Alert archive / South Carolina / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 564, NWS Greenville-Spartanburg, SC

August 4, 2011Abbeville County, Anderson County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Aug 4, 2011, 6:11 PM EDT for Abbeville County, Anderson County, South Carolina. It was in force for 51 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Aug 4, 2011, 6:11 PM EDT (22:11 UTC)
Expired
Aug 4, 2011, 7:02 PM EDT
In force
51 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

Counties Abbeville County, SC, Anderson County, SC

The radar

The Greer radar (KGSP), 64 km from the middle of the area, began a volume at 22:12 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Aug 4, 6:30 PM EDTTSTM WND DMGAnderson, SCTREE DOWN IN ANDERSON
Aug 4, 6:45 PM EDTTSTM WND DMG1 Sw Belton, SCA FEW TREES DOWN AROUND BELTON...TWO ON FOREST LANE ON THE SOUTHWEST SIDE...A GOOD SIZE TREE AT THE FIRE DEPARTMENT DOWN...AND HE KNEW OF A FEW MORE THAT NOBODY CALLED IN FOR HELP.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

Did it verify

Verified. The Iowa Environmental Mesonet's Cow matched 2 storm reports to this severe thunderstorm warning; the first came 19 minutes after it went out.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 10.2 hours before the alert went out and 218 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Peachtre/Fal Fld, GA at 12:00Z on 2011-08-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1024 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 12:00Z on 2011-08-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -7 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1024 J/kg
Mixed-layer CIN
-247 J/kg
Mixed-layer LCL
1334 m above ground
0-6 km bulk shear
4 kt
0-1 km storm-relative helicity
-7 m²/s²
0-3 km storm-relative helicity
34 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

945 
WUUS52 KGSP 042211
SVRGSP
SCC001-007-042315-
/O.NEW.KGSP.SV.W.0564.110804T2211Z-110804T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
611 PM EDT THU AUG 4 2011

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN ABBEVILLE COUNTY IN UPSTATE SOUTH CAROLINA...
  SOUTHEASTERN ANDERSON COUNTY IN UPSTATE SOUTH CAROLINA...

* UNTIL 715 PM EDT

* AT 608 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED 2 MILES NORTHWEST OF BROADWAY
  LAKE...OR 3 MILES SOUTHEAST OF ANDERSON...MOVING SOUTHEAST AT 10
  MPH.

* LOCATIONS IMPACTED INCLUDE...
  BELTON...
  BROADWAY LAKE...
  HONEA PATH...
  SECESSION LAKE...
  ANTREVILLE...DUE WEST AND DONALDS...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PEOPLE IN THE PATH OF THIS SEVERE THUNDERSTORM SHOULD BE ALERT FOR
LARGE HAIL AND DAMAGING WINDS. FREQUENT LIGHTNING AND LOCALLY HEAVY
RAIN CAN OCCUR WITH ANY THUNDERSTORM. SEEK SHELTER INDOORS AWAY FROM
WINDOWS AND DOORS UNTIL THE STORM PASSES.

TO REPORT DAMAGING WINDS...LARGE HAIL...OR FLOODING...THROUGH OUR
AUTOMATED REPORTING SYSTEM...CALL OUR TOLL FREE NUMBER...
1 8 7 7...6 3 3...6 7 7 2.

&&

LAT...LON 3416 8251 3450 8275 3460 8258 3437 8230
      3434 8233 3432 8231 3429 8231
TIME...MOT...LOC 2212Z 323DEG 10KT 3448 8260

$$
RB
2 follow-up statements
995 
WWUS52 KGSP 042228
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
628 PM EDT THU AUG 4 2011

SCC001-007-042315-
/O.CON.KGSP.SV.W.0564.000000T0000Z-110804T2315Z/
ABBEVILLE SC-ANDERSON SC-
628 PM EDT THU AUG 4 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM EDT
FOR SOUTHEASTERN ANDERSON AND NORTHERN ABBEVILLE COUNTIES...

