Alert archive / North Carolina / Tornado Warnings in 2011

Tornado Warning 17, NWS Newport/Morehead City, NC

April 16, 20114 counties in North Carolina

NWS Newport/Morehead City, NC issued this tornado warning at Apr 16, 2011, 8:23 PM EDT for 4 counties in North Carolina. It was in force for 52 min. 2 reports 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
Apr 16, 2011, 8:23 PM EDT (00:23 UTC)
Expired
Apr 16, 2011, 9:15 PM EDT
In force
52 min
Issued by
NWS Newport/Morehead City, NC
Area
Storm-based polygon

Counties Beaufort County, NC, Hyde County, NC, Tyrrell County, NC, Washington County, NC

The radar

The Morehead City radar (KMHX), 140 km from the middle of the area, began a volume at 00:23 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
Apr 16, 9:05 PM EDTTORNADONewfoundland, NCSEVERAL ROOFS AND OUT BUILDINGS DAMAGED IN THE NE PART OF THE COUNTY SOUTH OF THE ALBEMARLE SOUND AND WEST OF THE ALLIGATOR RIVER
Apr 16, 9:21 PM EDTTSTM WND DMG5 Sse Columbia, NCTREES DOWN ACROSS HWY 64 NEAR BURTON SHELL RD. RELAYED FROM 911 CENTER

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

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 00:00Z, 0.4 hours before the alert went out and 139 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 00:00Z on 2011-04-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2506 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 00:00Z on 2011-04-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 576 square meters per square second.1939587897Sfc1 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
2506 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
466 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
576 m²/s²
0-3 km storm-relative helicity
688 m²/s²
Significant tornado parameter
9.2
Supercell composite
37.9

Open this sounding in Storm Lab

The text

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

366 
WFUS52 KMHX 170023
TORMHX
NCC013-095-177-187-170115-
/O.NEW.KMHX.TO.W.0017.110417T0023Z-110417T0115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
823 PM EDT SAT APR 16 2011

THE NATIONAL WEATHER SERVICE IN NEWPORT HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN WASHINGTON COUNTY IN EASTERN NORTH CAROLINA
  TYRRELL COUNTY IN EASTERN NORTH CAROLINA
  NORTHEASTERN BEAUFORT COUNTY IN EASTERN NORTH CAROLINA
  NORTHWESTERN HYDE COUNTY IN EASTERN NORTH CAROLINA

* UNTIL 915 PM EDT

* AT 818 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 5 MILES SOUTHWEST OF PUNGO...OR 18 MILES EAST OF RIVER
  ROAD...MOVING NORTHEAST AT 55 MPH. QUARTER SIZED HAIL AND
  DESTRUCTIVE WINDS IN EXCESS OF 70 MPH ARE ALSO LIKELY WITH THIS
  STORM.

* LOCATIONS IMPACTED INCLUDE...
  PUNGO LAKE...
  CENTER OF PHELPS LAKE...
  CRESWELL...
  WOODLEY...
  COLUMBIA...LEVELS...
  NEWFOUNDLAND...ALLIGATOR...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER. IF NO SHELTER IS
AVAILABLE LIE DOWN IN A LOW LYING AREA. PROTECT YOURSELF FROM FLYING
DEBRIS.

PLEASE REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE BY
CALLING...1...8 0 0...8 8 9...6 8 8 9 OR NOTIFY YOUR LOCAL LAW
ENFORCEMENT AGENCY.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT SATURDAY EVENING
FOR EASTERN NORTH CAROLINA.

&&

LAT...LON 3599 7606 3596 7602 3594 7603 3594 7606
      3593 7605 3594 7601 3586 7605 3586 7608
      3584 7606 3557 7658 3570 7671 3597 7639
      3594 7637 3594 7632 3597 7629 3600 7616
TIME...MOT...LOC 0023Z 231DEG 49KT 3563 7663

$$

26
1 follow-up statement
068 
WWUS52 KMHX 170046
SVSMHX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
846 PM EDT SAT APR 16 2011

NCC013-095-170055-
/O.CAN.KMHX.TO.W.0017.000000T0000Z-110417T0115Z/
BEAUFORT NC-HYDE NC-
846 PM EDT SAT APR 16 2011

...THE TORNADO WARNING FOR NORTHWESTERN HYDE AND NORTHEASTERN
BEAUFORT COUNTIES IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA AND 
THE WARNING IS NO LONGER IN EFFECT.

