A small cluster of thunderstorms moved south across the North Carolina foothills during the early evening hours. One of the storms caused a little wind damage.
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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.
A small cluster of thunderstorms moved south across the North Carolina foothills during the early evening hours. One of the storms caused a little 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 Sep 1, 5:59 PM EST, 31 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 659 PM EDT THU SEP 1 2011 .SYNOPSIS... A RIDGE OF HIGH PRESSURE WILL REMAIN ENTRENCHED ACROSS THE SOUTHEAST AND DOMINATE OUR WEATHER THROUGH SUNDAY. A COLD FRONT IS EXPECTED TO MOVE IN BY LABOR DAY AND STALL NEAR THE AREA THROUGH THE MIDDLE OF NEXT WEEK. && .NEAR TERM /THROUGH FRIDAY/... TWEAKED LATE DAY POP TO REFLECT DEEP CONVECTIVE CVRG...LOW TO SLIGHT CHANCES ALONG AND SE OF THE SOUTHERN BLUE RIDGE AND ACRS THE NC PIEDMONT N OF I-40. ALL ACTIVITY SHOULD DISSIPATE BY MID-EVENING. INCREASING THICKNESS VALUES AND INCREASING SURFACE DEWPOINTS SHOULD RESULT IN MIN TEMPS AROUND OR SLIGHTLY ABOVE NORMAL TONIGHT. THE MAIN STORY FOR FRIDAY WILL BE THE HEAT...AS THE UPPER TROUGH SHIFTS AWAY FROM THE EAST COAST...ALLOWING THE RIDGE AXIS TO BUILD INTO THE REGION. OWING TO RECENT GUIDANCE PERFORMANCE...A BLEND OF THE MAV/MET TEMPS APPEARS TO BE A SAFE BET...AND THIS WILL YIELD MAXES ABOUT 10 DEGREES ABOVE NORMAL FRIDAY AFTERNOON...OUR WARMEST DAY IN OVER THREE WEEKS. FORECAST SOUNDINGS TOMORROW DEPICT RATHER WARM MID-LEVELS. HOWEVER...THERE SHOULD BE ADEQUATE CAPE TO SUPPORT ADDITIONAL ISOLATED HIGH TERRAIN SHOWERS. THE NAM AND THE GFS ALSO DIVE A SW TROUGH DOWN THE EASTERN PERIPHERY OF THE RIDGE...WITH SOME QPF RESPONSE OVER THE NC PIEDMONT AS WELL...SO SLIGHT CHANCE POPS WILL ALSO BE CARRIED EAST TO THE I-77 CORRIDOR. && .SHORT TERM /FRIDAY NIGHT THROUGH SUNDAY/... AS OF 230 PM THURSDAY...UPPER RIDGE WEAKENS BUT REMAINS OVER THE REGION SAT...THEN WEAKENS FURTHER SUN AS A SHORTWAVE APPROACHES FROM THE NW. THE SFC PRES GRADIENT BETWEEN A DEVELOPING TROPICAL SYSTEM IN THE W GULF AND HIGH PRES OFF THE E COAST WILL PUT THE CWA IN LGT E TO SE FLOW THRU THE WEEKEND. WITH HIGHER THKNS AND THE S FLOW... TEMPS WILL BE ABOVE AVG SAT AND AS MOISTURE BEGINS TO INCRS EXPECT A CHC OF SHWRS/TSTMS...MAINLY MTNS...SAT AFTN-EVE. ECMWF SHOWS A COLD FRONT MOVG IN FROM THE NW SUN AND WITH MOISTURE SURGING N AHEAD OF THE SYSTEM...EXPECT CHC POPS OVER THE MTNS EARLY IN THE DAY... SPREADING ACROSS THE CWA SUN AFTN. WITH FALLING HEIGHTS AND INCRSNG CLOUDS LOWS WILL BE ABOVE AVG WITH HIGHS NEAR AVG SUN. && .LONG TERM /SUNDAY NIGHT THROUGH THURSDAY/... AS