Alert archive / South Carolina / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 609, NWS Greenville-Spartanburg, SC

August 13, 2011Cherokee County, York County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Aug 13, 2011, 5:40 PM EDT for Cherokee County, York County, South Carolina. It was in force for 65 min. 3 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 13, 2011, 5:40 PM EDT (21:40 UTC)
Expired
Aug 13, 2011, 6:45 PM EDT
In force
65 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

Counties Cherokee County, SC, York County, SC

The radar

The Greer radar (KGSP), 71 km from the middle of the area, began a volume at 21:39 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 13, 6:05 PM EDTTSTM WND DMG6 Ne Smyrna, SCSEVERAL TREES DOWN ON SC HWY 731.
Aug 13, 6:05 PM EDTTSTM WND DMG9 Ne Smyrna, SCSEVERAL TREES DOWN ON SC HWY 731.
Aug 13, 6:12 PM EDTTSTM WND DMG4 Wnw Clover, SCONE TREE DOWN IN THE BETHANY AREA. TIME ESTIMATED BASED ON DOPPLER VELOCITY DATA.

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 3 storm reports to this severe thunderstorm warning; the first came 25 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

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 9.7 hours before the alert went out and 181 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, Greensboro/Hi Pt, NC at 12:00Z on 2011-08-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.1000850700500300200100-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Greensboro/Hi Pt, NC at 12:00Z on 2011-08-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
6909 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
126 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.

723 
WUUS52 KGSP 132140
SVRGSP
SCC021-091-132245-
/O.NEW.KGSP.SV.W.0609.110813T2140Z-110813T2245Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
540 PM EDT SAT AUG 13 2011

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CHEROKEE COUNTY IN UPSTATE SOUTH CAROLINA...
  WESTERN YORK COUNTY IN UPSTATE SOUTH CAROLINA...

* UNTIL 645 PM EDT

* AT 535 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 3 MILES
  NORTH OF GAFFNEY...MOVING EAST AT 10 MPH.

* LOCATIONS IMPACTED INCLUDE...
  BLACKSBURG...
  SMYRNA...HICKORY GROVE...KINGS MOUNTAIN STATE PARK AND SHARON...

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 3484 8133 3504 8176 3518 8170 3518 8151
      3517 8150 3517 8142 3516 8123
TIME...MOT...LOC 2140Z 285DEG 10KT 3510 8162

$$
07
2 follow-up statements
270 
WWUS52 KGSP 132213
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
613 PM EDT SAT AUG 13 2011

SCC021-091-132245-
/O.CON.KGSP.SV.W.0609.000000T0000Z-110813T2245Z/
CHEROKEE SC-YORK SC-
613 PM EDT SAT AUG 13 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM EDT
FOR WESTERN YORK AND EASTERN CHEROKEE COUNTIES...

AT 609 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED 3 MILES SOUTH OF BLACKSBURG...OR 7 MILES EAST OF GAFFNEY...
MOVING EAST AT 10 MPH.

* LOCATIONS IMPACTED INCLUDE...
  SMYRNA...HICKORY GROVE...KINGS MOUNTAIN STATE PARK AND SHARON...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PEOPLE IN THE PATH OF THIS STORM 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.

&&

LAT...LON 3484 8133 3501 8170 3518 8152 3516 8134
      3516 8123
TIME...MOT...LOC 2213Z 285DEG 10KT 3508 8151

$$

07
891 
WWUS52 KGSP 132237
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
637 PM EDT SAT AUG 13 2011

SCC021-091-132247-
/O.EXP.KGSP.SV.W.0609.000000T0000Z-110813T2245Z/
CHEROKEE SC-YORK SC-
637 PM EDT SAT AUG 13 2011

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN YORK AND EASTERN
CHEROKEE COUNTIES WILL EXPIRE AT 645 PM EDT...

THE STORM THAT HAD PROMPTED THE WARNING HAS MOVED INTO CENTRAL YORK 
COUNTY.

LAT...LON 3484 8133 3501 8170 3518 8152 3516 8134
      3516 8123
TIME...MOT...LOC 2237Z 285DEG 10KT 3506 8143

$$

ARK

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 13, 5:09 PM EDT, 31 minutes earlier.

Area forecast discussion, Aug 13, 5:09 PM EDT, 31 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
509 PM EDT SAT AUG 13 2011

.SYNOPSIS...
A COLD FRONT WILL APPROACH THE AREA FROM THE NORTHWEST AND MOVE
ACROSS THE WESTERN CAROLINAS LATE SUNDAY INTO EARLY MONDAY. HIGH
PRESSURE WILL GRADUALLY BUILD INTO THE REGION EARLY NEXT WEEK...
BEFORE WEAKENING BY MID-WEEK. ANOTHER COLD FRONT WILL LIKELY
APPROACH THE AREA BY THE END OF NEXT WEEK.

