Alert archive / South Carolina / Tornado Warnings in 2012

Tornado Warning 8, NWS Columbia, SC

May 14, 2012Orangeburg County, South Carolina

NWS Columbia, SC issued this tornado warning at May 14, 2012, 5:50 PM EDT for Orangeburg County, South Carolina. It was in force for 26 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
May 14, 2012, 5:50 PM EDT (21:50 UTC)
Expired
May 14, 2012, 6:16 PM EDT
In force
26 min
Issued by
NWS Columbia, SC
Area
Storm-based polygon

County Orangeburg County, SC

The radar

The Columbia radar (KCAE), 52 km from the middle of the area, began a volume at 21:51 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, 5:54 PM EDTHAIL 1.59 W Orangeburg, SCHAIL REPORT AND PICTURE SENT TO WIS-TV.

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, 9.8 hours before the alert went out and 109 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°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.

932 
WFUS52 KCAE 142150
TORCAE
SCC075-142230-
/O.NEW.KCAE.TO.W.0008.120514T2150Z-120514T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
550 PM EDT MON MAY 14 2012

THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL ORANGEBURG COUNTY IN CENTRAL SOUTH CAROLINA

* UNTIL 630 PM EDT

* AT 546 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 9 MILES WEST OF
  ORANGEBURG...MOVING EAST AT 15 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  ORANGEBURG

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW! IF YOU WAIT
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

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 3358 8085 3343 8083 3345 8102 3352 8103
TIME...MOT...LOC 2150Z 260DEG 12KT 3348 8100

$$
1 follow-up statement
953 
WWUS52 KCAE 142216
SVSCAE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA SC
616 PM EDT MON MAY 14 2012

SCC075-142226-
/O.CAN.KCAE.TO.W.0008.000000T0000Z-120514T2230Z/
ORANGEBURG SC-
616 PM EDT MON MAY 14 2012

...THE TORNADO WARNING FOR ORANGEBURG COUNTY IS CANCELLED...

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 3358 8085 3343 8083 3345 8102 3352 8103
TIME...MOT...LOC 2216Z 260DEG 12KT 3349 8090

$$

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, 6:01 PM EDTSevere Thunderstorm WarningCAEBamberg, Orangeburg59 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

Tornado Warnings in South Carolina, 2012Every tornado warning in 2012Tornadoes 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.