OF 230 PM THURSDAY...GFS DEEMED AN OUTLIER FOR THE EXTENDED PD WITH AN ECMWF/CANADIAN BLEND USED FOR THIS FCST. AN UPPER TROF DIGS OVER THE OH VALLEY SUN...THEN MOVES ACROSS THE E US MON-MON NIGHT AND OFF THE E COAST TUE. AN ASSOC SFC COLD FRONT MOVES IN FROM THE W MON WITH CHC POPS ACROSS THE CWA. FRONT SHOULD PUSH SE OF THE AREA TUE BUT REMAIN CLOSE ENOUGH FOR MOISTURE TO BE DRIVEN UP OVER THE BOUNDARY BY THE TROPICAL SYSTEM THAT IS EXPECTED TO DEVELOP IN THE W GULF THIS WEEKEND...AND STAY THERE THRU MOST OF NEXT WEEK. WITH THIS IN MIND WENT WITH SLIGHT CHC POPS...MAINLY ACROSS THE S CWA TUE-THU. WITH LOWER HEIGHTS AND THKNS VALUES LOOK FOR BELOW AVG TEMPS MON-THU. && .AVIATION /00Z FRIDAY THROUGH TUESDAY/... AT KCLT...THERE COULD BE A FEW HIGH BASED STRATOCU LINGERING INTO THE NIGHT...OTHERWISE THERE REMAINS JUST A SMALL CHANCE OF SEEING A BRIEF VSBY REDUCTION JUST BEFORE SUNRISE. THE LATEST SHORT RANGE OP MODELS AND ENSEMBLES ARE KEYING ON A SUBTLE BNDRY DRIFTING INTO THE NC PIEDMONT FRIDAY AFTERNOON. THIS MAY WARRANT AN INCREASED TSTM RISK...BUT AT THIS POINT WILL NOT INTRODUCE ANY CB. ELSEWHERE...WHERE SFC DWPTS REMAINED HIGHER THIS AFTERNOON...THERE WILL BE A CHANCE OF A PERIOD OF 5-6SM AT KAND/KHKY EARLY FRIDAY MORNING...ESPECIALLY IF KHKY GETS A TSTM EARLY THIS EVENING. GUIDANCE IS STILL PROGGING A PERIOD OF LIFR VSBY AT KAVL...BUT AS WAS THE CASE LAST NIGHT...VSBY ONLY FELL TO 6SM EARLY THIS MORNING...AND WILL STICK WITH THAT. GOING POP IS LOW ENUF TO NOT MENTION ANY CB FOR FRIDAY AFTERNOON. OUTLOOK...VFR WEATHER EXCEPT OCCASIONAL MORNING VISIBILITY RESTRICTIONS IN FOG AND HAZE. ON MONDAY...MVFR AND IFR WEATHER IS POSSIBLE IN SHOWERS AND THUNDERSTORMS AS A COLD FROM ARRIVES FORM THE NW. 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 && .CLIMATE... GREENVILLE-SPARTANBURG HAS RECORDED A HIGH TEMPERATURE OF 90 DEGREES OR HIGHER 84 TIMES THIS YEAR AS OF SEPTEMBER 1. THIS TIES THE RECORD FOR THE GREATEST NUMBER OF DAYS WHERE THE TEMPERATURE HAS REACHED 90 DEGREES OR HIGHER IN ANY YEAR...LAST OCCURRING IN 1954. && .GSP WATCHES/WARNINGS/ADVISORIES... GA...NONE. NC...NONE. SC...NONE. && SYNOPSIS...PAT NEAR TERM...CSH/JDL SHORT TERM...RB LONG TERM...RB AVIATION...CSH/JDL CLIMATE...CSH
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 525 AM EDT THU SEP 1 2011 GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065- 068>072-082-501>510-SCZ001>014-019-020930- 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- 525 AM EDT THU SEP 1 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...PIEDMONT NORTH CAROLINA...WESTERN NORTH CAROLINA AND UPSTATE SOUTH CAROLINA. .DAY ONE...TODAY AND TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... NONE.