&&

.NEAR TERM /THROUGH SUNDAY/...
OUTFLOW DRIVE CONVECTION WILL PUSH EAST ACROSS THE PIEDMONT THROUGH
MID EVENING. ADDITIONAL SCATTERED ACTIVITY WILL LIKELY DEVELOP BACK
OVER THE MTNS AS UPPER LEVEL SHORTWAVES AHEAD OF THE MAIN TROUGH
APPROACH. SHEAR REMAINS SOMEWHAT LIMITED...AND INSTABILITY SHOULD
STEADILY WANE THROUGH THE EVENING HOURS TO KEEP THE SEVERE THREAT A
BIT MARGINAL. HOWEVER...FORCING WILL GRADUALLY IMPROVE AND COVERAGE
SHOULD RAMP UP AGAIN FROM THE WEST OVERNIGHT AS A COLD FRONT
APPROACHES. ANY HYDRO PROBLEMS IN THE HEAVIEST SHOWERS SHOULD BE
ISOLATED AS THE STORMS ARE MOVING EAST AROUND 20 KT.
HOWEVER...FLOODING COULD STILL OCCUR IN ANY TRAINING THAT
DEVELOPS.

SUNDAY...ANOTHER SHORT WAVE ROUNDS THE LONG WAVE TROF AND MOVES INTO
THE AREA. DEEP MOISTURE MOVES EAST DURING THE DAY TAKING THE CHC OF
WIDESPREAD CONVECTION WITH IT. HOWEVER...ENUF LOW LEVEL MOISTURE
WILL REMAIN FOR SCT CONVECTION TO DEVELOP BEHIND THE DEEP MOISTURE
ACROSS NC. DRIER AIR AND WLY FLOW SHOULD HELP KEEP CONVECTION TO A
MINIMUM OVER THE WRN UPSTATE AND NE GA DURING THE AFTERNOON. HIGHS
WILL BE TRICKY WITH WITH CLOUDS AND PRECIP EARLY BUT CLEARING SKIES
AT LEAST ACROSS THE SWRN CWFA FOR THE AFTERNOON. HAVE TRENDED TOWARD
THE COOLER MET WHICH IS A LITTLE BELOW NORMAL FOR SC BUT NEAR NORMAL
FOR THE UPSTATE AND NE GA.

&&

.SHORT TERM /SUNDAY NIGHT THROUGH TUESDAY/...
AT 2 PM EDT SATURDAY...AN UPPER LEVEL TROUGH WILL RESIDE ALONG THE
EASTERN SEABOARD FORM SUNDAY NIGHT THROUGH TUESDAY...WITH A WELL
DEFINED SHORTWAVE MOVING THROUGH ITS BASE ON MONDAY. A COLD FRONT TO
OUR EAST WILL SLOWLY DEPART SUNDAY NIGHT...WHILE NW FLOW UPSLOPE
SHOWERS PERSIST IN THE NC MOUNTAINS BORDERING TN. THESE SHOWERS WILL
ABATE ON MONDAY AS DRY HIGH PRESSURE BUILDS EAST ACROSS THE
APPALACHIANS. TEMPERATURES WILL RUN ONE CATEGORY OR SO BELOW NORMAL.

&&

.LONG TERM /TUESDAY NIGHT THROUGH SATURDAY/...
AT 2 PM EDT SATURDAY...A MEAN UPPER TROUGH WILL REMAIN ALONG THE
EAST COAST FORM TUESDAY NIGHT THROUGH SATURDAY. SOME WEAKENING OF
THE TROUGH IS EXPECTED WEDNESDAY AS SHORTWAVE RIDING MOVES THROUGH
BEHIND A DEPARTING SYSTEM...BUT MAJOR REAMPLIFICATION WILL TAKE
PLACE LATE IN THE WEEK AN UPPER LOW REACHES EASTERN CANADA...AND
SHORTWAVES DIVE SOUTHEAST INTO THE APPALACHIANS. RELATIVELY COOL
HIGH PRESSURE WILL REMAIN OVER THE CAROLINAS AND GA FORM WEDNESDAY
INTO FRIDAY. THIS AIR MASS WILL START OUT ABNORMALLY DRY FOR THIS
TIME OF YEAR...BUT WILL GRADUALLY MODIFY AS LOW LEVEL FLOW VEERS
FROM NE TO SE...AND MOISTURE IS LIFTED UPSLOPE FROM THE ATLANTIC. A
SLOW MOVING AND WEAKENING COLD FRONT APPROACHES FROM THE NW LATE
FRIDAY...AND FORECAST CONFIDENCE DECREASES AS THE FATE OF THIS
BOUNDARY IS UNCLEAR. POPS WILL START OUT QUITE LOW...INCREASING IN
STEP WITH MOISTURE LATE IN THE WEEK...ESPECIALLY ALONG THE UPSLOPE
FLOW FAVORED BLUE RIDGE. TEMPERATURES WILL RUN SLIGHTLY BELOW NORMAL
UNDER THE UPPER TROUGH.

