Alert archive / North Carolina / Tornado Warnings in 2013

Tornado Warning 4, NWS Wilmington, NC

June 29, 2013Brunswick County, Columbus County, North Carolina; Horry County, South Carolina

NWS Wilmington, NC issued this tornado warning at Jun 29, 2013, 4:48 PM EDT for Brunswick County, Columbus County, North Carolina; Horry County, South Carolina. It was in force for 27 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
Jun 29, 2013, 4:48 PM EDT (20:48 UTC)
Expired
Jun 29, 2013, 5:15 PM EDT
In force
27 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), 28 km from the middle of the area, began a volume at 20:51 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.

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 8.8 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 12:00Z on 2013-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 139 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 2013-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 square meters per square second.1939Sfc1 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
139 J/kg
Mixed-layer CIN
-73 J/kg
Mixed-layer LCL
847 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
31 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.

223 
WFUS52 KILM 292048
TORILM
NCC019-047-SCC051-292115-
/O.NEW.KILM.TO.W.0004.130629T2048Z-130629T2115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE WILMINGTON NC
448 PM EDT SAT JUN 29 2013

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 515 PM EDT

* AT 446 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 6 MILES
  NORTHEAST OF MYRTLE BEACH...MOVING NORTHEAST AT 25 MPH.

* SOME LOCATIONS IN THE WARNING INCLUDE...
   HAND...
   WAMPEE...
   BROOKSVILLE...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
QUARTER SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

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 800-697-3901...WHEN
YOU CAN DO SO SAFELY.

LAT...LON 3378 7898 3418 7852 3398 7830 3386 7849
      3385 7853 3383 7862 3379 7872 3374 7881
      3368 7888
TIME...MOT...LOC 2047Z 228DEG 20KT 3377 7883

$$

15
2 follow-up statements
175 
WWUS52 KILM 292107
SVSILM

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON NC
507 PM EDT SAT JUN 29 2013

NCC019-047-SCC051-292115-
/O.CON.KILM.TO.W.0004.000000T0000Z-130629T2115Z/
COLUMBUS NC-HORRY SC-BRUNSWICK NC-
507 PM EDT SAT JUN 29 2013

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM EDT FOR
SOUTHWESTERN BRUNSWICK...EAST CENTRAL HORRY AND SOUTH CENTRAL
COLUMBUS COUNTIES...

AT 505 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR WAMPEE...OR 4
MILES WEST OF NORTH MYRTLE BEACH...MOVING NORTHEAST AT 25 MPH.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO CHERRY GROVE
BEACH...BROOKSVILLE...RUSSTOWN...SEASIDE...EXUM...IREDELL...
GRISSETTOWN...LONGS...LONGWOOD...FREELAND...HONEY ISLAND...ASH...
WACCAMAW...PIREWAY...SHALLOTTE...CALABASH...SUNSET BEACH AND LITTLE
RIVER.

PLEASE REPORT HAIL...DOWNED TREES OR DAMAGING WINDS TO THE NATIONAL
WEATHER SERVICE IN WILMINGTON NC...TOLL FREE AT 800-697-3901...WHEN
YOU CAN DO SO SAFELY.

LAT...LON 3380 7872 3380 7878 3381 7882 3386 7888
      3418 7852 3398 7830 3386 7849 3385 7853
      3383 7862
TIME...MOT...LOC 2107Z 228DEG 20KT 3384 7873

$$

15
875 
WWUS52 KILM 292112
SVSILM

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON NC
512 PM EDT SAT JUN 29 2013

NCC019-047-SCC051-292122-
/O.EXP.KILM.TO.W.0004.000000T0000Z-130629T2115Z/
COLUMBUS NC-HORRY SC-BRUNSWICK NC-
512 PM EDT SAT JUN 29 2013

...THE TORNADO WARNING FOR SOUTHWESTERN BRUNSWICK...EAST CENTRAL
HORRY AND SOUTH CENTRAL COLUMBUS COUNTIES WILL EXPIRE AT 515 PM
EDT...

AT 509 PM EDT...THE THUNDERSTORM PRODUCING THE POSSIBLE TORNADO WHICH
PROMPTED THE WARNING HAS WEAKENED...THUS THE TORNADO WARNING WAS
ALLOWED TO EXPIRE.

PLEASE REPORT HAIL...DOWNED TREES OR DAMAGING WINDS TO THE NATIONAL
WEATHER SERVICE IN WILMINGTON NC...TOLL FREE AT 800-697-3901...WHEN
YOU CAN DO SO SAFELY.

LAT...LON 3380 7872 3380 7878 3381 7882 3386 7888
      3418 7852 3398 7830 3386 7849 3385 7853
      3383 7862
TIME...MOT...LOC 2112Z 228DEG 20KT 3386 7870

$$

15

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 28, 9:06 PM EDTRiver Flood WarningILMRobeson24 hr
Jun 29, 4:03 PM EDTSpecial Weather StatementILMColumbus57 min
Jun 29, 6:38 PM EDTTornado WarningILMBrunswick, Columbus37 min
Jun 29, 2:54 PM EDTSpecial Weather StatementILMHorry, Marion66 min
Jun 29, 4:39 PM EDTSpecial Marine WarningILM66 min
Jun 29, 5:58 PM EDTAreal Flood AdvisoryILMGeorgetown, Horry2 hr

Nearby

Tornado Warnings in North Carolina, 2013Tornado Warnings in South Carolina, 2013Every tornado warning in 2013Tornadoes in 2013

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.