Alert archive / South Carolina / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 70, NWS Columbia, SC

May 14, 2012Bamberg County, Orangeburg County, South Carolina

NWS Columbia, SC issued this severe thunderstorm warning at May 14, 2012, 6:01 PM EDT for Bamberg County, Orangeburg County, South Carolina. It was in force for 59 min. 3 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
May 14, 2012, 6:01 PM EDT (22:01 UTC)
Expired
May 14, 2012, 7:00 PM EDT
In force
59 min
Issued by
NWS Columbia, SC
Area
Storm-based polygon

Counties Bamberg County, SC, Orangeburg County, SC

The radar

The Columbia radar (KCAE), 71 km from the middle of the area, began a volume at 22:05 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
May 14, 6:06 PM EDTHAIL 14 Nnw Cope, SCQUARTER SIZE HAIL 4 MILES NW OF COPE.
May 14, 6:45 PM EDTHAIL 1Bamberg, SCQUARTER SIZE HAIL ON THE NORTH EDGE OF THE CITY OF BAMBERG.
May 14, 7:00 PM EDTHAIL 13 Ese Rowesville, SCQUARTER SIZE HAIL EAST OF ROWESVILLE.

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

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 10.0 hours before the alert went out and 94 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 2012-05-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 518 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Charleston AFB, SC at 12:00Z on 2012-05-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 96 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
518 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
722 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
96 m²/s²
0-3 km storm-relative helicity
143 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.0

Open this sounding in Storm Lab

The text

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

135 
WUUS52 KCAE 142201
SVRCAE
SCC009-075-142300-
/O.NEW.KCAE.SV.W.0070.120514T2201Z-120514T2300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
601 PM EDT MON MAY 14 2012

THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A

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

* UNTIL 700 PM EDT

* AT 555 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 NEAR
  BAMBERG...AND MOVING EAST AT 25 MPH.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM HAS A HISTORY OF PRODUCING DESTRUCTIVE WINDS AND LARGE
DAMAGING HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY
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 3348 8068 3324 8069 3318 8080 3326 8114
      3343 8114
TIME...MOT...LOC 2201Z 273DEG 22KT 3334 8102

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 14, 2:12 PM EDTSpecial Weather StatementCAEOrangeburg48 min
May 14, 2:25 PM EDTTornado WarningCAECalhoun, Clarendon, Orangeburg35 min
May 14, 3:33 PM EDTSpecial Weather StatementCAEClarendon27 min
May 14, 3:37 PM EDTSpecial Weather StatementCAEAiken53 min
May 14, 4:41 PM EDTSevere Thunderstorm WarningCAEAiken, Barnwell49 min
May 14, 4:46 PM EDTSevere Thunderstorm WarningCAECalhoun, Orangeburg44 min
May 14, 5:25 PM EDTSpecial Weather StatementCAELancaster35 min
May 14, 5:26 PM EDTSevere Thunderstorm WarningCAEBamberg, Barnwell, Orangeburg34 min
May 14, 5:29 PM EDTSevere Thunderstorm WarningCAECalhoun, Orangeburg46 min
May 14, 5:50 PM EDTTornado WarningCAEOrangeburg26 min
May 14, 6:14 PM EDTSevere Thunderstorm WarningCAEBamberg, Barnwell46 min
May 14, 6:30 PM EDTSpecial Weather StatementCAEChesterfield45 min
May 14, 6:58 PM EDTSevere Thunderstorm WarningCAECalhoun, Orangeburg47 min
May 14, 7:03 PM EDTSevere Thunderstorm WarningCAEBamberg, Barnwell, Orangeburg42 min
May 14, 7:22 PM EDTSevere Thunderstorm WarningCAEFairfield23 min
May 14, 7:38 PM EDTSevere Thunderstorm WarningCAEChesterfield, Lancaster52 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; radar from the NEXRAD Level II archive.