&&

.AVIATION /21Z SATURDAY THROUGH THURSDAY/...
AT KCLT...THUNDERSTORM OUTFLOWS SHOULD PRODUCE TSRA AT KCLT BETWEEN
21Z AND 23Z THIS EVENING...WITH G25KT LIKELY DURING THE PASSAGE.
CIGS SHOULD FALL TO MVFR DURING THE TSRA...BUT WITH VFR CLOUDS
LIKELY INTO THE EARLY MORNING HOURS...FOLLOWED BY MVFR AGAIN AFTER
08Z AS UPPER FORCING IMPROVES. SHRA AND TSRA COVERAGE SHOULD THEN
INCREASE THROUGH SUNDAY AS UPPER SUPPORT INCREASES ALONG WITH THE
ARRIVAL OF A SFC COLD FRONT. SE WINDS EARLY IN THE PERIOD WILL
BECOME WESTERLY LATE IN THE PERIOD.

ELSEWHERE...THE INITIAL BAND OF OUTFLOW DRIVEN THUNDERSTORMS WILL
LKELY MOVE EAST OF A KAND TO KGSP TO KHKY LINE BY MID EVENING...BUT
ADDITIONAL THUNDERSTORMS ARE EXPECTED TO FILL IN TO THE WEST LATE
THIS EVENING OVERNIGHT AS UPPER SUPPORT IMPROVES AND A COLD FRONT
ARRIVES FROM THE NW. THE PRECIPITATION AND LOW LEVEL MOISTURE WILL
YIELD IFR TO MVFR CONDITIONS THROUGHOUT OVERNIGHT. PRECIPITATION
CHANCES WILL SLOWLY END FROM SW TO NE THROUGH SUNDAY AFTN...ALONG
WITH RESTRICTIONS. WESTERLY WINDS SHOULD DEVELOP BY LATE MORNING AND
INCREASE THROUGH LATE DAY.

OUTLOOK...TSTM CHANCES DIMINISH SUNDAY NIGHT AS THE COLD FRONT MOVES
EAST. EXPECT DRIER WEATHER MON-WED...INCREASING CHC CONVECTION THU
AS ANOTHER SYSTEM APPROACHES FROM THE W.

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...HG/RWH
SHORT TERM...JAT
LONG TERM...JAT
AVIATION...HG/RWH
Hazardous weather outlook, Aug 13, 3:30 PM EDT, 2 hours 10 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
330 PM EDT SAT AUG 13 2011

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-141930-
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-
330 PM EDT SAT AUG 13 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.

NUMEROUS THUNDERSTORMS WILL DEVELOP ACROSS THE WESTERN CAROLINAS
AND NORTHEAST GEORGIA LATE THIS AFTERNOON THROUGH THIS EVENING.
SEVERAL THUNDERSTORMS WILL BE CAPABLE OF PRODUCING DAMAGING WIND
GUSTS IN EXCESS OF 60 MPH...AND POSSIBLY HAIL AS LARGE AS
QUARTERS. IN ADDITION...FREQUENT CLOUD TO GROUND LIGHTNING AND VERY HEAVY
RAINFALL WILL ACCOMPANY ANY THUNDERSTORM. FLASH FLOODING WILL BE
POSSIBLE IN AREAS THAT SEE MULTIPLE THUNDERSTORMS OVER A SHORT
PERIOD OF TIME.