AT 624 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING NIKEL SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED NEAR BROADWAY LAKE...OR 6 MILES SOUTHEAST OF ANDERSON...
MOVING SOUTHEAST AT 10 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO HONEA
PATH...SECESSION LAKE...ANTREVILLE...DUE WEST AND DONALDS

LAT...LON 3416 8251 3449 8274 3458 8256 3437 8230
      3434 8233 3433 8232 3432 8233 3432 8231
      3429 8231
TIME...MOT...LOC 2228Z 317DEG 10KT 3445 8257

$$
RB
681 
WWUS52 KGSP 042302
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
702 PM EDT THU AUG 4 2011

SCC001-007-042312-
/O.CAN.KGSP.SV.W.0564.000000T0000Z-110804T2315Z/
ABBEVILLE SC-ANDERSON SC-
702 PM EDT THU AUG 4 2011

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN ANDERSON AND
NORTHERN ABBEVILLE COUNTIES IS CANCELLED...

THE STORM WEAKENED BELOW SEVERE LEVELS SO THE WARNING IS CANCELLED.

LAT...LON 3416 8251 3449 8274 3458 8256 3437 8230
      3434 8233 3433 8232 3432 8233 3432 8231
      3429 8231
TIME...MOT...LOC 2302Z 317DEG 10KT 3438 8249

$$

RB

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, 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 this severe thunderstorm warning went out at Aug 4, 5:42 PM EDT, 29 minutes earlier.

Area forecast discussion, Aug 4, 5:42 PM EDT, 29 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
542 PM EDT THU AUG 4 2011

.SYNOPSIS...
A WEAK SURFACE FRONT WILL REMAIN STATIONARY ACROSS NORTH GEORGIA AND
THE CAROLINAS INTO THE WEEKEND.  EXPECT THE WEATHER TO BE UNSETTLED
THROUGH EARLY NEXT WEEK.

&&

.NEAR TERM /THROUGH FRIDAY/...
SCATTERED CONVECTION WILL PERSIST ACROSS THE HEART OF THE CWFA
THROUGH AT LEAST SUNSET. THE LATEST SPC MESOANALYSIS DEPICTS
DECREASING INSTABILITY ACROSS THE FAR EASTERN AND SOUTHERN PIEDMONT
ZONES...SO POPS WILL REMAIN IN THE SLIGHT CHANCE RANGE THERE FOR
NOW. OTHERWISE...OUTFLOW BOUNDARY FROM MOUNTAIN AND FOOTHILLS
CONVECTION CONTINUES TO DRIFT TOWARD THE SOUTH...COOLING TEMPS BY 10
DEGREES OR MORE AS IT PASSES. THIS MAY BRING AN ABRUPT END TO HEAT
ADVISORY CONDITIONS ACROSS THE SOUTHERN HALF OF THE UPSTATE. ON THE
OTHER HAND...THE COLD POOL DOES SEEM TO BE WEAKENING...AS NEW CELL
GROWTH IS BECOMING LESS COMMON AND LESS STRONG. SO...THE HEAT
ADVISORY WILL BE RETAINED FOR NOW...ESP SINCE KAND/KAHN/KUZA WERE
ALL REPORTING 105 OR HIGHER HEAT INDICES AT 21Z.

THE SUBTROPICAL RIDGE AXIS WILL BE ESTABLISHED OVER THE FA THRU
FRIDAY...WITH MOST OF THE SHORTWAVE ENERGY REMAINING NORTH OF THE
AREA. IN THE LOW LEVELS...GUIDANCE IN AGREEMENT ON A WEAK LLVL WAVE
NEARLY STATIONARY INVOF THE UPPER SAVANNAH VALLEY...WHILE HIGH PRES
BUILDS INTO THE MID ATLANTIC. THIS SETUP WILL KEEP A PERSISTENT LLVL
EASTERLY FLOW...WITH MOISTURE STREAMING IN FROM THE ATLANTIC. THE
NAM HAS REALLY TRENDED STRONGER WITH THE FLOW...AND LOOKS LIKE WEAK
CAD SETUP FOR FRIDAY MORNING. IT MAY BE OVERDONE (MET TEMPS STAY IN
UPR 70S TO LWR 80S ACRS NC FOOTHILLS/NW PIEDMONT). BUT THE NAM TENDS
TO DO BETTER WITH THESE SITUATIONS...SO IT WAS GIVEN THE MOST WEIGHT
WITH THIS FCST UPDATE.

