Alert archive / South Carolina / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 76, NWS Greenville-Spartanburg, SC

April 3, 2012Anderson County, Oconee County, South Carolina; Elbert County, Hart County, Georgia

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Apr 3, 2012, 5:29 PM EDT for Anderson County, Oconee County, South Carolina; Elbert County, Hart County, Georgia. It was in force for 46 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
Apr 3, 2012, 5:29 PM EDT (21:29 UTC)
Expired
Apr 3, 2012, 6:15 PM EDT
In force
46 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

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

The radar

The Greer radar (KGSP), 93 km from the middle of the area, began a volume at 21:29 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.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 9.5 hours before the alert went out and 177 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 2012-04-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 857 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 2012-04-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -29 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
857 J/kg
Mixed-layer CIN
-68 J/kg
Mixed-layer LCL
920 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
-29 m²/s²
0-3 km storm-relative helicity
5 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.

319 
WUUS52 KGSP 032129
SVRGSP
GAC105-147-SCC007-073-032230-
/O.NEW.KGSP.SV.W.0076.120403T2129Z-120403T2230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
529 PM EDT TUE APR 3 2012

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ELBERT COUNTY IN NORTHEAST GEORGIA...
  HART COUNTY IN NORTHEAST GEORGIA...
  SOUTHERN ANDERSON COUNTY IN UPSTATE SOUTH CAROLINA...
  SOUTHEASTERN OCONEE COUNTY IN UPSTATE SOUTH CAROLINA...

* UNTIL 630 PM EDT

* AT 526 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
  HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE
  LOCATED ALONG A LINE EXTENDING FROM LAKE HARTWELL TO 7 MILES
  NORTHEAST OF ILA...AND MOVING EAST AT 20 MPH.

* SEVERE THUNDERSTORMS WILL IMPACT LOCATIONS NEAR...
  FAIR PLAY.
  VANNA.
  REED CREEK.
  HARTWELL AND BOWMAN.
  NUBERG.
  ELBERTON...RUCKERSVILLE...ANDERSON AND BROADWAY LAKE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3411 8304 3417 8311 3423 8308 3426 8313
      3428 8310 3441 8310 3450 8305 3458 8314
      3468 8308 3450 8248 3428 8262 3421 8274
      3414 8271 3403 8278
TIME...MOT...LOC 2129Z 289DEG 18KT 3456 8302 3425 8321

$$

ARK
2 follow-up statements
390 
WWUS52 KGSP 032153
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
553 PM EDT TUE APR 3 2012

SCC073-032203-
/O.CAN.KGSP.SV.W.0076.000000T0000Z-120403T2230Z/
OCONEE SC-
553 PM EDT TUE APR 3 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN OCONEE COUNTY IS
CANCELLED...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS MOVED OUT OF THIS 
AREA.

LAT...LON 3411 8304 3417 8311 3423 8308 3426 8312
      3428 8310 3440 8310 3450 8305 3447 8299
      3461 8285 3450 8248 3429 8262 3421 8274
      3414 8271 3403 8278
TIME...MOT...LOC 2153Z 288DEG 18KT 3452 8289 3421 8308

$$

GAC105-147-SCC007-032230-
/O.CON.KGSP.SV.W.0076.000000T0000Z-120403T2230Z/
ELBERT GA-HART GA-ANDERSON SC-
553 PM EDT TUE APR 3 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN
ANDERSON...HART AND ELBERT COUNTIES UNTIL 630 PM EDT...

AT 551 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM 5 MILES EAST OF FAIR PLAY TO
VANNA...MOVING EAST AT 20 MPH.

SEVERE THUNDERSTORMS WILL IMPACT LOCATIONS NEAR...
  HARTWELL AND BOWMAN.
  NUBERG.
  RUCKERSVILLE...ELBERTON...ANDERSON AND BROADWAY LAKE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3411 8304 3417 8311 3423 8308 3426 8312
      3428 8310 3440 8310 3450 8305 3447 8299
      3461 8285 3450 8248 3429 8262 3421 8274
      3414 8271 3403 8278
TIME...MOT...LOC 2153Z 288DEG 18KT 3452 8289 3421 8308

$$

ARK
175 
WWUS52 KGSP 032215
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
615 PM EDT TUE APR 3 2012

GAC105-147-SCC007-032226-
/O.CAN.KGSP.SV.W.0076.000000T0000Z-120403T2230Z/
ELBERT GA-HART GA-ANDERSON SC-
615 PM EDT TUE APR 3 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN ANDERSON...HART AND
ELBERT COUNTIES IS CANCELLED...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS WEAKENED BELOW
SEVERE LEVELS.  HOWEVER SMALL HAIL...GUSTY WINDS AND HEAVY RAIN ARE
STILL POSSIBLE WITH THESE THUNDERSTORMS.

LAT...LON 3411 8304 3417 8311 3423 8308 3426 8312
      3428 8310 3440 8310 3450 8305 3447 8299
      3461 8285 3450 8248 3429 8262 3421 8274
      3414 8271 3403 8278
TIME...MOT...LOC 2216Z 288DEG 18KT 3448 8276 3417 8295

$$

ARK

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 2, 8:09 PM EDTSpecial Weather StatementGSPAbbeville51 min
Apr 2, 8:42 PM EDTSpecial Weather StatementGSPGreenwood48 min
Apr 2, 11:06 PM EDTSpecial Weather StatementGSPAbbeville39 min
Apr 3, 3:53 PM EDTSpecial Weather StatementGSPOconee52 min
Apr 3, 4:22 PM EDTSevere Thunderstorm WarningGSPOconee53 min
Apr 3, 4:44 PM EDTSevere Thunderstorm WarningGSPOconee61 min
Apr 3, 6:20 PM EDTSpecial Weather StatementGSPAnderson25 min
Apr 3, 6:31 PM EDTSevere Thunderstorm WarningGSPAnderson59 min
Apr 3, 7:10 PM EDTSpecial Weather StatementGSPLaurens50 min
Apr 3, 7:29 PM EDTSpecial Weather StatementGSPGreenwood46 min
Apr 3, 7:57 PM EDTSpecial Weather StatementGSPLaurens48 min
Apr 2, 9:01 PM EDTSpecial Weather StatementGSPElbert, Hart44 min
Apr 2, 10:10 PM EDTSpecial Weather StatementGSPElbert, Hart50 min
Apr 3, 1:56 PM EDTSevere Thunderstorm WarningGSPRabun64 min
Apr 3, 3:31 PM EDTSpecial Weather StatementGSPRabun44 min
Apr 3, 5:01 PM EDTSevere Thunderstorm WarningGSPFranklin59 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2012Severe Thunderstorm Warnings in Georgia, 2012Every severe thunderstorm warning in 2012

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.