AS A COLD FRONT APPROACHES THE REGION FROM THE NORTHWEST
TONIGHT...COVERAGE OF THE SHOWERS AND THUNDERSTORMS MAY INCREASE
THROUGH THE OVERNIGHT HOURS. THERE WILL BE A CONTINUED CHANCE FOR
ISOLATED SEVERE WEATHER AND FLASH FLOODING.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

THE COLD FRONT WILL MOVE ACROSS THE AREA ON SUNDAY...WITH COVERAGE
OF THUNDERSTORMS EXPECTED TO REMAIN FAIRLY HIGH. ISOLATED SEVERE
WEATHER WILL REMAIN POSSIBLE ACROSS THE AREA DURING THE MORNING.
A MORE ORGANIZED THREAT FOR SEVERE WEATHER MAY EXIST ALONG THE
I-77 CORRIDOR SUNDAY AFTERNOON.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTERS ARE REQUESTED TO FORWARD ANY REPORTS OF LARGE
HAIL...DAMAGING WINDS...TORNADOES OR FLASH FLOODING TO OUR OFFICE.

HG

In the hours before

Special weather statement, Aug 13, 4:42 PM EDT, 58 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
442 PM EDT SAT AUG 13 2011

NCZ036-056-069>071-132130-
CATAWBA-GASTON-IREDELL-LINCOLN-MECKLENBURG-
442 PM EDT SAT AUG 13 2011

...A STRONG THUNDERSTORM WILL AFFECT EASTERN LINCOLN...NORTHEASTERN
GASTON...NORTHERN MECKLENBURG...SOUTHEASTERN CATAWBA AND SOUTHERN
IREDELL COUNTIES THROUGH 530 PM EDT...

AT 441 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 3 MILES NORTHEAST OF BOGER CITY...OR 5 MILES
NORTHEAST OF LINCOLNTON...MOVING SOUTHEAST AT 25 MPH.

THIS STORM WILL BE NEAR...
  IRON STATION...
  DENVER...
  LAKE NORMAN...
  LOWESVILLE...
  MOUNTAIN ISLAND LAKE...
  DAVIDSON...

WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THIS STORM.

LAT...LON 3553 8077 3535 8091 3529 8110 3546 8129
      3562 8120

ARK
Special weather statement, Aug 13, 4:53 PM EDT, 47 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
453 PM EDT SAT AUG 13 2011

SCZ013-014-132145-
CHESTER-UNION-
453 PM EDT SAT AUG 13 2011

...A STRONG THUNDERSTORM WILL AFFECT SOUTHERN UNION AND WESTERN
CHESTER COUNTIES THROUGH 545 PM EDT...

AT 449 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 3 MILES EAST OF SEDALIA...OR 9 MILES SOUTH OF
UNION...MOVING EAST AT 10 MPH.

THIS STORM WILL BE NEAR...
  SANTUC...
  CARLISLE...

SMALL HAIL...AND WIND GUSTS OF 40 TO 50 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 3448 8158 3456 8168 3455 8173 3457 8177
      3471 8174 3468 8133 3456 8135 3456 8142
      3450 8141 3449 8144 3449 8148 3447 8151

07
Special weather statement, Aug 13, 5:13 PM EDT, 27 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
513 PM EDT SAT AUG 13 2011

NCZ068>070-508-132200-
CLEVELAND-GASTON-GREATER RUTHERFORD-LINCOLN-
513 PM EDT SAT AUG 13 2011

...A STRONG THUNDERSTORM WILL AFFECT CLEVELAND...EASTERN
RUTHERFORD...WESTERN GASTON AND WESTERN LINCOLN COUNTIES THROUGH 600
PM EDT...

AT 510 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR POLKVILLE...OR 10 MILES NORTH OF SHELBY...
MOVING SOUTHEAST AT 15 MPH.

THIS STORM WILL BE NEAR...
  LAWNDALE...
  BOILING SPRINGS NC...
  SHELBY...
  CHERRYVILLE...
  KINGS MOUNTAIN...

WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THIS STORM.

LAT...LON 3553 8126 3517 8132 3518 8176 3538 8174
      3555 8167

ARK
Special weather statement, Aug 13, 5:21 PM EDT, 19 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
521 PM EDT SAT AUG 13 2011

SCZ007>009-013-132200-
CHEROKEE-SPARTANBURG-UNION-YORK-
521 PM EDT SAT AUG 13 2011

...STRONG THUNDERSTORMS WILL AFFECT CHEROKEE...NORTHERN
SPARTANBURG...NORTHERN UNION AND NORTHWESTERN YORK COUNTIES THROUGH
600 PM EDT...

AT 518 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 4 MILES SOUTH OF
CLIFFSIDE TO REIDVILLE...MOVING EAST AT 25 MPH.

THESE STORMS WILL BE NEAR...
  SPARTANBURG...
  COWPENS...
  THICKETTY...
  PACOLET...

VERY HEAVY RAINFALL...SMALL HAIL...AND WIND GUSTS OF 30 TO 40 MPH
ARE EXPECTED WITH THESE STORMS.