TONIGHT...FCST SNDGS SHOW ELEVATED INSTBY REMAINS...WHILE EASTERLY
LLVL FLOW INCREASES. THE NAM BUFKIT SOUNDINGS HAVE THE UPSLOPE FLOW
CAPPED...BUT THERE MAY BE A FEW SHWRS LINGERING OVERNIGHT. STRATUS
MAY ALSO MOVE IN FROM THE NE DUE TO THE MOIST UPSLOPE FLOW. SO
EXPECT A WARM...MUGGY NIGHT (LOWS IN THE UPR 60S MTN VLYS AND MID
70S PIEDMONT).

FRIDAY...CHALLENGING FCST WITH HIGH BUST POTENTIAL...AS PRETTY MUCH
ALL THE GUIDANCE HAS A WEDGY SETUP WITH QPF POSSIBLY HOLDING IN LOW
CLOUDS ACRS THE BLUE RIDGE AND PIEDMONT OF NC (MAYBE EVEN FURTHER
SOUTH). THIS COMPLICATES THE TEMP FCST AND CHCS OF CONVECTION. FCST
SNDGS SHOW THAT CIN MAY REMAIN IF SKIES DONT CLEAR OUT EARLY ENUF.
HOWEVER...IF THEY DO...TEMPS WILL JUMP A CATEGORY OR TWO ABOVE WHAT
IS FCST AND SHUD BE ENUF FOR SCATTERED STORMS. SEVERE THREAT DOES
NOT LOOK AS GOOD AS IT DID ON PREV FCSTS (SHORTWAVE TRACK FURTHER
NORTH AND LESS MID LVL DRY AIR). FOR NOW...TRENDED TOWARD THE 12Z
NAM...WHICH KEEPS MUCH OF THE NC FOOTHILLS/PIEDMONT CLOUDY INTO THE
AFTN. TEMPS WILL BE BACK INTO THE MID-UPR 90S ACRS THE GA/SC
PIEDMONT WITH HIGH HUMIDITY.

&&

.SHORT TERM /FRIDAY NIGHT THROUGH SUNDAY/...
AS OF 200 PM THU...HEIGHTS WILL FALL ACROSS THE REGION FRI NIGHT.
THE FOCUS FOR NOCTURNAL CONVECTION SHOULD BE THE WEAK AND DECAYING
PIEDMONT FRONTAL ZONE AS WELL AS CONVERGENCE AND LIGHT UPSLOPE IN
THE MTNS. A SHORTWAVE WILL LIKELY CROSS THE REGION IN THE DEVELOPING
UPPER TROUGH ON SAT. THIS WEAK UPPER FORCING WILL COMBINE WITH
IMPROVING SOUTHEASTERLY UPSLOPE FLOW IN THE BOUNDARY LAYER AND HIGH
PRECIPITABLE WATER VALUES TO GREATLY INCREASE CONVECTIVE COVERAGE.
WILL FORECAST SOLID CHC TO LOW LIKELY POPS FOR SAT FOR NOW...BUT
WOULD NOT BE SURPRISED. IF CATEGORICAL POPS ARE NEEDED AT SOME
POINT...ESPECIALLY OVER THE NC FOOTHILLS. GIVEN THE ANTICIPATED
CLOUD COVER AND CONVECTIVE COVERAGE...WILL GO AT OR BELOW THE COOLER
MET MOS FOR TEMPS. THE ENVIRONMENT DOES NOT LOOK ESPECIALLY
THREATENING FOR SEVERE TSTMS SAT. HOWEVER...EXCESSIVE RAINFALL COULD
BECOME A PROBLEM ALONG THE EASTERN ESCARPMENT IF ANY SHOWERS BECOME
ANCHORED AGAINST THE HIGHER TERRAIN.

