Alert archive / North Carolina / Tornado Warnings in 2011

Tornado Warning 34, NWS Newport/Morehead City, NC

April 28, 2011Tyrrell County, Washington County, North Carolina

NWS Newport/Morehead City, NC issued this tornado warning at Apr 28, 2011, 5:55 PM EDT for Tyrrell County, Washington County, North Carolina. It was in force for 35 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 28, 2011, 5:55 PM EDT (21:55 UTC)
Expired
Apr 28, 2011, 6:30 PM EDT
In force
35 min
Issued by
NWS Newport/Morehead City, NC
Area
Storm-based polygon

Counties Tyrrell County, NC, Washington County, NC

The radar

The Norfolk radar (KAKQ), 129 km from the middle of the area, began a volume at 21:58 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 28, 2:41 PM EDTTornado WatchSPC6 hr

The nearest sounding before it

Newport, NC (KMHX), launched 12:00Z, 9.9 hours before the alert went out and 135 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 2011-04-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1638 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 2011-04-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 227 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
1638 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
502 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
227 m²/s²
0-3 km storm-relative helicity
220 m²/s²
Significant tornado parameter
1.0
Supercell composite
6.8

Open this sounding in Storm Lab

The text

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

365 
WFUS52 KMHX 282155
TORMHX
NCC177-187-282230-
/O.NEW.KMHX.TO.W.0034.110428T2155Z-110428T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
555 PM EDT THU APR 28 2011

THE NATIONAL WEATHER SERVICE IN NEWPORT HAS ISSUED A

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

* UNTIL 630 PM EDT

* AT 550 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 5 MILES WEST OF CENTER OF PHELPS LAKE...OR 12 MILES
  SOUTHEAST OF PLYMOUTH...MOVING NORTHEAST AT 55 MPH. QUARTER SIZED
  HAIL AND DAMAGING WINDS IN EXCESS OF 58 MPH ARE ALSO LIKELY WITH
  THIS STORM.

* LOCATIONS IMPACTED INCLUDE...
  CRESWELL...SCUPPERNONG...

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 THURSDAY EVENING
FOR EASTERN NORTH CAROLINA.

&&

LAT...LON 3598 7638 3594 7636 3595 7632 3596 7631
      3598 7625 3570 7658 3580 7669 3599 7642
      3599 7640
TIME...MOT...LOC 2155Z 234DEG 47KT 3579 7652

$$

29

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 28, 10:07 AM EDTWind AdvisoryMHXBeaufort, Dare, Duplin, Greene, Hyde, Jones and 6 more12 hr
Apr 28, 1:41 PM EDTTornado WarningMHXDuplin, Lenoir49 min
Apr 28, 2:26 PM EDTTornado WarningMHXDuplin49 min
Apr 28, 3:10 PM EDTTornado WarningMHXDuplin, Lenoir50 min
Apr 28, 3:29 PM EDTTornado WarningMHXBeaufort, Greene, Martin, Pitt46 min
Apr 28, 3:48 PM EDTTornado WarningMHXCraven, Duplin, Jones, Lenoir42 min
Apr 28, 4:26 PM EDTTornado WarningMHXBeaufort, Craven, Pitt49 min
Apr 28, 4:32 PM EDTTornado WarningMHXDuplin, Onslow26 min
Apr 28, 4:44 PM EDTTornado WarningMHXMartin, Washington31 min
Apr 28, 4:49 PM EDTTornado WarningMHXBeaufort, Craven, Pitt22 min
Apr 28, 5:01 PM EDTTornado WarningMHXBeaufort, Hyde, Washington44 min
Apr 28, 5:15 PM EDTTornado WarningMHXTyrrell, Washington19 min
Apr 28, 5:26 PM EDTSpecial Marine WarningMHX49 min
Apr 28, 5:33 PM EDTTornado WarningMHXHyde, Tyrrell, Washington42 min
Apr 28, 5:42 PM EDTSevere Thunderstorm WarningMHXCraven, Jones, Onslow33 min
Apr 28, 5:46 PM EDTSevere Thunderstorm WarningMHXCraven, Jones, Onslow29 min
Apr 28, 6:23 PM EDTTornado WarningMHXDare, Tyrrell, Washington37 min
Apr 28, 6:38 PM EDTSpecial Marine WarningMHX67 min
Apr 28, 7:01 PM EDTTornado WarningMHXDare29 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.