Pulse storms consolidated into a few multicell clusters late in the afternoon and produced areas of wind damage and large hail as they moved across the upstate.
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.
Pulse storms consolidated into a few multicell clusters late in the afternoon and produced areas of wind damage and large hail as they moved across the upstate.
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 21, 5:23 PM EST, 31 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 623 PM EDT TUE JUN 21 2011 .SYNOPSIS... A WEAK RIDGE OF HIGH PRESSURE WILL GRADUALLY MOVE EAST OF THE AREA AS A COLD FRONT SLOWLY APPROACHES FROM THE WEST ON WEDNESDAY. THE FRONT STALLS AS IT REACHES THE FORECAST AREA THURSDAY THROUGH FRIDAY. THE FRONT WILL LINGER OVER THE AREA THROUGH THE WEEKEND KEEPING CONDITIONS UNSETTLED. && .NEAR TERM /THROUGH WEDNESDAY/... I WILL ISSUE A QUICK UPDATE TO EXPAND POPS EAST ACROSS THE FOOTHILLS AND PIEDMONT. LATEST RADAR IMAGES INDICATE INCREASING SHRA/TSRA ACROSS NE GA AND THE UPSTATE OF SC. I EXPECT THAT COVERAGE WILL CONTINUE TO INCREASE THROUGH 0Z. PREVIOUS DISCUSSION... DEEP LOW PRES OVER THE MIDWEST THIS AFTN WILL MOVE NE TO THE GREAT LAKES TONIGHT THROUGH WED. AN INCREASING DEEP LAYER SW FLOW IS SETTING UP ACROSS THE SRN APPALACHIANS AHEAD OF THIS FEATURE THIS AFTN. SFC BASED CAPE VALUES ARE RUNNING 2500 TO 3500 J/KG EARLY THIS AFTERNOON...AND DEWPOINTS SHOW LITTLE SIGN OF MIXING OUT. ALTHOUGH WINDS ARE FAIRLY LIGHT THROUGH THE LOWEST 5 TO 10 KFT...LAPS SOUNDINGS ARE SHOWING SW FLOW AT 30 TO 40 KT BEGINNING TO APPEAR AT MID LEVELS. STRONG TO SEVERE MULTICELL CONVECTION LOOKS LIKELY...ESPECIALLY OVER THE MTNS AND ADJACENT FOOTHILLS THIS AFTERNOON AND EVENING. WITH FREEZING LEVELS NEAR 14 KFT...DCAPE VALUES NEAR 1200 J/KG ACROSS THE REGION...AND SFC TO MID LEVEL EQUIVALENT POTENTIAL TEMP LAPSES OF 30 TO 35 K...55 DBZ CORE HEIGHTS TO 23 KFT SHOULD BE SUFFICIENT FOR SEVERE WIND OR HAIL. THE BEST SHORTWAVE ENERGY IN THE DEVELOPING SW FLOW MAY ACTUALLY BRUSH THE SRN APPALACHIANS DURING THE OVERNIGHT HOURS. HOWEVER...SOUNDINGS SHOW QUITE A BIT OF INHIBITION IN THE MORNING. SLIGHTLY DEEPER MOISTURE WILL THEN ARRIVE THROUGH THE DAY WELL AHEAD OF A COLD FRONT PUSHING THROUGH THE MID MS RIVER VALLEY. THE INCREASED MOISTURE ALONG WITH IMPROVING UPPER DIVERGENCE AHEAD OF THE TROUGH SHOULD ALLOW BETTER CONVECTIVE COVERAGE THROUGH WED AFTN. INCREASING HIGH CLOUDS ALONG WITH COOLING 850 MB TEMPS SHOULD ALLOW MAXES TO BE AT LEAST A CATEGORY COOLER THAN TODAY. && .SHORT TERM /WEDNESDAY NIGHT THROUGH FRIDAY/... AS OF 145 PM TUESDAY...WE WILL LIKELY SEE ONGOING CONVECTION WEDNESDAY NIGHT ESPECIALLY ACROSS THE WESTERN PORTION OF THE FA. I