LINGERING PRECIPITATION THROUGH SAT NIGHT SHOULD PARE BACK TO MAINLY
UPSLOPE SHOWERS ALONG THE TN BORDER AS THE 850 MB FLOW TURNS MORE
WESTERLY. A STRONGER NORTHWESTERLY DOWNSLOPE FLOW IS ANTICIPATED ON
SUNDAY. THE BEST PRECIP CHANCES WILL BE IN SW SECTIONS SUN
AFTN...WHERE THE UPSLOPE FLOW AND INSTABILITY WILL BEST OVERLAP. A
LEE TROUGH COULD PROVIDE A FOCUS FOR ADDITIONAL SCATTERED
THUNDERSTORMS E OF THE MTNS. MAX TEMPS SHOULD WARM A FEW DEGREES
OVER SAT VALUES WITH LESS CLOUDS AND A WARMING DOWNSLOPE FLOW.

&&

.LONG TERM /SUNDAY NIGHT THROUGH THURSDAY/...
AS OF 210 AM THURSDAY...THE MEDIUM RANGE FORECAST CONTINUES TO BE
ACTIVE AT LEAST IN THE FIRST HALF OF THE UPCOMING WEEK.  IT IS
INTERESTING THAT THE SREF MERGES EMILY INTO A LOW OVER THE MID TO
EASTERN CAROLINAS AT THE END OF THE CURRENT SREF CYCLE AT 00Z
MONDAY.  HOWEVER...BY THE SUNDAY EVENING PERIOD THE OTHER MODELS
HAVE NO HINT OF EMILY CLOSE TO OUR FORECAST AREA.  A SERIES OF
SHORTWAVES WILL MOVE THROUGH THE BROAD UPPER TROFINESS OVER THE
EASTERN HALF OF THE NATION AS THE CENTER OF THE UPPER RIDGE
RETROGRADES YET AGAIN TO THE SOUTHWEST STATES.  ONE WEAK COLD FRONT
WILL STALL OUT OVER OUR AREA AND DISSIPATE EARLY IN THE WEEK.
ANOTHER WEAK COLD FRONT WILL ARRIVE IN MID WEEK AND POTENTIALLY SOME
DRIER AIR BEHIND THE FRONT LATE IN THE WEEK.  TEMPERATURES WILL BE
SEVERAL DEGREES ABOVE NORMAL EARLY IN THE WEEK BUT AS THE SHORTWAVES
PASS AND THE UPPER TROFINESS BECOMES MORE ESTABLISHED HIGHS WILL BE
NEAR OR JUST ABOVE NORMAL.

&&

.AVIATION /22Z THURSDAY THROUGH TUESDAY/...
AT KCLT...NELY WINDS SHUD CONTINUE TO WEAKEN AND TURN MORE ENE
(MAYBE EVEN ESE). PLENTY OF CU SEEN ON VIS SATELLITE. STILL THINK
ISOLD TO SCATTERED SHWRS/TSTMS WILL DEVELOP THIS AFTN...SO WILL KEEP
CB MENTION. OVERNIGHT...GUIDANCE SHOWS WINDS BACK TO NE WITH AN MVFR
STRATUS DECK APPROACHING FROM THE NE BY DAYBREAK FRI. HAVE TRENDED
WITH THIS SCENARIO...HAVING MVFR AT 12Z. CONFIDENCE IS STILL LOW ON
HOW THE STRATUS WILL EVOLVE AND HOW QUICKLY IT CAN DISSIPATE AFTER
DAYBREAK.

