Alert archive / North Carolina / Tornado Warnings in 2011

Tornado Warning 38, NWS Newport/Morehead City, NC

August 6, 2011Hyde County, North Carolina

NWS Newport/Morehead City, NC issued this tornado warning at Aug 6, 2011, 8:20 PM EDT for Hyde County, North Carolina. It was in force for 40 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 6, 2011, 8:20 PM EDT (00:20 UTC)
Expired
Aug 6, 2011, 9:00 PM EDT
In force
40 min
Issued by
NWS Newport/Morehead City, NC
Area
Storm-based polygon

County Hyde County, NC

The radar

The Morehead City radar (KMHX), 101 km from the middle of the area, began a volume at 00:21 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 00:00Z, 0.3 hours before the alert went out and 101 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 2011-08-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2618 joules per kilogram.LCLEL10008507005003002001001 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 2011-08-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 62 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
2618 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
608 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
62 m²/s²
0-3 km storm-relative helicity
112 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.

423 
WFUS52 KMHX 070020
TORMHX
NCC095-070100-
/O.NEW.KMHX.TO.W.0038.110807T0020Z-110807T0100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
820 PM EDT SAT AUG 6 2011

THE NATIONAL WEATHER SERVICE IN NEWPORT HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN MAINLAND HYDE COUNTY IN EASTERN NORTH CAROLINA

* UNTIL 900 PM EDT

* AT 816 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A TORNADO OVER SWINDELL FORK...OR JUST NORTH OF                    
  SWANQUARTER...MOVING EAST AT 10 MPH.

* LOCATIONS IMPACTED INCLUDE...
  HYDELAND...
  FAIRFIELD...
  CENTER OF LAKE MATTAMUSKEET...
  NEW HOLLAND...

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.

&&

LAT...LON 3548 7599 3541 7602 3542 7605 3541 7606
      3538 7606 3535 7631 3538 7635 3535 7634
      3534 7636 3552 7641 3564 7601 3552 7595
      3551 7596 3549 7595
TIME...MOT...LOC 0020Z 257DEG 9KT 3545 7628

$$

5
1 follow-up statement
852 
WWUS52 KMHX 070037
SVSMHX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
837 PM EDT SAT AUG 6 2011

NCC095-070100-
/O.CON.KMHX.TO.W.0038.000000T0000Z-110807T0100Z/
MAINLAND HYDE NC-
837 PM EDT SAT AUG 6 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM EDT FOR EASTERN
MAINLAND HYDE COUNTY...

AT 834 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR HYDELAND...OR 6
MILES NORTHEAST OF SWANQUARTER...MOVING EAST AT 10 MPH.

LOCATIONS IN THE PATH OF THE STORM INCLUDE... FAIRFIELD...CENTER OF
LAKE MATTAMUSKEET...NEW HOLLAND...NEBRASKA...MIDDLETOWN...LAKE
LANDING...GULL ROCK AND ENGELHARD.

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.

LAT...LON 3548 7599 3541 7602 3542 7605 3541 7606
      3538 7606 3537 7621 3539 7623 3539 7628
      3555 7630 3564 7601 3552 7595 3551 7596
      3549 7595
TIME...MOT...LOC 0036Z 257DEG 9KT 3546 7623

$$

5

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 6, 8:00 PM EDTAreal Flood AdvisoryMHXDuplin, Onslow90 min
Aug 6, 8:13 PM EDTSpecial Weather StatementMHXHyde62 min
Aug 6, 9:00 PM EDTSpecial Weather StatementMHXHyde, Tyrrell60 min
Aug 7, 3:28 PM EDTHeat AdvisoryMHXBeaufort, Dare, Duplin, Greene, Hyde, Jones and 6 more29 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.