HAVE KEPT THE LIKELY POPS IN THIS AREA AND EXPECT THIS COVERAGE TO LINGER FOR A FEW HOURS DURING THE LATE NIGHT. MODELS AGREE REASONABLY WELL IN SHOWING THE BOUNDARY MOVING ACROSS THE REGION IN THE EARLY MORNING HOURS WITH MOST OF THE ASSOCIATED CONVECTION SETTING UP TO THE EAST AND SOUTH. ON THURSDAY...UPPER HEIGHTS WILL CONTINUE TO FALL AS THE BROAD UPPER TROF SETTLES IN ACROSS THE EASTERN THIRD OF THE COUNTRY. MODELS AGREE FAIRLY WELL IN SHOWING AN AREA OF DRYING OVER THE WESTERN CAROLINAS THURSDAY AFTERNOON IN THE WAKE OF THE FRONT. MODEL SOUNDINGS ARE QUITE DRY WITH LIMITED INSTABILITY ESPECIALLY OUTSIDE THE MOUNTAINS. I HAVE A HARD TIME NOT MENTIONING AT LEAST ISOLATED CONVECTION IN THESE AREAS AS RIDGE TOP STORMS WILL LIKELY PRODUCE ENOUGH OUTFLOW BOUNDARIES TO KICK OFF A FEW STORMS IN THE PIEDMONT AND UPSTATE. TEMPS WILL BE MUCH CLOSER TO CLIMO WITH NEAR 90 OUTSIDE THE MOUNTAINS AND LOW TO MID 80S IN THE MOUNTAIN VALLEYS. FOR FRIDAY...THE FA WILL BE UNDER A SIMILAR SITUATION ALOFT. HOWEVER...AT THE SURFACE IMPROVING SOUTHWEST RETURN FLOW AROUND THE SUBTROPICAL HIGH TO THE WEST WILL RESULT IN INCREASINGLY MOIST PROFILES. MODEL SOUNDINGS SHOW A SIGNIFICANT INCREASE IN PWAT ACROSS THE AREA WITH A MUCH STRONG MODEL QPF RESPONSE THAN ON THURSDAY. EXPECT AT LEAST SCATTERED COVERAGE ACROSS THE ENTIRE FA FRIDAY AFTERNOON AND EVENING. TEMPS WILL BE VERY SIMILAR TO THURSDAY WITH NEARLY IDENTICAL LOW LEVEL THICKNESSES. && .LONG TERM /FRIDAY NIGHT THROUGH TUESDAY/... AS OF NOON ON TUESDAY...THE MEDIUM RANGE FCST BEGINS AT 00Z ON SATURDAY WITH THE AXIS OF THE LONGWAVE UPPER TROF JUST TO OUR WEST AND A FLAT UPPER RIDGE BEGINNING TO BUILD OVER THE FAR SW CONUS. HEIGHTS ARE EXPECTED TO STEADILY RISE OVER THE WEEKEND AS THE UPPER TROF LIFTS FARTHER NE AND THE UPPER RIDGE SLOWLY SLIDES EASTWARD TOWARDS THE SOUTH CENTRAL CONUS. THE LONG RANGE MODELS INDICATE THAT THE RIDGE WILL BUILD THRU THE END OF THE PERIOD WITH THE ECMWF MAINTAINING GREATER AMPLIFICATION ESPECIALLY OVER THE WESTERN CONUS. THE 06Z RUN OF THE GFS DEVELOPS A CLOSED H5 LOW OVER THE PACIFIC NW BY DAY 6 WHICH ACTS TO FLATTEN THE UPPER RIDGE. THE MODELS DEVELOP NUMEROUS UPPER SHORTWAVES ON THE EASTERN SIDE OF THE UPPER RIDGE WHICH COULD GENERATE SOME DEGREE OF WEAK BROAD SCALE LIFT OVER THE REGION. AT THE SFC...THE LOW LVL WLY TO SWLY FLOW WILL LIKELY ALLOW A WEAK COLD FRONT TO MOVE INTO THE CWFA FROM THE NORTH AND STALL. MODELS INDICATE THAT THE FRONT WILL PROBABLY LINGER OVER THE AREA THROUGH EARLY NEXT WEEK. A PREDOMINATELY DIURNAL PATTERN OF CONVECTION IS EXPECTED EACH DAY/EVENING THROUGH DAY 7 WITH OVERNIGHT ISOLATED TO SCATTERED SH/TS POSSIBLE WITH THE PASSING UPPER SHORTWAVES. MAX AND MIN TEMPERATURES