Alert archive / North Carolina / Tornado Warnings in 2011

Tornado Warning 30, NWS Wilmington, NC

August 22, 2011New Hanover County, North Carolina

NWS Wilmington, NC issued this tornado warning at Aug 22, 2011, 4:45 PM EDT for New Hanover County, North Carolina. It was in force for 30 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 22, 2011, 4:45 PM EDT (20:45 UTC)
Expired
Aug 22, 2011, 5:15 PM EDT
In force
30 min
Issued by
NWS Wilmington, NC
Area
Storm-based polygon

County New Hanover County, NC

The radar

The Wilmington radar (KLTX), 54 km from the middle of the area, began a volume at 20:47 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.

The nearest sounding before it

Newport, NC (KMHX), launched 12:00Z, 8.8 hours before the alert went out and 116 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 2011-08-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 21 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 2011-08-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 95 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
21 J/kg
Mixed-layer CIN
-216 J/kg
Mixed-layer LCL
1368 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
95 m²/s²
0-3 km storm-relative helicity
106 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.

466 
WFUS52 KILM 222045
TORILM
NCC129-222115-
/O.NEW.KILM.TO.W.0030.110822T2045Z-110822T2115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE WILMINGTON NC
445 PM EDT MON AUG 22 2011

THE NATIONAL WEATHER SERVICE IN WILMINGTON NC HAS ISSUED A

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

* UNTIL 515 PM EDT

* AT 443 PM EDT...THE PUBLIC REPORTED A TORNADO NEAR MYRTLE GROVE...
  OR ABOUT 5 MILES NORTH OF CAROLINA BEACH...MOVING SOUTHEAST AT 15
  MPH.

* SOME LOCATIONS IN THE WARNING INCLUDE...
   CAROLINA BEACH...

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 3414 7783 3402 7789 3414 7794 3418 7791
      3416 7783
TIME...MOT...LOC 2046Z 318DEG 13KT 3411 7787

$$

TRA
3 follow-up statements
886 
WWUS52 KILM 222056
SVSILM

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON NC
456 PM EDT MON AUG 22 2011

NCC129-222115-
/O.CON.KILM.TO.W.0030.000000T0000Z-110822T2115Z/
NEW HANOVER NC-
456 PM EDT MON AUG 22 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM EDT FOR SOUTH
CENTRAL NEW HANOVER COUNTY...

AT 452 PM EDT...RADAR AND MULTIPLE PUBLIC REPORTS INDICATE A FUNNEL 
CLOUD OR POSSIBLE TORNADO JUST NORTH OF THE SNOW'S CUT BRIDGE...OR 3 
MILES NORTH OF CAROLINA BEACH...MOVING SOUTH AT 20 MPH.

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 3413 7789 3414 7783 3402 7789 3412 7793
TIME...MOT...LOC 2055Z 354DEG 15KT 3407 7788

$$

TRA
777 
WWUS52 KILM 222106
SVSILM

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON NC
506 PM EDT MON AUG 22 2011

NCC129-222115-
/O.CON.KILM.TO.W.0030.000000T0000Z-110822T2115Z/
NEW HANOVER NC-
506 PM EDT MON AUG 22 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM EDT FOR SOUTH
CENTRAL NEW HANOVER COUNTY...

AT 501 PM EDT...PUBLIC REPORTS OF FUNNEL CLOUDS AND POSSIBLE 
TORNADOES CONTINUE.  THE STORM WAS LOCATED BY DOPPLER RADAR 2 MILES 
NORTH OF CAROLINA BEACH...MOVING SOUTH AT 10 MPH.

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 3411 7785 3402 7789 3410 7792
TIME...MOT...LOC 2106Z 001DEG 10KT 3406 7789

$$

TRA
621 
WWUS52 KILM 222114
SVSILM

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON NC
514 PM EDT MON AUG 22 2011

NCC129-222123-
/O.EXP.KILM.TO.W.0030.000000T0000Z-110822T2115Z/
NEW HANOVER NC-
514 PM EDT MON AUG 22 2011

...THE TORNADO WARNING FOR SOUTH CENTRAL NEW HANOVER COUNTY WILL
EXPIRE AT 515 PM EDT...

AT 510 PM EDT...RADAR AND SPOTTER REPORTS INDICATE THAT ALTHOUGH THE 
THUNDERSTORM OVER SOUTHERN NEW HANOVER COUNTY REMAINS STRONG...A 
TORNADO IS NO LONGER BEING PRODUCED. VERY HEAVY RAINFALL...FREQUENT 
LIGHTNING...AND WIND GUSTS UP TO 40 MPH REMAIN POSSIBLE FOR THE NEXT 
HALF HOUR AS THE THUNDERSTORM MOVES SOUTH INTO CAROLINA BEACH AND 
KURE BEACH.

PLEASE REPORT 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 3411 7785 3402 7789 3410 7792
TIME...MOT...LOC 2113Z 001DEG 10KT 3404 7789

$$

TRA

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 21, 9:59 PM EDTSpecial Weather StatementILMRobeson61 min
Aug 21, 10:07 PM EDTSevere Thunderstorm WarningILMRobeson53 min
Aug 21, 11:01 PM EDTSpecial Weather StatementILMBladen, Columbus59 min
Aug 22, 12:14 AM EDTAreal Flood AdvisoryILMBladen, Columbus, Robeson2 hr
Aug 22, 3:25 PM EDTSpecial Weather StatementILMPender35 min
Aug 22, 5:21 PM EDTSpecial Weather StatementILMBrunswick54 min
Aug 22, 5:36 PM EDTAreal Flood AdvisoryILMNew Hanover84 min
Aug 22, 6:21 PM EDTAreal Flood AdvisoryILMBrunswick114 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.