Alert archive / North Carolina / Tornado Warnings in 2011

Tornado Warning 13, NWS Wilmington, NC

April 16, 2011Pender County, North Carolina

NWS Wilmington, NC issued this tornado warning at Apr 16, 2011, 7:43 PM EDT for Pender County, North Carolina. It was in force for 17 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
Apr 16, 2011, 7:43 PM EDT (23:43 UTC)
Expired
Apr 16, 2011, 8:00 PM EDT
In force
17 min
Issued by
NWS Wilmington, NC
Area
Storm-based polygon

County Pender County, NC

The radar

The Morehead City radar (KMHX), 81 km from the middle of the area, began a volume at 23:44 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 16, 12:02 PM EDTTornado Watch PDSSPC11 hr

The nearest sounding before it

Newport, NC (KMHX), launched 12:00Z, 11.7 hours before the alert went out and 81 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, Newport, NC at 12:00Z on 2011-04-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 7 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, Newport, NC at 12:00Z on 2011-04-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 201 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
7 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
824 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
201 m²/s²
0-3 km storm-relative helicity
308 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.

943 
WFUS52 KILM 162343
TORILM
NCC141-170000-
/O.NEW.KILM.TO.W.0013.110416T2343Z-110417T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE WILMINGTON NC
743 PM EDT SAT APR 16 2011

THE NATIONAL WEATHER SERVICE IN WILMINGTON NC HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN PENDER COUNTY IN SOUTHEAST NORTH CAROLINA

* UNTIL 800 PM EDT

* AT 742 PM EDT...TRAINED WEATHER SPOTTERS REPORTED A FUNNEL CLOUD 6
  MILES EAST OF MAPLE HILL...OR ABOUT 10 MILES WEST OF NEW RIVER
  STATION...MOVING NORTHEAST AT 60 MPH.

* THE TORNADO WILL OTHERWISE IMPACT MAINLY RURAL AREAS OF THE
  INDICATED COUNTY.

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT SATURDAY EVENING
FOR SOUTHEAST NORTH CAROLINA AND NORTHEAST SOUTH CAROLINA.

&&

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 3450 7774 3453 7783 3464 7774 3472 7769
      3451 7759
TIME...MOT...LOC 2343Z 233DEG 53KT 3466 7760

$$


15
1 follow-up statement
610 
WWUS52 KILM 162354
SVSILM

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON NC
754 PM EDT SAT APR 16 2011

NCC141-170005-
/O.EXP.KILM.TO.W.0013.000000T0000Z-110417T0000Z/
PENDER NC-
754 PM EDT SAT APR 16 2011

...THE TORNADO WARNING FOR NORTHEASTERN PENDER COUNTY WILL EXPIRE AT
800 PM EDT...

AT 751 PM EDT...THE TORNADO WHICH PROMPTED THE WARNING HAS MOVED OUT
OF THE WARNED AREA...THUS THE TORNADO WARNING WAS ALLOWED TO EXPIRE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT SATURDAY EVENING
FOR SOUTHEAST NORTH CAROLINA AND NORTHEAST SOUTH CAROLINA.

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 3450 7774 3453 7783 3464 7774 3472 7769
      3451 7759
TIME...MOT...LOC 2355Z 233DEG 53KT 3476 7743

$$

15

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 16, 12:07 PM EDTTornado WarningILMColumbus, Robeson37 min
Apr 16, 3:15 PM EDTSevere Thunderstorm WarningILMBladen, Robeson70 min
Apr 16, 3:27 PM EDTTornado WarningILMBladen, Robeson48 min
Apr 16, 4:17 PM EDTTornado WarningILMBladen, Columbus, Robeson58 min
Apr 16, 4:53 PM EDTTornado WarningILMBladen, Columbus, Robeson45 min
Apr 16, 5:03 PM EDTTornado WarningILMBladen, Columbus, Robeson57 min
Apr 16, 5:42 PM EDTTornado WarningILMBladen, Columbus, Pender29 min
Apr 16, 5:48 PM EDTSevere Thunderstorm WarningILMBrunswick, Columbus42 min
Apr 16, 6:26 PM EDTSevere Thunderstorm WarningILMBladen, Brunswick, Columbus, Pender39 min
Apr 16, 6:34 PM EDTSevere Thunderstorm WarningILMBladen11 min
Apr 16, 7:01 PM EDTSevere Thunderstorm WarningILMBladen, Columbus, Robeson34 min
Apr 16, 7:13 PM EDTTornado WarningILMBrunswick, New Hanover, Pender32 min

Nearby

Tornado Warnings in North Carolina, 2011Every tornado warning in 2011Tornadoes in 2011

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.