ELSEWHERE...A FEW SHWRS AND TSTMS ARE BEGINNING TO DEVELOP ACRS THE
UPSTATE...BUT COVERAGE SHUD REMAIN ISOLD TO WIDELY SCATTERED. SO
ONLY ADDED A CB MENTION ATTM. AT TIME OF 18Z TAF ISSUANCE...A SHWR
WAS SEEN ON RADAR NE OF THE GSP TERMINAL. OTHERWISE...VFR WITH LIGHT
WIND INTO TONIGHT. GUIDANCE TRENDING TOWARD A SECOND SURGE OF NELY
WIND AND STRATUS COMING IN FROM THE NE BY DAYBREAK FRIDAY. FOR NOW
HAVE THE CLOUDS REACHING HKY AND GSP...BUT REMAINING EAST OF THE
ESCARPMENT. WITH THAT SAID...MTN VALLEYS MAY BE CLEAR ENUF TO ALLOW
FOG DEVELOPMENT. HAVE KAVL GOING IFR WITH FOG FOR EARLY MORNING
HOURS.

OUTLOOK...MOISTURE ON EASTERLY FLOW WILL INCREASE THRU THE WEEKEND.
RESTRICTIONS COULD DEVELOP AGAIN FRI NGT INTO THE WEEKEND IN THE
MOIST UPSLOPE FLOW. EXPECT SCATTERED TO NUMEROUS SHWRS/TSTMS
SATURDAY AFTN. MORE TYPICAL DIURNAL TSTMS EXPECTED FROM SUNDAY INTO
NEXT 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

&&

.CLIMATE...
RECORD HIGH TEMPERATURES...

FOR THURSDAY AUGUST 4...

GREENVILLE-SPARTANBURG...99 DEGREES...SET IN 2006
CHARLOTTE DOUGLAS INTL AIRPORT...98 DEGREES...SET IN 2006
ASHEVILLE REGIONAL AIRPORT...93 DEGREES...SET IN 2008

&&

.GSP WATCHES/WARNINGS/ADVISORIES...
GA...HEAT ADVISORY UNTIL 8 PM EDT THIS EVENING FOR GAZ018-026-028-
     029.
NC...HEAT ADVISORY UNTIL 8 PM EDT THIS EVENING FOR NCZ068>072-082-
     507>510.
SC...HEAT ADVISORY UNTIL 8 PM EDT THIS EVENING FOR SCZ001>014-019.

&&

SYNOPSIS...DEO
NEAR TERM...ARK/JDL
SHORT TERM...HG
LONG TERM...DEO
AVIATION...ARK
CLIMATE...PM/NED
Hazardous weather outlook, Aug 4, 2:48 PM EDT, 3 hours 23 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
248 PM EDT THU AUG 4 2011

NCZ033-048>053-058-059-062>065-051900-
AVERY-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-BUNCOMBE-GRAHAM-
NORTHERN JACKSON-MACON-SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON-
248 PM EDT THU AUG 4 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN NORTH CAROLINA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

ISOLATED SHOWERS AND THUNDERSTORMS WILL CONTINUE TO DEVELOP
THROUGH THE AFTERNOON HOURS. THE PRIMARY THREAT WITH THESE
THUNDERSTORMS WILL BE CLOUD TO GROUND LIGHTNING...HEAVY
DOWNPOURS...AND GUSTY WINDS.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

NONE.

GAZ018-026-028-029-NCZ068>072-082-507>510-SCZ001>014-019-051900-
STEPHENS-FRANKLIN-HART-ELBERT-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-
248 PM EDT THU AUG 4 2011

...HEAT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...PIEDMONT
NORTH CAROLINA...WESTERN NORTH CAROLINA AND UPSTATE SOUTH CAROLINA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   HEAT ADVISORY.

ISOLATED TO SCATTERED THUNDERSTORMS WILL CONTINUE TO DEVELOP THIS
AFTERNOON AND EVENING. THE PRIMARY THREAT WITH THESE THUNDERSTORMS
WILL BE CLOUD TO GROUND LIGHTNING...HEAVY DOWNPOURS...AND GUSTY
WINDS.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

NONE.

