Alert archive / South Carolina / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 9, NWS Greenville-Spartanburg, SC

March 2, 2012Chester County, Union County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Mar 2, 2012, 5:41 AM EST for Chester County, Union County, South Carolina. It was in force for 38 min. 1 report 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
Mar 2, 2012, 5:41 AM EST (10:41 UTC)
Expired
Mar 2, 2012, 6:19 AM EST
In force
38 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

Counties Chester County, SC, Union County, SC

What was reported inside it

TimeReportWhereRemark
Mar 2, 5:46 AM ESTHAIL 19 Se Union, SCQUARTER SIZED HAIL FELL ON SANTUC DRIVE JUST SOUTH OF SANTUCK. GUSTY WIND BUT NOTHING DAMAGED BY WIND.

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

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 10.7 hours before the alert went out and 209 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 00:00Z on 2012-03-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Greensboro/Hi Pt, NC at 00:00Z on 2012-03-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 77 square meters per square second.1939587897117Sfc1 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
4020 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
77 m²/s²
0-3 km storm-relative helicity
222 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.

539 
WUUS52 KGSP 021041
SVRGSP
SCC023-087-021145-
/O.NEW.KGSP.SV.W.0009.120302T1041Z-120302T1145Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
541 AM EST FRI MAR 2 2012

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

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

* UNTIL 645 AM EST

* AT 540 AM EST...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 NEAR
  SANTUC...OR 10 MILES SOUTHEAST OF UNION...MOVING EAST AT 35 MPH.

* LOCATIONS IMPACTED INCLUDE...
  CARLISLE...
  LEEDS...
  CHESTER AND CORNWELL...

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 3450 8157 3467 8164 3483 8115 3482 8110
      3462 8102 3456 8131 3456 8141 3453 8142
TIME...MOT...LOC 1041Z 252DEG 32KT 3462 8150

$$
RB
2 follow-up statements
704 
WWUS52 KGSP 021108
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
608 AM EST FRI MAR 2 2012

SCC087-021118-
/O.CAN.KGSP.SV.W.0009.000000T0000Z-120302T1145Z/
UNION SC-
608 AM EST FRI MAR 2 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN UNION COUNTY IN
UPSTATE SOUTH CAROLINA IS CANCELLED...

LAT...LON 3458 8128 3475 8133 3483 8116 3482 8110
      3462 8102 3462 8103
TIME...MOT...LOC 1108Z 073DEG 17KT 3468 8127

$$

SCC023-021145-
/O.CON.KGSP.SV.W.0009.000000T0000Z-120302T1145Z/
CHESTER SC-
608 AM EST FRI MAR 2 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 AM EST
FOR CENTRAL CHESTER COUNTY...

AT 605 AM EST...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 SOUTHWEST OF CHESTER...MOVING WEST AT 20 MPH.

THE SEVERE THUNDERSTORM WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS
OF THE INDICATED COUNTY.

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 3458 8128 3475 8133 3483 8116 3482 8110
      3462 8102 3462 8103
TIME...MOT...LOC 1108Z 073DEG 17KT 3468 8127

$$
RB
330 
WWUS52 KGSP 021119
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
619 AM EST FRI MAR 2 2012

SCC023-021129-
/O.CAN.KGSP.SV.W.0009.000000T0000Z-120302T1145Z/
CHESTER SC-
619 AM EST FRI MAR 2 2012

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL CHESTER COUNTY IS
CANCELLED...

THE STORM WEAKENED BELOW SEVERE LEVELS.

LAT...LON 3458 8128 3475 8133 3483 8116 3482 8110
      3462 8102 3462 8103
TIME...MOT...LOC 1119Z 073DEG 17KT 3466 8133

$$

RB

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 2, 3:40 AM ESTSpecial Weather StatementGSPAbbeville35 min
Mar 2, 4:54 AM ESTSpecial Weather StatementGSPLaurens36 min
Mar 2, 5:26 AM ESTSpecial Weather StatementGSPUnion34 min
Mar 2, 6:05 AM ESTSpecial Weather StatementGSPCherokee40 min
Mar 2, 6:43 AM ESTSpecial Weather StatementGSPCherokee32 min
Mar 2, 7:49 AM ESTSpecial Weather StatementGSPCherokee41 min
Mar 2, 8:52 AM ESTSpecial Weather StatementGSPCherokee38 min
Mar 2, 3:35 PM ESTTornado WarningGSPOconee40 min
Mar 2, 4:14 PM ESTTornado WarningGSPOconee, Pickens46 min
Mar 2, 4:25 PM ESTSpecial Weather StatementGSPOconee35 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.