SHOULD RUN ABOUT A CATEGORY ABOVE NORMAL EACH DAY WITH HIGHS IN THE LOW 90S OVER THE LOWER ELEVATIONS AND MID 80S FOR THE MOUNTAINS. && .AVIATION /00Z WEDNESDAY THROUGH SUNDAY/... AT KCLT...TSTMS FIRING OVER THE NC MTNS THIS AFTN COULD LAY DOWN OUTFLOWS THAT TRIGGER ADDITIONAL CONVECTION ACROSS THE PIEDMONT EARLY THIS EVENING. THE MESOSCALE MODELS ARE SHOWING THIS TREND...AND DEWPOINTS HAVE NOT MIXED OUT APPRECIABLY IN THE PIEDMONT...SO A CB GROUP HAS BEEN ADDED TO THE TAF AFTER 23Z FOR THIS LIKELIHOOD. CB CIGS THIS EVENING SHOULD GIVE WAY TO HIGH LEVEL VFR CIGS OVERNIGHT THROUGH WED MORNING. ELSEWHERE...THUNDERSTORMS DEVELOPING ACROSS THE MTNS WILL AFFECT KAVL THROUGH AT LEAST 19Z...AND POSSIBLY INTO THE LATE AFTERNOON HOURS. OUTFLOWS FROM THE MTN TSTMS WILL DRIFT OUT OVER THE FOOTHILLS...WITH KHKY TO KGSP PROBABLY THE NEXT MOST LIKELY AREA TO SEE TSTMS AFT 22Z. WILL FEATURE CB CLOUD TYPE FOR ALL FOOTHILL TAFS THIS EVENING. CB CIGS WILL GIVE WAY TO HIGHER LEVEL VFR CIGS OVERNIGHT THROUGH WED MORNING. MOS SIGNALS ARE MIXED FOR MVFR OR POSSIBLY IFR AT KAVL TOWARD DAYBREAK. WILL COMPROMISE WITH MVFR CONDITIONS AFTER 08Z IN THE MTN VALLEYS FOR NOW. OUTLOOK...GENERALLY VFR CONDITIONS EXPECTED INTO THE WEEKEND EXCEPT FOR LOCAL RESTRICTIONS IN THUNDERSTORMS EACH AFTERNOON AND EVENING...AND IN MOUNTAIN VALLEY FOG EACH MORNING TOWARD DAYBREAK. && .GSP WATCHES/WARNINGS/ADVISORIES... GA...NONE. NC...NONE. SC...NONE. && SYNOPSIS...JPT NEAR TERM...NED/HG SHORT TERM...BSH LONG TERM...JPT AVIATION...HG
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 309 PM EDT TUE JUN 21 2011 GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065- 068>072-082-501>510-SCZ001>014-019-221915- RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-AVERY-ALEXANDER- IREDELL-DAVIE-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-BUNCOMBE-CATAWBA- ROWAN-GRAHAM-NORTHERN JACKSON-MACON-SOUTHERN JACKSON-TRANSYLVANIA- HENDERSON-CLEVELAND-LINCOLN-GASTON-MECKLENBURG-CABARRUS-UNION NC- CALDWELL MOUNTAINS-GREATER CALDWELL-BURKE MOUNTAINS-GREATER BURKE- MCDOWELL MOUNTAINS-EASTERN MCDOWELL-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- 309 PM EDT TUE JUN 21 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...PIEDMONT NORTH CAROLINA...WESTERN NORTH CAROLINA AND UPSTATE SOUTH CAROLINA. .DAY ONE...THIS AFTERNOON AND TONIGHT. SCATTERED TO NUMEROUS THUNDERSTORMS ARE EXPECTED THIS AFTERNOON AND EVENING...MAINLY NORTHWEST OF INTERSTATE 85. THE MAIN THREAT FROM THESE STORMS WILL BE CLOUD TO GROUND LIGHTNING...GUSTY WINDS AND BRIEF HEAVY RAINFALL. A FEW THUNDERSTORMS COULD PRODUCE DAMAGING WIND GUSTS AND LARGE HAIL. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SKYWARN SPOTTERS ARE REQUESTED TO FORWARD ANY REPORTS OF LARGE HAIL...DAMAGING WINDS...TORNADOES OR FLASH FLOODING TO OUR OFFICE. GERAPETRITIS
