Alert archive / South Carolina / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 19, NWS Columbia, SC

March 3, 2012Bamberg County, Orangeburg County, South Carolina

NWS Columbia, SC issued this severe thunderstorm warning at Mar 3, 2012, 9:44 AM EST for Bamberg County, Orangeburg County, South Carolina. 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
Mar 3, 2012, 9:44 AM EST (14:44 UTC)
Expired
Mar 3, 2012, 10:30 AM EST
In force
46 min
Issued by
NWS Columbia, SC
Area
Storm-based polygon

Counties Bamberg County, SC, Orangeburg County, SC

The radar

The Charleston,SC radar (KCLX), 80 km from the middle of the area, began a volume at 14:46 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

Charleston AFB, SC (KCHS), launched 12:00Z, 2.7 hours before the alert went out and 73 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, Charleston AFB, SC at 12:00Z on 2012-03-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 279 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, Charleston AFB, SC at 12:00Z on 2012-03-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 205 square meters per square second.1939587897Sfc1 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
279 J/kg
Mixed-layer CIN
-77 J/kg
Mixed-layer LCL
685 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
205 m²/s²
0-3 km storm-relative helicity
181 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

538 
WUUS52 KCAE 031444
SVRCAE
SCC009-075-031530-
/O.NEW.KCAE.SV.W.0019.120303T1444Z-120303T1530Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
944 AM EST SAT MAR 3 2012

THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BAMBERG COUNTY IN CENTRAL SOUTH CAROLINA
  SOUTHEASTERN ORANGEBURG COUNTY IN CENTRAL SOUTH CAROLINA

* UNTIL 1030 AM EST

* AT 942 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
  EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
  FROM 10 MILES NORTH OF HOLLY HILL TO 11 MILES SOUTH OF BAMBERG...OR
  ALONG A LINE EXTENDING FROM 19 MILES SOUTHWEST OF MANNING TO 11
  MILES SOUTH OF BAMBERG...AND MOVING EAST AT 50 MPH.

* SOME COMMUNITIES IN THE WARNING AREA INCLUDE HOLLY HILL...
  BRANCHVILLE...BOWMAN AND BAMBERG

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE 
IMMEDIATELY FOR DAMAGING WINDS. PEOPLE OUTSIDE SHOULD MOVE TO A 
SHELTER...PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

REPORT LARGE HAIL...DAMAGING WINDS OR FLOODING TO YOUR COUNTY
SHERIFF...OR CALL THE NATIONAL WEATHER SERVICE...TOLL FREE 1 877 6 3
3...6 7 7 2.

&&

LAT...LON 3316 8123 3322 8121 3348 8067 3346 8062
      3350 8062 3348 8044 3343 8035 3345 8028
      3344 8022 3330 8025 3326 8030 3327 8035
      3325 8036 3325 8043 3328 8049 3333 8051
      3313 8087 3306 8090 3310 8094 3303 8109
TIME...MOT...LOC 1444Z 267DEG 43KT 3347 8039 3315 8096

$$
1 follow-up statement
334 
WWUS52 KCAE 031516
SVSCAE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA SC
1016 AM EST SAT MAR 3 2012

SCC009-075-031530-
/O.CON.KCAE.SV.W.0019.000000T0000Z-120303T1530Z/
BAMBERG SC-ORANGEBURG SC-
1016 AM EST SAT MAR 3 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 AM EST
FOR ORANGEBURG AND BAMBERG COUNTIES...

AT 1014 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 6 MILES EAST OF EUTAWVILLE TO 6 MILES EAST OF
EHRHARDT...OR ALONG A LINE EXTENDING FROM 18 MILES NORTHWEST OF
MONCKS CORNER TO 17 MILES SOUTHEAST OF BAMBERG...MOVING EAST AT 40
MPH.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE 
IMMEDIATELY FOR DAMAGING WINDS. PEOPLE OUTSIDE SHOULD MOVE TO A 
SHELTER...PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

REPORT LARGE HAIL...DAMAGING WINDS OR FLOODING TO YOUR COUNTY
SHERIFF...OR CALL THE NATIONAL WEATHER SERVICE TOLL FREE AT 1...8 7
7...6 3 3...6 7 7 2.

&&

LAT...LON 3312 8119 3346 8041 3343 8035 3345 8028
      3344 8027 3344 8022 3330 8025 3326 8030
      3327 8034 3325 8036 3325 8043 3328 8049
      3332 8050 3333 8052 3313 8087 3306 8090
      3310 8094 3303 8109
TIME...MOT...LOC 1515Z 268DEG 36KT 3337 8024 3308 8091

$$

The office that day

Everything else NWS Columbia, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 3, 4:03 AM ESTSevere Thunderstorm WarningCAEMcCormick61 min
Mar 3, 4:24 AM ESTSevere Thunderstorm WarningCAEEdgefield, Newberry, Saluda60 min
Mar 3, 4:52 AM ESTSevere Thunderstorm WarningCAEAiken, Fairfield, Lexington, Newberry, Richland83 min
Mar 3, 5:23 AM ESTSevere Thunderstorm WarningCAECalhoun, Fairfield, Kershaw, Lancaster, Lexington, Orangeburg and 2 more67 min
Mar 3, 5:32 AM ESTTornado WarningCAEKershaw, Richland13 min
Mar 3, 5:55 AM ESTSevere Thunderstorm WarningCAECalhoun, Chesterfield, Clarendon, Kershaw, Lee, Orangeburg and 1 more80 min
Mar 3, 7:17 AM ESTSpecial Weather StatementCAEBamberg, Barnwell, Calhoun, Clarendon, Orangeburg58 min
Mar 3, 8:16 AM ESTSevere Thunderstorm WarningCAEBarnwell44 min
Mar 3, 8:54 AM ESTSevere Thunderstorm WarningCAEBamberg, Barnwell, Orangeburg51 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.