Alert archive / South Carolina / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 331, NWS Greenville-Spartanburg, SC

June 10, 2011Anderson County, Oconee County, Pickens County, South Carolina; Hart County, Georgia

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jun 10, 2011, 6:38 PM EDT for Anderson County, Oconee County, Pickens County, South Carolina; Hart County, Georgia. It was in force for 67 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
Jun 10, 2011, 6:38 PM EDT (22:38 UTC)
Expired
Jun 10, 2011, 7:45 PM EDT
In force
67 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

Counties Hart County, GA, Anderson County, SC, Oconee County, SC, Pickens County, SC

The radar

The Greer radar (KGSP), 52 km from the middle of the area, began a volume at 22:39 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
Jun 10, 6:45 PM EDTHAIL 110 Ene Pendleton, SCQUARTER SIZED HAIL FELL ON HIGHWAY 88 BETWEEN PENDLETON AND PIEDMONT.
Jun 10, 7:22 PM EDTTSTM WND DMGWalhalla, SCTREES DOWN AROUND WALHALLA.

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

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 10.6 hours before the alert went out and 217 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 2011-06-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 492 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°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 2011-06-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -1 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
492 J/kg
Mixed-layer CIN
-164 J/kg
Mixed-layer LCL
1277 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
-1 m²/s²
0-3 km storm-relative helicity
61 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.

732 
WUUS52 KGSP 102238
SVRGSP
GAC147-SCC007-073-077-102345-
/O.NEW.KGSP.SV.W.0331.110610T2238Z-110610T2345Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
638 PM EDT FRI JUN 10 2011

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTH CENTRAL HART COUNTY IN NORTHEAST GEORGIA...
  NORTHERN ANDERSON COUNTY IN UPSTATE SOUTH CAROLINA...
  SOUTHEASTERN OCONEE COUNTY IN UPSTATE SOUTH CAROLINA...
  SOUTHERN PICKENS COUNTY IN UPSTATE SOUTH CAROLINA...

* UNTIL 745 PM EDT

* AT 635 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
  NORTHEAST OF FAIR PLAY...OR 13 MILES SOUTHWEST OF CLEMSON...MOVING
  NORTH AT 10 MPH.

* LOCATIONS IMPACTED INCLUDE...
  TOWNVILLE AND SANDY SPRINGS...
  OAKWAY AND PENDLETON...
  CLEMSON...
  SENECA...WESTMINSTER AND WALHALLA...

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 3445 8308 3450 8305 3454 8311 3474 8318
      3494 8253 3488 8249 3483 8249 3476 8245
      3475 8246 3468 8245 3467 8247 3458 8242
      3456 8242 3441 8306
TIME...MOT...LOC 2238Z 167DEG 8KT 3454 8295

$$

RWH
3 follow-up statements
713 
WWUS52 KGSP 102303
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
703 PM EDT FRI JUN 10 2011

GAC147-SCC007-073-077-102345-
/O.CON.KGSP.SV.W.0331.000000T0000Z-110610T2345Z/
HART GA-ANDERSON SC-OCONEE SC-PICKENS SC-
703 PM EDT FRI JUN 10 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM EDT
FOR SOUTHERN PICKENS...SOUTHEASTERN OCONEE...NORTHERN ANDERSON AND
NORTH CENTRAL HART COUNTIES...

AT 700 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 SOUTHEAST OF TOWNVILLE...OR 10 MILES SOUTH OF
CLEMSON...MOVING EAST AT 10 MPH.

* LOCATIONS IMPACTED INCLUDE...
  SIX MILE...
  PENDLETON AND CENTRAL...
  SANDY SPRINGS AND NORRIS...
  ANDERSON...

LAT...LON 3445 8308 3450 8305 3454 8311 3474 8318
      3494 8253 3488 8249 3483 8249 3476 8245
      3475 8246 3468 8245 3467 8247 3458 8242
      3456 8242 3441 8306
TIME...MOT...LOC 2303Z 270DEG 9KT 3454 8284

$$

RWH
698 
WWUS52 KGSP 102324
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
724 PM EDT FRI JUN 10 2011

GAC147-SCC073-077-102334-
/O.CAN.KGSP.SV.W.0331.000000T0000Z-110610T2345Z/
HART GA-OCONEE SC-PICKENS SC-
724 PM EDT FRI JUN 10 2011

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN PICKENS...
SOUTHEASTERN OCONEE AND NORTH CENTRAL HART COUNTIES IS CANCELLED...

THE STORMS HAVE MOVED EAST OF THESE COUNTIES.

LAT...LON 3449 8290 3448 8299 3467 8279 3482 8248
      3476 8245 3473 8246 3468 8245 3467 8247
      3458 8242 3456 8242 3446 8287
TIME...MOT...LOC 2324Z 280DEG 8KT 3458 8272

$$

SCC007-102345-
/O.CON.KGSP.SV.W.0331.000000T0000Z-110610T2345Z/
ANDERSON SC-
724 PM EDT FRI JUN 10 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM EDT
FOR NORTHERN ANDERSON COUNTY...

AT 721 PM EDT...A SEVERE THUNDERSTORM WAS REPORTED CAPABLE OF
PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.
 THIS STORM WAS LOCATED NEAR SANDY SPRINGS...OR 6 MILES NORTHWEST OF
ANDERSON...MOVING EAST AT 10 MPH.

* LOCATIONS IMPACTED INCLUDE...
  ANDERSON...

LAT...LON 3449 8290 3448 8299 3467 8279 3482 8248
      3476 8245 3473 8246 3468 8245 3467 8247
      3458 8242 3456 8242 3446 8287
TIME...MOT...LOC 2324Z 280DEG 8KT 3458 8272

$$

RWH
198 
WWUS52 KGSP 102344
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
744 PM EDT FRI JUN 10 2011

SCC007-102354-
/O.EXP.KGSP.SV.W.0331.000000T0000Z-110610T2345Z/
ANDERSON SC-
744 PM EDT FRI JUN 10 2011

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN ANDERSON COUNTY WILL
EXPIRE AT 745 PM EDT...

THE STORMS HAVE MOVED EAST OF THE COUNTY.

LAT...LON 3449 8290 3448 8299 3467 8279 3482 8248
      3476 8245 3473 8246 3468 8245 3467 8247
      3458 8242 3456 8242 3446 8287
TIME...MOT...LOC 2344Z 280DEG 8KT 3457 8267

$$

RWH

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 9, 8:47 PM EDTSevere Thunderstorm WarningGSPAbbeville, Greenwood, Laurens58 min
Jun 10, 5:21 PM EDTSevere Thunderstorm WarningGSPOconee54 min
Jun 10, 5:38 PM EDTSevere Thunderstorm WarningGSPGreenville, Pickens67 min
Jun 10, 5:45 PM EDTSevere Thunderstorm WarningGSPAnderson60 min
Jun 10, 6:45 PM EDTSevere Thunderstorm WarningGSPGreenville, Spartanburg60 min
Jun 10, 4:16 PM EDTSevere Thunderstorm WarningGSPRabun43 min
Jun 10, 5:29 PM EDTSevere Thunderstorm WarningGSPFranklin, Stephens61 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2011Severe Thunderstorm Warnings in Georgia, 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.