GAZ010-017-NCZ035>037-056-057-501>506-051900-
RABUN-HABERSHAM-ALEXANDER-IREDELL-DAVIE-CATAWBA-ROWAN-
CALDWELL MOUNTAINS-GREATER CALDWELL-BURKE MOUNTAINS-GREATER BURKE-
MCDOWELL MOUNTAINS-EASTERN MCDOWELL-
248 PM EDT THU AUG 4 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...PIEDMONT
NORTH CAROLINA AND WESTERN NORTH CAROLINA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

ISOLATED TO SCATTERED THUNDERSTORMS WILL CONTINUE TO DEVELOP THIS
AFTERNOON AND EVENING. THE PRIMARY THREAT WITH THESE THUNDERSTORMS
WILL BE CLOUD TO GROUND LIGHTNING...HEAVY DOWNPOURS...AND GUSTY
WINDS.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

NONE.

In the hours before

Special weather statement, Aug 4, 3:30 PM EDT, 2 hours 41 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
330 PM EDT THU AUG 4 2011

NCZ064-SCZ002-003-042000-
GREENVILLE MOUNTAINS-PICKENS MOUNTAINS-TRANSYLVANIA-
330 PM EDT THU AUG 4 2011

...A STRONG THUNDERSTORM WILL AFFECT EASTERN TRANSYLVANIA...
NORTHEASTERN PICKENS AND NORTHWESTERN GREENVILLE COUNTIES THROUGH 400
PM EDT...

AT 328 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR CEDAR MOUNTAIN...OR 8 MILES SOUTHEAST OF
BREVARD...MOVING SOUTHEAST AT 15 MPH.

THIS STORM WILL BE NEAR...
  TABLE ROCK RESERVOIR...
  CAESARS HEAD...
  JONES GAP STATE PARK...
  MARIETTA...

WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED WITH THIS STORM. FREQUENT
LIGHTNING AND A PERIOD OF HEAVY RAIN CAN ALSO BE EXPECTED.

LAT...LON 3526 8268 3521 8260 3517 8259 3515 8258
      3516 8255 3516 8251 3509 8239 3498 8250
      3495 8260 3512 8282

RB
Special weather statement, Aug 4, 4:06 PM EDT, 2 hours 5 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
406 PM EDT THU AUG 4 2011

SCZ006-007-042045-
GREATER GREENVILLE-SPARTANBURG-
406 PM EDT THU AUG 4 2011

...A STRONG THUNDERSTORM WILL AFFECT EASTERN GREENVILLE AND WESTERN
SPARTANBURG COUNTIES THROUGH 445 PM EDT...

AT 402 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR GREER...OR 11 MILES NORTHEAST OF DOWNTOWN
GREENVILLE...MOVING SOUTH AT 5 MPH.

THIS STORM WILL BE NEAR...
  GREER...
  DUNCAN...
  GSP AIRPORT...

WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED WITH THIS STORM. CLOUD TO
GROUND LIGHTNING AND A PERIOD OF HEAVY RAIN CAN ALSO BE EXPECTED.

LAT...LON 3475 8234 3502 8239 3507 8218 3481 8205

RB
Special weather statement, Aug 4, 4:48 PM EDT, 1 hour 23 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
448 PM EDT THU AUG 4 2011

SCZ006-007-042130-
GREATER GREENVILLE-SPARTANBURG-
448 PM EDT THU AUG 4 2011

...STRONG THUNDERSTORMS WILL AFFECT EASTERN GREENVILLE AND WESTERN
SPARTANBURG COUNTIES THROUGH 530 PM EDT...

AT 444 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM WELLFORD TO
TAYLORS...MOVING SOUTH AT 10 MPH.

THESE STORMS WILL BE NEAR...
  DUNCAN...
  CHERRYDALE POINT...
  GSP AIRPORT...
  DOWNTOWN GREENVILLE...
  HAYWOOD MALL...
  PELHAM ROAD AT I-85...

WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED WITH THESE STORMS. CLOUD TO
GROUND LIGHTNING AND A PERIOD OF HEAVY RAIN CAN ALSO BE EXPECTED.

LAT...LON 3500 8247 3505 8228 3507 8202 3471 8194
      3470 8207 3474 8208 3475 8211 3478 8215
      3469 8219 3467 8241

RB
Special weather statement, Aug 4, 5:04 PM EDT, 1 hour 7 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
504 PM EDT THU AUG 4 2011

GAZ029-042130-
ELBERT-
504 PM EDT THU AUG 4 2011

...A STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN ELBERT COUNTY
THROUGH 530 PM EDT...

AT 500 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR FORTSONIA...OR 9 MILES SOUTHEAST OF
ELBERTON...MOVING SOUTHEAST AT 10 MPH.

WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED WITH THIS STORM. CLOUD TO
GROUND LIGHTNING AND A PERIOD OF HEAVY RAIN CAN ALSO BE EXPECTED.

LAT...LON 3397 8260 3397 8264 3398 8266 3397 8279
      3398 8282 3398 8286 3401 8291 3411 8277
      3396 8256 3396 8258

RB
Special weather statement, Aug 4, 5:50 PM EDT, 21 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
550 PM EDT THU AUG 4 2011

GAZ028-SCZ001-004-042215-
GREATER OCONEE-HART-OCONEE MOUNTAINS-
550 PM EDT THU AUG 4 2011

...A STRONG THUNDERSTORM WILL AFFECT NORTHERN HART AND SOUTHEASTERN
OCONEE COUNTIES THROUGH 615 PM EDT...

AT 547 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR OAKWAY...OR 11 MILES SOUTH OF WALHALLA...
MOVING SOUTHEAST AT 5 MPH.

THIS STORM WILL BE NEAR...
  FAIR PLAY...

WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED WITH THIS STORM. CLOUD TO
GROUND LIGHTNING AND A PERIOD OF HEAVY RAIN CAN ALSO BE EXPECTED.

LAT...LON 3446 8307 3450 8305 3450 8307 3453 8308
      3458 8316 3461 8316 3461 8321 3473 8306
      3459 8287 3448 8299 3448 8293 3441 8303

RB
Special weather statement, Aug 4, 6:10 PM EDT, 1 minute before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
610 PM EDT THU AUG 4 2011

SCZ010-042300-
ANDERSON-
610 PM EDT THU AUG 4 2011

...A STRONG THUNDERSTORM WILL AFFECT SOUTHERN ANDERSON COUNTY THROUGH
700 PM EDT...

AT 608 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 3 MILES SOUTHWEST OF BROADWAY LAKE...OR 5 MILES
SOUTH OF ANDERSON...MOVING SOUTHEAST AT 10 MPH.

THIS STORM WILL BE NEAR...
  IVA...

WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED WITH THIS STORM. CLOUD TO
GROUND LIGHTNING AND A PERIOD OF HEAVY RAIN CAN ALSO BE EXPECTED.

LAT...LON 3445 8280 3456 8262 3441 8244 3423 8270

RB

The office that day

Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 4, 12:35 PM EDTSpecial Weather StatementGSPAbbeville40 min
Aug 4, 3:11 PM EDTSpecial Weather StatementGSPSpartanburg34 min
Aug 4, 4:06 PM EDTSpecial Weather StatementGSPGreenville39 min
Aug 4, 4:48 PM EDTSpecial Weather StatementGSPGreenville, Spartanburg42 min
Aug 4, 5:50 PM EDTSpecial Weather StatementGSPOconee25 min
Aug 4, 6:10 PM EDTSpecial Weather StatementGSPAnderson50 min
Aug 4, 6:35 PM EDTSevere Thunderstorm WarningGSPAnderson23 min
Aug 4, 7:24 PM EDTSevere Thunderstorm WarningGSPAbbeville, Anderson40 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2011Every severe thunderstorm warning in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.