IF YOU OBSERVED SEVERE WEATHER INCLUDING DAMAGING WINDS OR LARGE
HAIL...PLEASE CONTACT THE NATIONAL WEATHER SERVICE BY CALLING TOLL
FREE 1...8 0 0...8 8 9...6 8 8 9...OR NOTIFY YOUR NEAREST LAW
ENFORCEMENT AGENCY AND ASK THEM TO RELAY YOUR REPORT TO THE NATIONAL
WEATHER SERVICE FORECAST OFFICE IN NEWPORT.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT SATURDAY EVENING
FOR EASTERN NORTH CAROLINA.

LAT...LON 3599 7606 3596 7602 3594 7603 3594 7606
      3593 7605 3594 7601 3586 7605 3586 7608
      3584 7606 3571 7632 3572 7653 3588 7640
      3594 7632 3597 7629 3600 7616
TIME...MOT...LOC 0045Z 231DEG 49KT 3582 7634

$$

NCC177-187-170115-
/O.CON.KMHX.TO.W.0017.000000T0000Z-110417T0115Z/
WASHINGTON NC-TYRRELL NC-
846 PM EDT SAT APR 16 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 915 PM EDT FOR TYRRELL
AND SOUTHEASTERN WASHINGTON COUNTIES...

AT 844 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR CRESWELL...OR 22
MILES SOUTHEAST OF EDENTON...MOVING NORTHEAST AT 55 MPH.

HAZARDS IN THE WARNING INCLUDE...
A TORNADO.
QUARTER SIZED HAIL.
OTHER DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.

LOCATIONS IN THE PATH OF THE STORM INCLUDE... WOODLEY...COLUMBIA...
LEVELS...ALLIGATOR...NEWFOUNDLAND AND FORT LANDING.

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER. IF NO SHELTER IS
AVAILABLE LIE DOWN IN A LOW LYING AREA. PROTECT YOURSELF FROM FLYING
DEBRIS.

WHEN IT IS SAFE TO DO SO...PLEASE CALL IN YOUR REPORTS OF PENNY OR
LARGER SIZED HAIL...AS WELL AS WIND DAMAGE...INCLUDING TREES OR LARGE
LIMBS DOWNED BY CALLING THE NATIONAL WEATHER SERVICE TOLL FREE AT...
1...8 0 0...8 8 9...6 8 8 9.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT SATURDAY EVENING
FOR EASTERN NORTH CAROLINA.

LAT...LON 3599 7606 3596 7602 3594 7603 3594 7606
      3593 7605 3594 7601 3586 7605 3586 7608
      3584 7606 3571 7632 3572 7653 3588 7640
      3594 7632 3597 7629 3600 7616
TIME...MOT...LOC 0045Z 231DEG 49KT 3582 7634

$$

26

The office that day

Everything else NWS Newport/Morehead City, NC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 16, 8:14 PM EDTTornado WarningMHXCarteret, Craven, Jones, Onslow46 min
Apr 16, 8:22 PM EDTSpecial Marine WarningMHX37 min
Apr 16, 8:40 PM EDTTornado WarningMHXBeaufort, Craven, Pamlico50 min
Apr 16, 9:01 PM EDTSpecial Marine WarningMHX44 min
Apr 16, 9:05 PM EDTSpecial Marine WarningMHX40 min
Apr 16, 9:16 PM EDTTornado WarningMHXDare, Tyrrell44 min
Apr 16, 9:26 PM EDTSpecial Marine WarningMHX64 min
Apr 16, 9:27 PM EDTTornado WarningMHXDare33 min
Apr 16, 9:39 PM EDTTornado WarningMHXDare, Hyde51 min
Apr 16, 10:23 PM EDTSevere Thunderstorm WarningMHXDare, Hyde37 min
Apr 17, 12:15 AM EDTSmall Craft AdvisoryMHX20 hr

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.