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
612 PM EDT THU SEP 1 2011
NCZ035-502-012300-
ALEXANDER-GREATER CALDWELL-
612 PM EDT THU SEP 1 2011
...A STRONG THUNDERSTORM WILL AFFECT EASTERN CALDWELL AND WESTERN
ALEXANDER COUNTIES THROUGH 700 PM EDT...
AT 607 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 4 MILES NORTHEAST OF ELKVILLE...OR 5 MILES WEST
OF BOOMER...MOVING SOUTH AT 20 MPH.
THIS STORM WILL BE NEAR...
KINGS CREEK...
ELLENDALE...
LAKE HICKORY...
PEA SIZE HAIL...AND WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED WITH THIS
STORM.
LAT...LON 3600 8132 3601 8131 3603 8125 3602 8125
3580 8130 3580 8132 3583 8156 3604 8146
3606 8142
MCAVOYSPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
633 PM EDT THU SEP 1 2011
NCZ036-012315-
IREDELL-
633 PM EDT THU SEP 1 2011
...A STRONG THUNDERSTORM WILL AFFECT NORTHERN IREDELL COUNTY THROUGH
715 PM EDT...
AT 632 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR UNION GROVE...OR 13 MILES SOUTH OF RONDA...
MOVING SOUTH AT 15 MPH.
* OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO UNION
GROVE...TURNERSBURG...SCOTTS AND LOVE VALLEY.
PEA SIZE HAIL...AND WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED WITH THIS
STORM.
FREQUENT LIGHTNING IS OCCURRING WITH THIS STORM. IF OUTDOORS...STAY
AWAY FROM ISOLATED HIGH OBJECTS SUCH AS TREES. MOVE INDOORS IF
POSSIBLE. WHEN INDOORS...STAY AWAY FROM WINDOWS AND DOORS AND AVOID
USING TELEPHONES UNLESS IT IS AN EMERGENCY. TRY TO UNPLUG UNNECESSARY
ELECTRICAL APPLIANCES BEFORE THE THUNDERSTORM APPROACHES.
LAT...LON 3606 8079 3579 8075 3580 8107 3585 8105
3586 8104 3599 8100 3606 8097
MCAVOYSPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 700 PM EDT THU SEP 1 2011 NCZ056-502-504-012345- CATAWBA-GREATER BURKE-GREATER CALDWELL- 700 PM EDT THU SEP 1 2011 ...A STRONG THUNDERSTORM WILL AFFECT EASTERN BURKE...SOUTHEASTERN CALDWELL AND WESTERN CATAWBA COUNTIES THROUGH 745 PM EDT... AT 657 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM NEAR SAWMILLS...OR 7 MILES SOUTHEAST OF LENOIR... MOVING SOUTH AT 20 MPH. * OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO RUTHERFORD COLLEGE...LAKE RHODHISS...VALDESE...SAWMILLS...RHODHISS...PLEASANT GROVE...LONGVIEW...ICARD...HUDSON...HILDEBRAN...GRANITE FALLS AND CONNELLY SPRINGS. PEA SIZE HAIL...AND WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED WITH THIS STORM. FREQUENT LIGHTNING IS OCCURRING WITH THIS STORM. IF OUTDOORS...STAY AWAY FROM ISOLATED HIGH OBJECTS SUCH AS TREES. MOVE INDOORS IF POSSIBLE. WHEN INDOORS...STAY AWAY FROM WINDOWS AND DOORS AND AVOID USING TELEPHONES UNLESS IT IS AN EMERGENCY. TRY TO UNPLUG UNNECESSARY ELECTRICAL APPLIANCES BEFORE THE THUNDERSTORM APPROACHES. LAT...LON 3559 8140 3563 8162 3586 8152 3583 8136 MCAVOY
The Greer radar (KGSP), 112 km away, was scanning. The volume nearest the first event began at 23:31 UTC.
1 thunderstorm wind. Local standard time, as filed.
Trees and power lines were blown down on Mineral Springs Mountain Rd, with some power lines on a vehicle, trapping people inside.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in North Carolina in 2011Every state in 2011This day in weather historyWarnings in North Carolina, September 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: 346491.