Alert archive / North Carolina / Tornado Warnings in 2011

Tornado Warning 26, NWS Wilmington, NC

August 14, 2011New Hanover County, Pender County, North Carolina

NWS Wilmington, NC issued this tornado warning at Aug 14, 2011, 7:54 PM EDT for New Hanover County, Pender County, North Carolina. It was in force for 36 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
Aug 14, 2011, 7:54 PM EDT (23:54 UTC)
Expired
Aug 14, 2011, 8:30 PM EDT
In force
36 min
Issued by
NWS Wilmington, NC
Area
Storm-based polygon

Counties New Hanover County, NC, Pender County, NC

The radar

The Wilmington radar (KLTX), 73 km from the middle of the area, began a volume at 23:57 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

Newport, NC (KMHX), launched 12:00Z, 11.9 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, Newport, NC at 12:00Z on 2011-08-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 711 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 2011-08-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 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
711 J/kg
Mixed-layer CIN
-24 J/kg
Mixed-layer LCL
664 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
37 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

289 
WFUS52 KILM 142354
TORILM
NCC129-141-150030-
/O.NEW.KILM.TO.W.0026.110814T2354Z-110815T0030Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE WILMINGTON NC
754 PM EDT SUN AUG 14 2011

THE NATIONAL WEATHER SERVICE IN WILMINGTON NC HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN NEW HANOVER COUNTY IN SOUTHEAST NORTH CAROLINA
  SOUTHERN PENDER COUNTY IN SOUTHEAST NORTH CAROLINA

* UNTIL 830 PM EDT

* AT 748 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR CASTLE     
  HAYNE...MOVING EAST AT 25 MPH.

* SOME LOCATIONS IN THE WARNING INCLUDE...
   MOORETOWN...
   HAMPSTEAD...
   TOPSAIL...

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.

&&

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 3432 7768 3428 7795 3438 7798 3450 7771
      3435 7764
TIME...MOT...LOC 2354Z 250DEG 21KT 3435 7787

$$

RAS
3 follow-up statements
080 
WWUS52 KILM 142359
SVSILM

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON NC
759 PM EDT SUN AUG 14 2011

NCC129-141-150030-
/O.CON.KILM.TO.W.0026.000000T0000Z-110815T0030Z/
PENDER NC-NEW HANOVER NC-
759 PM EDT SUN AUG 14 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM EDT FOR NORTHERN
NEW HANOVER AND SOUTH CENTRAL PENDER COUNTIES...

AT 757 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A TORNADO JUST EAST OF CASTLE HAYNE....MOVING EAST AT 25 
MPH. THE TORNADO IS JUST EAST OF INTERSTATE 40 AND JUST SOUTH OF THE 
PENDER-NEW HANOVER COUNTY LINE...AND WILL ROUGHLY PARALLEL HOLLY 
SHELTER ROAD AND ISLAND CREEK ROAD TOWARD HAMPSTEAD.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MOORETOWN...
SCOTTS HILL...HAMPSTEAD AND TOPSAIL.

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.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT SUNDAY
EVENING FOR 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 3432 7768 3428 7795 3438 7798 3450 7771
      3435 7764
TIME...MOT...LOC 2358Z 250DEG 21KT 3436 7784

$$

RAS
286 
WWUS52 KILM 150012
SVSILM

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON NC
812 PM EDT SUN AUG 14 2011

NCC129-150022-
/O.CAN.KILM.TO.W.0026.000000T0000Z-110815T0030Z/
NEW HANOVER NC-
812 PM EDT SUN AUG 14 2011

...THE TORNADO WARNING FOR NORTHERN NEW HANOVER COUNTY IS CANCELED...

THE STORM THAT PROMPTED THE WARNING HAS MOVED INTO PENDER COUNTY.

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 3432 7768 3431 7777 3432 7777 3434 7780
      3436 7781 3438 7780 3444 7785 3450 7771
      3435 7764
TIME...MOT...LOC 0012Z 253DEG 20KT 3438 7776

$$

NCC141-150030-
/O.CON.KILM.TO.W.0026.000000T0000Z-110815T0030Z/
PENDER NC-
812 PM EDT SUN AUG 14 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM EDT FOR
SOUTHEASTERN PENDER COUNTY...

AT 807 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED 5 MILES WEST OF 
HAMPSTEAD...MOVING EAST AT 25 MPH.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO HAMPSTEAD AND
TOPSAIL.

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.

&&

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 3432 7768 3431 7777 3432 7777 3434 7780
      3436 7781 3438 7780 3444 7785 3450 7771
      3435 7764
TIME...MOT...LOC 0012Z 253DEG 20KT 3438 7776

$$

RAS
498 
WWUS52 KILM 150027
SVSILM

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON NC
827 PM EDT SUN AUG 14 2011

NCC141-150037-
/O.EXP.KILM.TO.W.0026.000000T0000Z-110815T0030Z/
PENDER NC-
827 PM EDT SUN AUG 14 2011

...THE TORNADO WARNING FOR SOUTHEASTERN PENDER COUNTY WILL EXPIRE AT
830 PM EDT...

AT 825 PM EDT...THE STORM WHICH PROMPTED THE WARNING HAS 
DISSIPATED...THEREFORE 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 877-633-6772...WHEN
YOU CAN DO SO SAFELY.

LAT...LON 3432 7768 3431 7777 3432 7777 3434 7780
      3436 7781 3438 7780 3444 7785 3450 7771
      3435 7764
TIME...MOT...LOC 0027Z 253DEG 20KT 3440 7766

$$

RAS

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 14, 4:49 PM EDTSpecial Weather StatementILMBladen56 min
Aug 14, 5:25 PM EDTSpecial Weather StatementILMBladen65 min
Aug 14, 5:28 PM EDTSpecial Weather StatementILMPender62 min
Aug 14, 5:37 PM EDTSpecial Weather StatementILMPender53 min
Aug 14, 5:44 PM EDTTornado WarningILMPender46 min
Aug 14, 6:37 PM EDTSpecial Weather StatementILMPender53 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.