Alert archive / North Carolina / Tornado Warnings in 2011

Tornado Warning 65, NWS Wakefield, VA

August 29, 2011Bertie County, Chowan County, North Carolina

NWS Wakefield, VA issued this tornado warning at Aug 29, 2011, 4:49 PM EDT for Bertie County, Chowan County, North Carolina. It was in force for 26 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 29, 2011, 4:49 PM EDT (20:49 UTC)
Expired
Aug 29, 2011, 5:15 PM EDT
In force
26 min
Issued by
NWS Wakefield, VA
Area
Storm-based polygon

Counties Bertie County, NC, Chowan County, NC

The radar

The Norfolk radar (KAKQ), 102 km from the middle of the area, began a volume at 20:50 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
Aug 29, 3:28 PM EDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Newport, NC (KMHX), launched 12:00Z, 8.8 hours before the alert went out and 148 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 2011-08-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1590 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 2011-08-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 22 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
1590 J/kg
Mixed-layer CIN
-37 J/kg
Mixed-layer LCL
913 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
22 m²/s²
0-3 km storm-relative helicity
29 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.1

Open this sounding in Storm Lab

The text

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

865 
WFUS51 KAKQ 292049
TORAKQ
NCC015-041-292115-
/O.NEW.KAKQ.TO.W.0065.110829T2049Z-110829T2115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE WAKEFIELD VA
449 PM EDT MON AUG 29 2011

THE NATIONAL WEATHER SERVICE IN WAKEFIELD HAS ISSUED A

* TORNADO WARNING FOR...
  EAST CENTRAL BERTIE COUNTY IN NORTHEAST NORTH CAROLINA...
  WEST CENTRAL CHOWAN COUNTY IN NORTHEAST NORTH CAROLINA...

* UNTIL 515 PM EDT

* AT 446 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR WAKELON...AND MOVING SOUTHEAST AT 15 MPH.

* THIS DANGEROUS STORM WILL AFFECT MAINLY RURAL AREAS OF EAST CENTRAL
  BERTIE AND WEST CENTRAL CHOWAN COUNTIES...INCLUDING THE FOLLOWING
  LOCATIONS MOUNT GOULD...MIDWAY...EDENHOUSE...MACEDONIA AND HANCOCK.

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...A VEHICLE... OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3610 7687 3617 7680 3615 7674 3609 7671
      3610 7670 3611 7672 3614 7671 3611 7661
      3603 7666 3605 7670 3609 7671 3606 7672
      3601 7667 3596 7670
TIME...MOT...LOC 2049Z 299DEG 13KT 3611 7679

$$

SCALORA
1 follow-up statement
620 
WWUS51 KAKQ 292113
SVSAKQ

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WAKEFIELD VA
513 PM EDT MON AUG 29 2011

NCC015-041-292123-
/O.EXP.KAKQ.TO.W.0065.000000T0000Z-110829T2115Z/
CHOWAN NC-BERTIE NC-
513 PM EDT MON AUG 29 2011

...THE TORNADO WARNING FOR EAST CENTRAL BERTIE AND WEST CENTRAL
CHOWAN COUNTIES WILL EXPIRE AT 515 PM EDT...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY
FROM HAIL OR DAMAGING WINDS.  HOWEVER GUSTY WINDS ARE STILL POSSIBLE
WITH THIS THUNDERSTORM.

IN ADDITION...STRONG THUNDERSTORMS MAY REDEVELOP...AND A SEVERE 
THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 11 PM.

PLEASE SEND YOUR REPORTS OF HAIL AND OR WIND DAMAGE...INCLUDING TREES
OR LARGE LIMBS DOWNED...BY CALLING NOAA'S NATIONAL WEATHER SERVICE
AT...1...800...7 3 7...8 6 2 4 IN WAKEFIELD.

LAT...LON 3610 7687 3617 7680 3615 7674 3609 7671
      3610 7670 3611 7672 3614 7671 3611 7661
      3603 7666 3605 7670 3609 7671 3606 7672
      3601 7667 3596 7670
TIME...MOT...LOC 2113Z 299DEG 13KT 3607 7670

$$

SCALORA

The office that day

Everything else NWS Wakefield, VA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 29, 3:28 PM EDTSpecial Weather StatementAKQGates32 min
Aug 29, 3:37 PM EDTSpecial Weather StatementAKQHertford23 min
Aug 29, 3:46 PM EDTSpecial Weather StatementAKQNorthampton59 min
Aug 29, 3:55 PM EDTSevere Thunderstorm WarningAKQGates, Hertford50 min
Aug 29, 4:00 PM EDTTornado WarningAKQBertie, Hertford30 min
Aug 29, 4:29 PM EDTTornado WarningAKQBertie, Chowan, Gates, Hertford31 min
Aug 29, 5:05 PM EDTSevere Thunderstorm WarningAKQBertie25 min
Aug 29, 5:22 PM EDTSpecial Weather StatementAKQChowan23 min
Aug 29, 5:43 PM EDTSpecial Weather StatementAKQBertie32 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.