Alert archive / North Carolina / Tornado Warnings in 2011

Tornado Warning 37, NWS Newport/Morehead City, NC

August 6, 2011Greene County, Pitt County, North Carolina

NWS Newport/Morehead City, NC issued this tornado warning at Aug 6, 2011, 12:13 PM EDT for Greene County, Pitt County, North Carolina. It was in force for 19 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, 12:13 PM EDT (16:13 UTC)
Expired
Aug 6, 2011, 12:32 PM EDT
In force
19 min
Issued by
NWS Newport/Morehead City, NC
Area
Storm-based polygon

Counties Greene County, NC, Pitt County, NC

The radar

The Raleigh/Durham radar (KRAX), 71 km from the middle of the area, began a volume at 16:13 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, 4.2 hours before the alert went out and 118 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 2011-08-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1490 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 2011-08-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 33 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
1490 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
703 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
33 m²/s²
0-3 km storm-relative helicity
46 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.4

Open this sounding in Storm Lab

The text

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

725 
WFUS52 KMHX 061613
TORMHX
NCC079-147-061645-
/O.NEW.KMHX.TO.W.0037.110806T1613Z-110806T1645Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
1213 PM EDT SAT AUG 6 2011

THE NATIONAL WEATHER SERVICE IN NEWPORT HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN GREENE COUNTY IN EASTERN NORTH CAROLINA
  WEST CENTRAL PITT COUNTY IN EASTERN NORTH CAROLINA

* UNTIL 1245 PM EDT

* AT 1208 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO OVER WALSTONBURG...OR 8 MILES WEST OF FARMVILLE...MOVING
  EAST AT 15 MPH.

* LOCATIONS IMPACTED INCLUDE...WALSTONBURG...FOUNTAIN...FARMVILLE...

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.

THIS STORM WILL ALSO PRODUCE HEAVY RAINFALL...WHICH WILL FLOOD LOW
LYING AREAS SUCH AS DITCHES...UNDERPASSES AND OTHER AREAS OF POOR
DRAINAGE. AVOID THESE AREAS AND DO NOT CROSS FLOODED ROADS. MOTORISTS
SHOULD ALSO REDUCE DRIVING SPEEDS TO AVOID HYDROPLANING.

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 3560 7778 3567 7768 3571 7760 3553 7750
      3550 7777 3558 7782
TIME...MOT...LOC 1613Z 251DEG 13KT 3558 7771

$$
DAG
1 follow-up statement
886 
WWUS52 KMHX 061632
SVSMHX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
1232 PM EDT SAT AUG 6 2011

NCC079-147-061642-
/O.CAN.KMHX.TO.W.0037.000000T0000Z-110806T1645Z/
GREENE NC-PITT NC-
1232 PM EDT SAT AUG 6 2011

...THE TORNADO WARNING FOR WEST CENTRAL PITT AND NORTHERN GREENE
COUNTIES IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED 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.

LAT...LON 3560 7778 3567 7768 3571 7760 3553 7750
      3550 7777 3558 7782
TIME...MOT...LOC 1632Z 251DEG 13KT 3560 7763

$$
DAG

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 6, 10:57 AM EDTRip Current StatementMHX9 hr
Aug 6, 11:29 AM EDTSpecial Weather StatementMHXOnslow61 min
Aug 6, 11:44 AM EDTSpecial Weather StatementMHXGreene61 min
Aug 6, 12:37 PM EDTSpecial Weather StatementMHXOnslow53 min
Aug 6, 12:54 PM EDTSpecial Weather StatementMHXGreene, Pitt66 min
Aug 6, 1:03 PM EDTSpecial Weather StatementMHXCraven57 min
Aug 6, 1:50 PM EDTSpecial Weather StatementMHXTyrrell55 min
Aug 6, 2:01 PM EDTSpecial Weather StatementMHXBeaufort59 min
Aug 6, 3:01 PM EDTSpecial Weather StatementMHXGreene59 min
Aug 6, 4:00 PM EDTHeat AdvisoryMHXBeaufort, Dare, Duplin, Greene, Hyde, Jones and 6 more28 hr
Aug 6, 4:06 PM EDTSmall Craft AdvisoryMHX36 hr
Aug 6, 4:12 PM EDTSpecial Marine WarningMHX48 min
Aug 6, 4:48 PM EDTSpecial Weather StatementMHXDuplin57 min
Aug 6, 5:11 PM EDTSpecial Weather StatementMHXOnslow64 min
Aug 6, 5:47 PM EDTSpecial Weather StatementMHXJones, Onslow58 min
Aug 6, 6:19 PM EDTAreal Flood AdvisoryMHXDuplin, Onslow86 min
Aug 6, 6:29 PM EDTSpecial Weather StatementMHXHyde46 min
Aug 6, 6:41 PM EDTAreal Flood WarningMHXDuplin, Onslow79 min
Aug 6, 6:44 PM EDTSpecial Weather StatementMHXOnslow46 min
Aug 6, 6:52 PM EDTSpecial Weather StatementMHXDuplin38 min
Aug 6, 7:21 PM EDTSpecial Weather StatementMHXHyde54 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.