Alert archive / North Carolina / Tornado Warnings in 2012

Tornado Warning 4, NWS Wilmington, NC

May 14, 2012Brunswick County, Columbus County, North Carolina; Horry County, South Carolina

NWS Wilmington, NC issued this tornado warning at May 14, 2012, 11:50 PM EDT for Brunswick County, Columbus County, North Carolina; Horry County, South Carolina. It was in force for 26 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
May 14, 2012, 11:50 PM EDT (03:50 UTC)
Expired
May 15, 2012, 12:16 AM EDT
In force
26 min
Issued by
NWS Wilmington, NC
Area
Storm-based polygon

Counties Brunswick County, NC, Columbus County, NC, Horry County, SC

The radar

The Wilmington radar (KLTX), 29 km from the middle of the area, began a volume at 03:52 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 00:00Z, 3.8 hours before the alert went out and 161 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 00:00Z on 2012-05-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 633 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 00:00Z on 2012-05-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 55 square meters per square second.19395878Sfc1 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
633 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
911 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
55 m²/s²
0-3 km storm-relative helicity
76 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.8

Open this sounding in Storm Lab

The text

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

464 
WFUS52 KILM 150350
TORILM
NCC019-047-SCC051-150430-
/O.NEW.KILM.TO.W.0004.120515T0350Z-120515T0430Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE WILMINGTON NC
1150 PM EDT MON MAY 14 2012

THE NATIONAL WEATHER SERVICE IN WILMINGTON NC HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHWESTERN BRUNSWICK COUNTY IN SOUTHEAST NORTH CAROLINA
  EASTERN HORRY COUNTY IN NORTHEAST SOUTH CAROLINA
  SOUTHERN COLUMBUS COUNTY IN SOUTHEAST NORTH CAROLINA

* UNTIL 1230 AM EDT

* AT 1147 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR WAMPEE...OR
  ABOUT 5 MILES NORTHWEST OF NORTH MYRTLE BEACH...MOVING NORTHEAST AT
  15 MPH.

* SOME LOCATIONS IN THE WARNING INCLUDE...
   LONGS...
   BROOKSVILLE...
   CALABASH...
   IREDELL...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

GET UNDER A TABLE OR OTHER PIECE OF STURDY FURNITURE. 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.

&&

PLEASE REPORT HAIL...DOWNED TREES OR DAMAGING WINDS TO THE NATIONAL
WEATHER SERVICE IN WILMINGTON NC...TOLL FREE AT 877-633-6772...WHEN
YOU CAN DO SO SAFELY.

LAT...LON 3390 7888 3408 7866 3388 7845 3382 7864
      3382 7866 3378 7874 3377 7876
TIME...MOT...LOC 0351Z 233DEG 11KT 3389 7873

$$

WEISS
2 follow-up statements
820 
WWUS52 KILM 150403
SVSILM

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON NC
1203 AM EDT TUE MAY 15 2012

NCC019-047-SCC051-150430-
/O.CON.KILM.TO.W.0004.000000T0000Z-120515T0430Z/
COLUMBUS NC-HORRY SC-BRUNSWICK NC-
1203 AM EDT TUE MAY 15 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1230 AM EDT FOR
SOUTHWESTERN BRUNSWICK...EAST CENTRAL HORRY AND SOUTH CENTRAL
COLUMBUS COUNTIES...

AT 1201 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR BROOKSVILLE...OR 5
MILES NORTHWEST OF LITTLE RIVER...MOVING NORTHEAST AT 15 MPH.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO CALABASH...
DULAH...SEASIDE...IREDELL...PIREWAY AND SUNSET BEACH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

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.

&&

PLEASE REPORT HAIL...DOWNED TREES OR DAMAGING WINDS TO THE NATIONAL
WEATHER SERVICE IN WILMINGTON NC...TOLL FREE AT 877-633-6772...WHEN
YOU CAN DO SO SAFELY.

LAT...LON 3390 7882 3408 7866 3388 7845 3384 7877
TIME...MOT...LOC 0403Z 233DEG 11KT 3391 7869

$$

WEISS
812 
WWUS52 KILM 150416
SVSILM

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON NC
1216 AM EDT TUE MAY 15 2012

NCC019-047-SCC051-150426-
/O.CAN.KILM.TO.W.0004.000000T0000Z-120515T0430Z/
COLUMBUS NC-HORRY SC-BRUNSWICK NC-
1216 AM EDT TUE MAY 15 2012

...THE TORNADO WARNING FOR SOUTHWESTERN BRUNSWICK...EAST CENTRAL
HORRY AND SOUTH CENTRAL COLUMBUS COUNTIES IS CANCELED...

AT 1215 AM EDT...THE THUNDERSTORM PRODUCING THE POSSIBLE TORNADO
WHICH PROMPTED THE WARNING HAS WEAKENED...THEREFORE THE TORNADO
WARNING HAS BEEN CANCELED.

PLEASE REPORT HAIL...DOWNED TREES OR DAMAGING WINDS TO THE NATIONAL
WEATHER SERVICE IN WILMINGTON NC...TOLL FREE AT 877-633-6772...WHEN
YOU CAN DO SO SAFELY.

LAT...LON 3390 7882 3408 7866 3388 7845 3384 7877
TIME...MOT...LOC 0416Z 233DEG 11KT 3393 7865

$$

WEISS

The office that day

Everything else NWS Wilmington, NC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 14, 8:51 PM EDTSpecial Weather StatementILMBrunswick54 min
May 14, 10:05 PM EDTAreal Flood AdvisoryILMBrunswick, New Hanover35 min
May 14, 10:37 PM EDTAreal Flood WarningILMBrunswick3 hr
May 15, 12:32 AM EDTSpecial Weather StatementILMColumbus58 min
May 15, 6:28 AM EDTSpecial Weather StatementILMBrunswick62 min
May 15, 1:18 PM EDTSpecial Weather StatementILMColumbus27 min
May 15, 1:22 PM EDTSevere Thunderstorm WarningILMBladen, Pender9 min
May 15, 1:24 PM EDTSevere Thunderstorm WarningILMBladen, Columbus26 min
May 15, 2:56 PM EDTSpecial Weather StatementILMColumbus64 min
May 15, 3:55 PM EDTSpecial Weather StatementILMRobeson65 min
May 15, 4:03 PM EDTSevere Thunderstorm WarningILMBladen, Columbus, Robeson34 min
May 15, 4:33 PM EDTSpecial Weather StatementILMBladen57 min
May 15, 7:08 PM EDTSpecial Weather StatementILMRobeson67 min
May 14, 11:36 PM EDTSpecial Weather StatementILMHorry54 min
May 15, 1:36 PM EDTSpecial Weather StatementILMHorry39 min
May 15, 1:54 PM EDTSpecial Weather StatementILMGeorgetown36 min
May 15, 1:59 PM EDTSevere Thunderstorm WarningILMGeorgetown, Horry46 min
May 15, 2:04 PM EDTTornado WarningILMGeorgetown, Horry26 min
May 15, 2:09 PM EDTSevere Thunderstorm WarningILMHorry38 min
May 15, 2:29 PM EDTAreal Flood WarningILMGeorgetown, Horry, Marion37 min
May 15, 4:42 PM EDTSpecial Weather StatementILMGeorgetown63 min
May 15, 5:05 PM EDTSpecial Weather StatementILMMarlboro40 min
May 15, 5:22 PM EDTAreal Flood WarningILMGeorgetown2 hr
May 15, 7:39 PM EDTSpecial Weather StatementILMDillon66 min

Nearby

Tornado Warnings in North Carolina, 2012Tornado 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.