Alert archive / North Carolina / Tornado Warnings in 2011

Tornado Warning 25, NWS Wilmington, NC

August 14, 2011Pender County, North Carolina

NWS Wilmington, NC issued this tornado warning at Aug 14, 2011, 5:44 PM EDT for Pender County, North Carolina. It was in force for 46 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
Aug 14, 2011, 5:44 PM EDT (21:44 UTC)
Expired
Aug 14, 2011, 6:30 PM EDT
In force
46 min
Issued by
NWS Wilmington, NC
Area
Storm-based polygon

County Pender County, NC

The radar

The Morehead City radar (KMHX), 78 km from the middle of the area, began a volume at 21:47 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
Aug 14, 5:44 PM EDTTORNADO1 Se St. Helena, NCLAW ENFORCEMENT REPORTED A TORNADO AT THE INTERSECTION OF NEW ROAD AND 117.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Newport, NC (KMHX), launched 12:00Z, 9.7 hours before the alert went out and 78 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.

331 
WFUS52 KILM 142144
TORILM
NCC141-142230-
/O.NEW.KILM.TO.W.0025.110814T2144Z-110814T2230Z/

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

THE NATIONAL WEATHER SERVICE IN WILMINGTON NC HAS ISSUED A

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

* UNTIL 630 PM EDT

* AT 539 PM EDT...LOCAL LAW ENFORCEMENT REPORTED A TORNADO NEAR ST   
  HELENA...OR ABOUT 3 MILES SOUTH OF BURGAW...MOVING EAST AT 15 MPH.

* SOME LOCATIONS IN THE WARNING INCLUDE...
   MOORETOWN...
   WHITE STOCKING...
   EDGECOMB...

THE TORNADO WILL CROSS INTERSTATE 40 NEAR MILE MARKER 402. 

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 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 3442 7754 3441 7799 3459 7801 3465 7764
      3448 7757 3447 7754 3445 7752 3443 7752
TIME...MOT...LOC 2144Z 264DEG 14KT 3451 7789

$$

RAS
3 follow-up statements
024 
WWUS52 KILM 142201
SVSILM

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

NCC141-142230-
/O.CON.KILM.TO.W.0025.000000T0000Z-110814T2230Z/
PENDER NC-
601 PM EDT SUN AUG 14 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM EDT FOR EASTERN
PENDER COUNTY...

AT 557 PM EDT...DOPPLER RADAR CONTINUES TO INDICATE A TORNADO NEAR 
INTERSTATE 40...NEAR MILE MARKER 403. THE STORM IS MOVING SOUTHEAST 
AT 10 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3442 7754 3441 7799 3459 7801 3465 7764
      3448 7757 3447 7754 3445 7752 3443 7752
TIME...MOT...LOC 2158Z 300DEG 9KT 3449 7787

$$

RAS
563 
WWUS52 KILM 142208
SVSILM

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

NCC141-142230-
/O.CON.KILM.TO.W.0025.000000T0000Z-110814T2230Z/
PENDER NC-
608 PM EDT SUN AUG 14 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM EDT FOR EASTERN
PENDER COUNTY...

AT 606 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE ROTATION IN A THUNDERSTORM OVER HOLLY SHELTER GAME 
LAND...MOVING EAST AT 15 MPH.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO EDGECOMB.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3442 7754 3441 7799 3459 7801 3465 7764
      3448 7757 3447 7754 3445 7752 3443 7752
TIME...MOT...LOC 2208Z 259DEG 15KT 3452 7772

$$

RAS
401 
WWUS52 KILM 142224
SVSILM

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

NCC141-142233-
/O.EXP.KILM.TO.W.0025.000000T0000Z-110814T2230Z/
PENDER NC-
624 PM EDT SUN AUG 14 2011

...THE TORNADO WARNING FOR EASTERN PENDER COUNTY WILL EXPIRE AT 630
PM EDT...

AT 620 PM EDT...THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED 
AND IS NO LONGER PRODUCING A TORNADO...THUS THE TORNADO WARNING WAS 
ALLOWED TO EXPIRE.

THUNDERSTORMS WITH GUSTY WINDS AND FREQUENT LIGHTNING WILL CONTINUE 
TO AFFECT THE HOLLY SHELTER GAME LAND THROUGH 7 PM.

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 3442 7754 3441 7799 3459 7801 3465 7764
      3448 7757 3447 7754 3445 7752 3443 7752
TIME...MOT...LOC 2223Z 259DEG 15KT 3453 7765

$$

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, 6:37 PM EDTSpecial Weather StatementILMPender53 min
Aug 14, 7:54 PM EDTTornado WarningILMNew Hanover, Pender36 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.