Alert archive / South Carolina / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 607, NWS Greenville-Spartanburg, SC

August 13, 2011Chester County, Union County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Aug 13, 2011, 4:59 PM EDT for Chester County, Union County, South Carolina. It was in force for 61 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 13, 2011, 4:59 PM EDT (20:59 UTC)
Expired
Aug 13, 2011, 6:00 PM EDT
In force
61 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

Counties Chester County, SC, Union County, SC

The radar

The Greer radar (KGSP), 73 km from the middle of the area, began a volume at 21:02 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.

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

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, 9.0 hours before the alert went out and 226 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.

621 
WUUS52 KGSP 132059
SVRGSP
SCC023-087-132200-
/O.NEW.KGSP.SV.W.0607.110813T2059Z-110813T2200Z/

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

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHWESTERN CHESTER COUNTY IN UPSTATE SOUTH CAROLINA...
  SOUTHERN UNION COUNTY IN UPSTATE SOUTH CAROLINA...

* UNTIL 600 PM EDT

* AT 451 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
  EAST OF SEDALIA...OR 9 MILES SOUTH OF UNION...MOVING EAST AT 10
  MPH.

* LOCATIONS IMPACTED INCLUDE...
  SANTUC...
  CARLISLE AND LEEDS...

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 3446 8156 3456 8168 3455 8173 3457 8177
      3471 8174 3467 8128 3456 8131 3456 8141
      3456 8142 3450 8141 3448 8149 3445 8152
TIME...MOT...LOC 2059Z 283DEG 9KT 3460 8165

$$
07
2 follow-up statements
758 
WWUS52 KGSP 132125
SVSGSP

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

SCC023-087-132200-
/O.CON.KGSP.SV.W.0607.000000T0000Z-110813T2200Z/
CHESTER SC-UNION SC-
525 PM EDT SAT AUG 13 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT
FOR SOUTHEASTERN UNION AND WEST CENTRAL CHESTER COUNTIES IN UPSTATE
SOUTH CAROLINA...

AT 518 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 NEAR SANTUC...OR 7 MILES SOUTHEAST OF UNION...MOVING EAST AT
10 MPH.

* LOCATIONS IMPACTED INCLUDE...
  CARLISLE...
  LEEDS...

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 3446 8156 3454 8164 3470 8161 3467 8128
      3456 8131 3456 8142 3450 8141 3448 8149
      3445 8152
TIME...MOT...LOC 2125Z 283DEG 9KT 3464 8151

$$

07
069 
WWUS52 KGSP 132156
SVSGSP

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

SCC023-087-132206-
/O.EXP.KGSP.SV.W.0607.000000T0000Z-110813T2200Z/
CHESTER SC-UNION SC-
556 PM EDT SAT AUG 13 2011

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN UNION AND WEST
CENTRAL CHESTER COUNTIES IN UPSTATE SOUTH CAROLINA WILL EXPIRE AT 600
PM EDT...

THE THUNDERSTORM WEAKENED BELOW SEVERE LIMITS.

LAT...LON 3446 8156 3454 8164 3470 8161 3467 8128
      3456 8131 3456 8142 3450 8141 3448 8149
      3445 8152
TIME...MOT...LOC 2156Z 283DEG 9KT 3462 8142

$$

07

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, 2:44 PM EDT, 2 hours 15 minutes earlier.

Area forecast discussion, Aug 13, 2:44 PM EDT, 2 hours 15 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
244 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/...
CONVECTION HAS FORMED OVER THE MTNS AND ALONG A WEAK BOUNDARY JUST
SOUTH OF THE CWFA. EXPECT SCT STORMS TO MOVE OFF THE MTNS AND ACROSS
THE CWFA THRU THE AFTERNOON. EFFECTIVE SHEAR IS NOT AS STRONG TODAY
BUT MODERATE INSTABILITY AND DCAPE SHOULD HELP A FEW OF THE STORMS
TO PRODUCE SEVERE DOWNBURST WINDS. ISOLATED FLOODING CANNOT BE RULED
OUT GIVEN HIGH PW VALUES. NUMEROUS SHOWERS AND SCT STORMS ARE
EXPECTED TO MOVE IN THIS EVENING AND OVERNIGHT AS AN UPPER TROF
BRINGS FORCING AND UPPER DIVERGENCE INTO THE AREA. SEVERE CHANCE NOT
VERY HIGH OVERNIGHT...BUT FLOOD THREAT COULD BE GREATER GIVEN THE
CONTINUED HIGH PW VALUES AND BETTER SYNOPTIC FORCING. LOWS ABOVE
NORMAL.

SUNDAY...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 /19Z SATURDAY THROUGH THURSDAY/...
AT KCLT AND ELSEWHERE...CLOUD BASES ARE GENERALLY LOW VFR AND SHOULD
REMAIN THAT WAY UNLESS A CONVECTIVE CELL MOVES OVER THE AIRFIELD.
HAVE LOW VFR CIGS AND CB NOW OR BY 20Z GIVEN CELL MOVEMENT. CELL
MOVEMENT WILL BE THE PRIME DETERMINANT FOR RESTRICTIONS THIS
AFTERNOON. EXPECT WIDESPREAD SHOWERS AND SCT STORMS OVERNIGHT AS A
FRONT MOVES INTO THE AREA AND MVFR TO IFR CONDS. PRECIP CHC ENDS
FROM SW TO NE THRU THE DAY SUN...AS DO RESTRICTIONS. STILL TOO EARLY
TO TELL WHAT AREAS WILL NEED CB. WINDS WILL BECOME SLY THROUGH THE
AFTERNOON THEN LIGHT OVERNIGHT. WLY WIND EXPECTED TO DEVELOP BY MID
MORNING SUNDAY.

