO BE LIGHT NE UNTIL LATE THIS AFTERNOON OR EARLY THIS EVENING WHEN THEY VEER TO THE ESE. GUIDANCE DOES NOT RESTRICTIONS OVERNIGHT...HOWEVER IF RAIN FALLS...FOG WOULD BE POSSIBLE. ANOTHER ROUND OF CONVECTION IS POSSIBLE SUNDAY... POSSIBLE EARLY...IN RESPONSE TO A MID LEVEL IMPULSE. CONFIDENCE IS TOO LOW TO CARRY POPS AT THIS TIME. ELSEWHERE...CONVECTION IS EXPECTED OT DEVELOP IN THE MOUNTAINS THIS AFTERNOON...SPREADING EAST INTO THE FOOTHILLS. AT THIS TIME ONLY VCTS WILL BE CARRIED UNTIL CONFIDENCE INCREASES ON LOCATION AND TIMING. NE WINDS ARE EXPECTED TO VEER TO THE SE BY EVENING. THE BEST BET FOR A RESTRICTION WILL BE KAVL...WHERE GUIDANCE IS SUPPORTIVE. MVFR VSBY WILL BE CARRIED AT KAVL TO START WITH...BUT IF RAIN FALLS THERE...IFR OR LOWER WILL BE POSSIBLE. OTHER SITES WILL REMAIN VFR IN THE TAF...BUT AGAIN RAINFALL COULD CHANGE THIS. ANOTHER ROUND OF CONVECTION IS EXPECTED TO DEVELOP EARLY SUNDAY IN RESPONSE TO AN ARRIVING MID LEVEL SYSTEM....BUT CONVECTIVE CHANCES ARE TOO SMALL TO MENTION AT THIS TIME. OUTLOOK...AT LEAST SCATTERED DIURNAL CONVECTION WILL CONTINUE OVER THE AREA EARLY NEXT WEEK...ESP MONDAY...AS ANOTHER WEAK COLD FRONT DROPS INTO THE AREA. MORNING FOG/STRATUS WILL ALSO BE POSSIBLE... MAINLY IN THE MTN VALLEYS. DRIER WEATHER IS EXPECTED BY MID-WEEK. AN EXPERIMENTAL AVIATION FORECAST CONSISTENCY TABLE SHOWING THE PERCENTAGE OF GUIDANCE MEMBERS AGREEING WITH THE SCHEDULED ISSUANCE CATEGORY IS AVAILABLE AT FOLLOWING LINK (USE LOWER CASE)... WWW.WEATHER.GOV/GSP/AVIATION/TABLES.HTM && .GSP WATCHES/WARNINGS/ADVISORIES... GA...NONE. NC...NONE. SC...NONE. && SYNOPSIS...PAT NEAR TERM...JAT/RWH SHORT TERM...PM LONG TERM...PM AVIATION...JAT
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 459 AM EDT SAT JUN 23 2012 GAZ010-017-018-026-028-029-NCZ048-051>053-058-059-062>065-068>072- 082-507>510-SCZ001>014-019-240900- RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-MADISON-SWAIN-HAYWOOD- BUNCOMBE-GRAHAM-NORTHERN JACKSON-MACON-SOUTHERN JACKSON-TRANSYLVANIA- HENDERSON-CLEVELAND-LINCOLN-GASTON-MECKLENBURG-CABARRUS-UNION NC- RUTHERFORD MOUNTAINS-GREATER RUTHERFORD-POLK MOUNTAINS-EASTERN POLK- OCONEE MOUNTAINS-PICKENS MOUNTAINS-GREENVILLE MOUNTAINS- GREATER OCONEE-GREATER PICKENS-GREATER GREENVILLE-SPARTANBURG- CHEROKEE-YORK-ANDERSON-ABBEVILLE-LAURENS-UNION SC-CHESTER-GREENWOOD- 459 AM EDT SAT JUN 23 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...PIEDMONT NORTH CAROLINA...WESTERN NORTH CAROLINA AND UPSTATE SOUTH CAROLINA. .DAY ONE...TODAY AND TONIGHT. SCATTERED THUNDERSTORMS WILL DEVELOP THIS AFTERNOON AND EVENING ACROSS THE WESTERN CAROLINAS AND NORTHEAST GEORGIA. ANY THUNDERSTORMS THAT DEVELOP WILL PRODUCE DANGEROUS CLOUD TO GROUND LIGHTNING AND HEAVY RAINFALL. A FEW OF THESE THUNDERSTORMS MAY BECOME SEVERE...PRODUCING HAIL AS LARGE AS QUARTERS AND DAMAGING WIND GUSTS. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY. A WARM AND UNSTABLE AIRMASS WILL REMAIN IN PLACE ACROSS THE REGION ON SUNDAY AND MONDAY. ADDITIONAL ROUNDS OF SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP EACH AFTERNOON...WITH SOME OF THESE THUNDERSTORMS BECOMING SEVERE. .SPOTTER INFORMATION STATEMENT... SKYWARN SPOTTERS ARE REQUESTED TO FORWARD ANY REPORTS OF LARGE HAIL...DAMAGING WINDS...TORNADOES OR FLASH FLOODING TO OUR OFFICE. NCZ033-035>037-049-050-056-057-501>506-240900- AVERY-ALEXANDER-IREDELL-DAVIE-YANCEY-MITCHELL-CATAWBA-ROWAN- CALDWELL MOUNTAINS-GREATER CALDWELL-BURKE MOUNTAINS-GREATER BURKE- MCDOWELL MOUNTAINS-EASTERN MCDOWELL- 459 AM EDT SAT JUN 23 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PIEDMONT NORTH CAROLINA AND WESTERN NORTH CAROLINA. .DAY ONE...TODAY AND TONIGHT. ISOLATED THUNDERSTORMS WILL DEVELOP THIS AFTERNOON AND EVENING ACROSS THE NORTHERN MOUNTAINS...NORTHERN FOOTHILLS...AND NORTHWEST PIEDMONT OF NORTH CAROLINA. ANY THUNDERSTORMS THAT DEVELOP WILL PRODUCE DANGEROUS CLOUD TO GROUND LIGHTNING AND HEAVY RAINFALL. A FEW OF THESE THUNDERSTORMS COULD BECOME SEVERE...PRODUCING HAIL AS LARGE AS QUARTERS AND DAMAGING WIND GUSTS. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY. A WARM AND UNSTABLE AIRMASS WILL REMAIN IN PLACE ACROSS THE REGION ON SUNDAY AND MONDAY. ADDITIONAL ROUNDS OF SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP EACH AFTERNOON...WITH SOME OF THESE THUNDERSTORMS BECOMING SEVERE. .SPOTTER INFORMATION STATEMENT... SKYWARN SPOTTERS ARE REQUESTED TO FORWARD ANY REPORTS OF LARGE HAIL...DAMAGING WINDS...TORNADOES OR FLASH FLOODING TO OUR OFFICE. GERAPETRITIS
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
301 PM EDT SAT JUN 23 2012
NCZ053-505-507-231945-
BUNCOMBE-MCDOWELL MOUNTAINS-RUTHERFORD MOUNTAINS-
301 PM EDT SAT JUN 23 2012
...A STRONG THUNDERSTORM WILL AFFECT NORTHWESTERN RUTHERFORD...
SOUTHEASTERN BUNCOMBE AND SOUTHWESTERN MCDOWELL COUNTIES THROUGH 345
PM EDT...
AT 259 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 5 MILES SOUTH OF BLACK MOUNTAIN...OR 13 MILES
EAST OF DOWNTOWN ASHEVILLE...MOVING EAST AT 10 MPH.
THIS STORM WILL IMPACT LOCATIONS NEAR...
OLD FORT...
SMALL HAIL...WIND GUSTS OF 30 TO 40 MPH AND TORRENTIAL RAIN ARE
EXPECTED WITH THIS STORM.