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
526 PM EDT TUE JUN 21 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0500 PM HAIL 2 W KINGS CREEK 35.99N 81.44W
06/21/2011 E1.00 INCH CALDWELL NC TRAINED SPOTTER
HAIL QUARTER TO HALF DOLLAR SIZED.
&&
MOORESPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
545 PM EDT TUE JUN 21 2011
SCZ006-012-212230-
GREATER GREENVILLE-LAURENS-
545 PM EDT TUE JUN 21 2011
...A STRONG THUNDERSTORM WILL AFFECT NORTHWESTERN LAURENS AND
SOUTHEASTERN GREENVILLE COUNTIES THROUGH 630 PM EDT...
AT 542 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR PRINCETON...OR 15 MILES WEST OF LAURENS...
MOVING NORTHEAST AT 15 MPH.
* OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO BOYD MILL
POND...PRINCETON...ORA...HICKORY TAVERN...GRAY COURT...FOUNTAIN INN
AND FORK SHOALS.
SMALL HAIL...AND WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THIS
STORM.
LAT...LON 3445 8229 3447 8231 3449 8232 3450 8234
3455 8240 3476 8215 3459 8195 3441 8225
JPTSPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
549 PM EDT TUE JUN 21 2011
NCZ508-510-SCZ007-212230-
EASTERN POLK-GREATER RUTHERFORD-SPARTANBURG-
549 PM EDT TUE JUN 21 2011
...A STRONG THUNDERSTORM WILL AFFECT NORTHERN SPARTANBURG...
SOUTHEASTERN POLK AND SOUTHERN RUTHERFORD COUNTIES THROUGH 630 PM
EDT...
AT 542 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR FINGERVILLE...OR 11 MILES SOUTHEAST OF
COLUMBUS...MOVING NORTHEAST AT 15 MPH.
* OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO LAKE
BOWEN...SPINDALE...RUTHERFORDTON...HARRIS...FOREST CITY...ALEXANDER
MILLS AND FINGERVILLE.
DIME SIZE HAIL...AND WIND GUSTS OF 40 TO 50 MPH ARE EXPECTED WITH
THIS STORM.
LAT...LON 3541 8191 3526 8176 3518 8187 3504 8200
3518 8217
JPTSPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 552 PM EDT TUE JUN 21 2011 SCZ007-008-212230- CHEROKEE-SPARTANBURG- 552 PM EDT TUE JUN 21 2011 ...A STRONG THUNDERSTORM WILL AFFECT EASTERN SPARTANBURG AND NORTHWESTERN CHEROKEE COUNTIES THROUGH 630 PM EDT... AT 548 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 3 MILES NORTH OF SPARTANBURG...MOVING NORTHEAST AT 15 MPH. * OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO THICKETTY...MAYO...GAFFNEY...COWPENS AND BOILING SPRINGS SC. DIME SIZE HAIL...AND WIND GUSTS OF 40 TO 50 MPH ARE EXPECTED WITH THIS STORM. LAT...LON 3518 8179 3508 8160 3492 8187 3503 8201 JPT
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
601 PM EDT TUE JUN 21 2011
GAZ010-212245-
RABUN-
601 PM EDT TUE JUN 21 2011
...A STRONG THUNDERSTORM WILL AFFECT RABUN COUNTY THROUGH 645 PM
EDT...