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...RWH
SHORT TERM...JAT
LONG TERM...JAT
AVIATION...RWH
Hazardous weather outlook, Aug 13, 3:30 PM EDT, 1 hour 29 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, 4:04 PM EDT, 55 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
404 PM EDT SAT AUG 13 2011

NCZ035-036-056-069-132045-
ALEXANDER-CATAWBA-IREDELL-LINCOLN-
404 PM EDT SAT AUG 13 2011

...STRONG THUNDERSTORMS WILL AFFECT CATAWBA...LINCOLN...SOUTHERN
ALEXANDER AND SOUTHWESTERN IREDELL COUNTIES THROUGH 445 PM EDT...

AT 403 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM BETHLEHEM TO CONOVER
TO 3 MILES WEST OF NEWTON TO 3 MILES NORTH OF VALE...MOVING EAST AT
20 MPH.

THESE STORMS WILL BE NEAR...
  VALE...
  NEWTON...
  CLAREMONT...
  LOOKOUT SHOALS LAKE...
  MAIDEN...
  LINCOLNTON...

SMALL HAIL...AND WIND GUSTS OF 40 TO 50 MPH ARE EXPECTED WITH THESE
STORMS.

LAT...LON 3581 8084 3564 8081 3557 8085 3542 8108
      3553 8151 3555 8151 3556 8153 3562 8150
      3570 8138 3577 8133 3592 8134

ARK
Special weather statement, Aug 13, 4:14 PM EDT, 45 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
414 PM EDT SAT AUG 13 2011

SCZ003-006-007-132100-
GREATER GREENVILLE-GREENVILLE MOUNTAINS-SPARTANBURG-
414 PM EDT SAT AUG 13 2011

...STRONG THUNDERSTORMS WILL AFFECT NORTHERN GREENVILLE AND
NORTHWESTERN SPARTANBURG COUNTIES THROUGH 500 PM EDT...

AT 411 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM CAMPOBELLO TO 3
MILES NORTHEAST OF CLEVELAND...MOVING SOUTHEAST AT 15 MPH.

THESE STORMS WILL BE NEAR...
  TIGERVILLE...
  LAKE BOWEN...
  INMAN...
  LAKE ROBINSON...
  LYMAN...

WIND GUSTS OF 40 TO 50 MPH ARE EXPECTED WITH THESE STORMS.

LAT...LON 3506 8258 3507 8257 3508 8259 3513 8263
      3518 8246 3516 8245 3519 8242 3520 8238
      3518 8237 3520 8228 3519 8209 3496 8194
      3492 8249

ARK
Special weather statement, Aug 13, 4:16 PM EDT, 43 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
416 PM EDT SAT AUG 13 2011

GAZ028-SCZ004-010-132100-
ANDERSON-GREATER OCONEE-HART-
416 PM EDT SAT AUG 13 2011

...A STRONG THUNDERSTORM WILL AFFECT CENTRAL ANDERSON...NORTHERN HART
AND SOUTHEASTERN OCONEE COUNTIES THROUGH 500 PM EDT...

AT 411 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 4 MILES SOUTHEAST OF TOWNVILLE...OR 12 MILES
NORTH OF HARTWELL...MOVING EAST AT 10 MPH.

THIS STORM WILL BE NEAR...
  ANDERSON...

VERY HEAVY RAINFALL...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 3445 8299 3462 8293 3456 8254 3432 8263

07
Special weather statement, Aug 13, 4:31 PM EDT, 28 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
431 PM EDT SAT AUG 13 2011

NCZ068-504-506-508-132115-
CLEVELAND-EASTERN MCDOWELL-GREATER BURKE-GREATER RUTHERFORD-
431 PM EDT SAT AUG 13 2011

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN RUTHERFORD...
NORTHWESTERN CLEVELAND...SOUTHEASTERN MCDOWELL AND SOUTHERN BURKE
COUNTIES THROUGH 515 PM EDT...

AT 428 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 6 MILES SOUTHEAST OF DYSARTSVILLE...OR 15 MILES
NORTHEAST OF RUTHERFORDTON...MOVING EAST AT 10 MPH.

THIS STORM WILL BE NEAR...
  CASAR...

SMALL HAIL...AND WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED WITH THIS
STORM.

HEAVY RAINS MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND
UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED ROADS. WATER
LEVELS OF SMALL STREAMS AND RIVERS MAY ALSO RISE...THEREFORE SEEK
HIGHER GROUND IF THREATENED BY FLOOD WATERS.

LAT...LON 3567 8151 3558 8152 3557 8153 3556 8152
      3533 8154 3546 8192 3571 8200

ARK
Special weather statement, Aug 13, 4:42 PM EDT, 17 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, 6 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

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, 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, 5:40 PM EDTSevere Thunderstorm WarningGSPCherokee, York65 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.