FREQUENT LIGHTNING IS OCCURRING WITH THESE STORMS. 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 3484 8164 3484 8217 3518 8182 3516 8125

07
Special weather statement, Aug 13, 5:30 PM EDT, 10 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
530 PM EDT SAT AUG 13 2011

NCZ069>072-132215-
CABARRUS-GASTON-LINCOLN-MECKLENBURG-
530 PM EDT SAT AUG 13 2011

...STRONG THUNDERSTORMS WILL AFFECT GASTON...NORTHERN MECKLENBURG...
NORTHWESTERN CABARRUS AND SOUTHEASTERN LINCOLN COUNTIES THROUGH 615
PM EDT...

AT 527 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 3 MILES NORTH OF
DAVIDSON TO MOUNT HOLLY TO 3 MILES SOUTHEAST OF WACO...MOVING
SOUTHEAST AT 20 MPH.

THESE STORMS WILL BE NEAR...
  DAVIDSON...
  MOUNTAIN ISLAND LAKE...
  HUNTERSVILLE...
  PAW CREEK...
  LOWELL...
  GASTONIA...

HEAVY RAIN OF HALF AN INCH TO ONE INCH...AND WIND GUSTS OF 30 TO 40
MPH ARE EXPECTED WITH THESE STORMS.

LAT...LON 3549 8039 3516 8070 3516 8131 3520 8133
      3526 8132 3529 8136 3533 8136 3538 8114
      3551 8097 3549 8095 3552 8090

ARK
Special weather statement, Aug 13, 5:36 PM EDT, 4 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
536 PM EDT SAT AUG 13 2011

GAZ029-SCZ011-132215-
ABBEVILLE-ELBERT-
536 PM EDT SAT AUG 13 2011

...A STRONG THUNDERSTORM WILL AFFECT EASTERN ELBERT AND SOUTHERN
ABBEVILLE COUNTIES THROUGH 615 PM EDT...

AT 531 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR LAKE RUSSELL...OR 8 MILES NORTHEAST OF
ELBERTON...MOVING EAST AT 10 MPH.

THIS STORM WILL BE NEAR...
  LOWNDESVILLE...
  CALHOUN FALLS...

SMALL HAIL...AND WIND GUSTS OF 40 TO 50 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 3409 8285 3426 8279 3427 8275 3421 8274
      3427 8264 3428 8233 3405 8242 3406 8246
      3407 8248 3407 8253 3401 8259 3396 8256
      3395 8258

07

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 12, 8:11 PM EDTSevere Thunderstorm WarningGSPAnderson64 min
Aug 12, 8:38 PM EDTSevere Thunderstorm WarningGSPAnderson, Oconee67 min
Aug 12, 9:09 PM EDTSevere Thunderstorm WarningGSPAnderson66 min
Aug 13, 2:25 PM EDTSevere Thunderstorm WarningGSPOconee65 min
Aug 13, 2:35 PM EDTSevere Thunderstorm WarningGSPGreenville55 min
Aug 13, 3:04 PM EDTSpecial Weather StatementGSPPickens41 min
Aug 13, 3:23 PM EDTSevere Thunderstorm WarningGSPGreenville67 min
Aug 13, 4:14 PM EDTSpecial Weather StatementGSPGreenville46 min
Aug 13, 4:16 PM EDTSpecial Weather StatementGSPAnderson44 min
Aug 13, 4:45 PM EDTSevere Thunderstorm WarningGSPLaurens60 min
Aug 13, 4:53 PM EDTSpecial Weather StatementGSPUnion52 min
Aug 13, 4:59 PM EDTSevere Thunderstorm WarningGSPChester, Union61 min
Aug 13, 5:11 PM EDTSevere Thunderstorm WarningGSPAbbeville, Greenwood, Laurens64 min
Aug 13, 5:21 PM EDTSpecial Weather StatementGSPCherokee, Spartanburg39 min
Aug 13, 5:36 PM EDTSpecial Weather StatementGSPAbbeville39 min
Aug 13, 5:46 PM EDTSpecial Weather StatementGSPUnion44 min
Aug 13, 5:47 PM EDTSevere Thunderstorm WarningGSPCherokee, York58 min
Aug 13, 6:09 PM EDTSevere Thunderstorm WarningGSPCherokee, Chester, Union, York66 min
Aug 13, 6:18 PM EDTSevere Thunderstorm WarningGSPYork57 min
Aug 13, 7:22 PM EDTSevere Thunderstorm WarningGSPYork32 min
Aug 13, 7:25 PM EDTSpecial Weather StatementGSPChester50 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.