AT 554 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 3 MILES WEST OF NACOOHE LAKE...OR 11 MILES NORTH
OF CLARKESVILLE...MOVING NORTHEAST AT 20 MPH.
* OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO NACOOHE
LAKE...LAKE BURTON...TIGER...MOUNTAIN CITY...MOCCASIN CREEK STATE
PARK...LAKEMONT AND CLAYTON.
DIME SIZE HAIL...AND WIND GUSTS OF 40 TO 50 MPH ARE EXPECTED WITH
THIS STORM.
LAT...LON 3499 8346 3493 8321 3474 8348 3477 8356
3479 8356 3483 8360 3482 8361 3483 8363
JPTSPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 640 PM EDT TUE JUN 21 2011 SCZ006-007-012-212330- GREATER GREENVILLE-LAURENS-SPARTANBURG- 640 PM EDT TUE JUN 21 2011 ...A STRONG THUNDERSTORM WILL AFFECT CENTRAL SPARTANBURG... NORTHWESTERN LAURENS AND SOUTHEASTERN GREENVILLE COUNTIES THROUGH 730 PM EDT... AT 636 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM NEAR FORK SHOALS...OR 17 MILES NORTHWEST OF LAURENS...MOVING NORTHEAST AT 20 MPH. * OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO FIVE FORKS...WOODRUFF...SIMPSONVILLE...FOUNTAIN INN AND FORK SHOALS. SMALL HAIL...AND WIND GUSTS OF 40 TO 50 MPH ARE EXPECTED WITH THIS STORM. LAT...LON 3490 8219 3476 8197 3453 8222 3465 8238 JPT
The Greer radar (KGSP), 95 km away, was scanning. The volume nearest the first event began at 22:54 UTC.
13 thunderstorm wind, 5 hail, 2 lightning. Local standard time, as filed.
Multiple trees were blown down throughout Calhoun Falls and along highghway 81 south.
Large tree limbs were blown down in Duncan, and Reidville Rd and Dano Rd.
Multiple trees were blown down between Starr and Iva.
Multiple trees were blown down, one onto a garage, and a business sign was blown down near the intersection of highway 290 and 296.
Dime to nickel size hail was reported near the intersection of highway 290 and highway|296.
Trees were blown down on Cherokee Falls Rd.
Large tree limbs were blown down on highway 25 near downtown Greenwood and a tree fell on a house on highway 221. Large tree limbs were also snapped 4 miles north northeast of town.
Trees were blown down on Holly Ridge Rd.
Multiple trees were blown down in and around the city of Laurens, with additional trees down on Wilson Town Rd about 8 miles west of Town.
Trees and large limbs were blown down in the Gray Court area. One tree was blown onto a house in Gray Court.
Lightning hit a moving car on I-26 near mile marker 41, causing significant damage.
Several trees were blown down in the central part of the county, including a tree blown down on a house in Roebuck. Trees were also blown down along highway 56 in the Pauline area. Another tree was blown down at Wofford St and Church St in Spartanburg.
Several trees were blown down on Scuffletown Rd. One tree crushed a recreational vehicle, injuring an occupant.
Several trees were blown down in the Cowpens area.
Lightning struck at the Jonesville Fire Dept, causing minor hand injuries to a person inside.
Multiple trees were blown down in the Fort Mill area. One tree fell on a home on Unity St. A tree was also blown down on a vehicle on Country Club Dr on the southwest side of Rock Hill. The occupant was trapped briefly.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in South Carolina in 2011Every state in 2011This day in weather historyWarnings in South Carolina, June 2011
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: 329565, 329566, 329567, 329568, 329569, 329570, 329571, 329572, 335300, 329827, 329837, 329838, 329840, 329844, 329849, 329851, 329862, 329869, 329871, 329877.