LAT...LON 3567 8212 3552 8209 3547 8214 3546 8227
3550 8233 3549 8234 3548 8237 3546 8237
3548 8242 3559 8243
JOHSPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
413 PM EDT SAT JUN 23 2012
GAZ028-SCZ004-010-232100-
ANDERSON-GREATER OCONEE-HART-
413 PM EDT SAT JUN 23 2012
...A STRONG THUNDERSTORM WILL AFFECT NORTHERN HART...SOUTHEASTERN
OCONEE AND WESTERN ANDERSON COUNTIES THROUGH 500 PM EDT...
AT 406 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR OAKWAY...OR 12 MILES SOUTHWEST OF CLEMSON...
MOVING SOUTHEAST AT 10 MPH.
THIS STORM WILL IMPACT LOCATIONS NEAR...
FAIR PLAY...
SMALL HAIL...AND WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED WITH THIS
STORM.
LAT...LON 3440 8303 3447 8306 3450 8305 3451 8308
3460 8304 3464 8295 3452 8278
KRENTZSPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 426 PM EDT SAT JUN 23 2012 NCZ504>506-508-232115- EASTERN MCDOWELL-GREATER BURKE-GREATER RUTHERFORD-MCDOWELL MOUNTAINS- 426 PM EDT SAT JUN 23 2012 ...A STRONG THUNDERSTORM WILL AFFECT NORTHERN RUTHERFORD...SOUTHERN BURKE AND SOUTHERN MCDOWELL COUNTIES THROUGH 515 PM EDT... AT 424 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 4 MILES NORTH OF SUGAR HILL...OR 4 MILES SOUTHWEST OF MARION...MOVING EAST AT 15 MPH. THIS STORM WILL IMPACT LOCATIONS NEAR... MARION... GLENWOOD... DYSARTSVILLE... SMALL HAIL...WIND GUSTS OF 30 TO 40 MPH AND TORRENTIAL RAIN ARE EXPECTED WITH THIS STORM. LAT...LON 3572 8175 3549 8180 3557 8217 3571 8215 JOH
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
458 PM EDT SAT JUN 23 2012
SCZ002-005-232145-
GREATER PICKENS-PICKENS MOUNTAINS-
458 PM EDT SAT JUN 23 2012
...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN PICKENS COUNTY
THROUGH 545 PM EDT...
AT 454 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR PUMPKINTOWN...OR 9 MILES NORTH OF PICKENS...
MOVING SOUTHEAST AT 5 MPH.
PEA SIZE HAIL...AND WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED WITH THIS
STORM.
LAT...LON 3482 8270 3503 8281 3506 8276 3505 8274
3506 8271 3507 8258 3505 8260 3503 8258
3501 8260 3501 8254 3498 8254 3491 8251
KRENTZSPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 537 PM EDT SAT JUN 23 2012 SCZ007-012-013-232215- LAURENS-SPARTANBURG-UNION- 537 PM EDT SAT JUN 23 2012 ...A STRONG THUNDERSTORM WILL AFFECT NORTHERN LAURENS...SOUTHERN SPARTANBURG AND WESTERN UNION COUNTIES THROUGH 615 PM EDT... AT 536 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM NEAR ENOREE...OR 11 MILES NORTH OF LAURENS... MOVING EAST AT 15 MPH. THIS STORM WILL IMPACT LOCATIONS NEAR... ENOREE... CROSS KEYS... SMALL HAIL...AND WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED WITH THIS STORM. LAT...LON 3469 8171 3449 8189 3464 8221 3475 8208 KRENTZ
The Greer radar (KGSP), 32 km away, was scanning. The volume nearest the first event began at 22:01 UTC.
2 thunderstorm wind. Local standard time, as filed.
At least one tree and multiple large limbs were blown down in the Gray Court area, with one tree on a mobile home.
Trees were blown down on highway 211 near El Bethel Church Rd.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in South Carolina in 2012Every state in 2012This day in weather historyWarnings in South Carolina, June 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: 390579, 390580.