Alert archive / North Carolina / Tornado Warnings in 2011

Tornado Warning 23, NWS Wakefield, VA

April 16, 2011Bertie County, Chowan County, North Carolina

NWS Wakefield, VA issued this tornado warning at Apr 16, 2011, 7:45 PM EDT for Bertie County, Chowan County, North Carolina. It was in force for 30 min. 1 report 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, 7:45 PM EDT (23:45 UTC)
Expired: Apr 16, 2011, 8:15 PM EDT
In force: 30 min
Issued by: NWS Wakefield, VA
Area: Storm-based polygon

Counties Bertie County, NC, Chowan County, NC

The radar

The Norfolk radar (KAKQ), 113 km from the middle of the area, began a volume at 23:48 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

Time	Report	Where	Remark
Apr 16, 8:20 PM EDT	TSTM WND DMG	Ese Edenton, NC	TREES DOWN ON ROAD ON BELVIDERE ROAD AND ON POPLAR NECK ROAD.

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.

Issued	Product	Office	Lasted
Apr 16, 12:02 PM EDT	Tornado Watch PDS	SPC	11 hr

The nearest sounding before it

Newport, NC (KMHX), launched 12:00Z, 11.8 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 7 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 824 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 201 m²/s²
0-3 km storm-relative helicity: 308 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.

783 
WFUS51 KAKQ 162345
TORAKQ
NCC015-041-170015-
/O.NEW.KAKQ.TO.W.0023.110416T2345Z-110417T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE WAKEFIELD VA
745 PM EDT SAT APR 16 2011

THE NATIONAL WEATHER SERVICE IN WAKEFIELD HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN BERTIE COUNTY IN NORTHEAST NORTH CAROLINA...
  SOUTHWESTERN CHOWAN COUNTY IN NORTHEAST NORTH CAROLINA...

* UNTIL 815 PM EDT

* AT 740 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED 7 MILES EAST OF WILLIAMSTON...AND MOVING
  NORTHEAST AT 65 MPH.

* THIS DANGEROUS STORM WILL BE NEAR...
  EDENTON AND CAPE COLONY AROUND 800 PM EDT.
  VALHALLA AND ROCKYHOCK AROUND 805 PM EDT.

OTHER LOCATIONS IMPACTED BY THIS DANGEROUS STORM INCLUDE MIDWAY...
EDENHOUSE...MERRY HILL...MOUNT GOULD...MACEDONIA...HANCOCK...MAVATON
AND CISCO.

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

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.

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR
THE TORNADO. TAKE COVER NOW.

&&

LAT...LON 3590 7693 3585 7700 3587 7705 3614 7674
      3613 7674 3611 7671 3615 7673 3622 7665
      3604 7651 3600 7656 3604 7662 3603 7665
      3610 7671 3599 7667 3596 7672 3593 7669
      3589 7673 3586 7678 3588 7682 3581 7688
TIME...MOT...LOC 2345Z 223DEG 56KT 3590 7687

$$

44

1 follow-up statement

421 
WWUS51 KAKQ 170009
SVSAKQ

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WAKEFIELD VA
809 PM EDT SAT APR 16 2011

NCC015-170019-
/O.CAN.KAKQ.TO.W.0023.000000T0000Z-110417T0015Z/
BERTIE NC-
809 PM EDT SAT APR 16 2011

...THE TORNADO WARNING FOR SOUTHEASTERN BERTIE COUNTY IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA.

LAT...LON 3604 7662 3603 7665 3609 7670 3610 7670
      3611 7672 3612 7671 3615 7673 3622 7665
      3612 7657 3611 7658 3604 7651 3600 7656
TIME...MOT...LOC 0009Z 223DEG 56KT 3617 7655

$$

NCC041-170015-
/O.CON.KAKQ.TO.W.0023.000000T0000Z-110417T0015Z/
CHOWAN NC-
809 PM EDT SAT APR 16 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHWESTERN CHOWAN COUNTY
UNTIL 815 PM EDT...

AT 805 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR VALHALLA...OR NEAR EDENTON...MOVING NORTHEAST
AT 65 MPH.

THIS DANGEROUS STORM WILL AFFECT MAINLY RURAL AREAS OF SOUTHWESTERN
CHOWAN COUNTY.

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.

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR
THE TORNADO. TAKE COVER NOW.

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

&&

LAT...LON 3604 7662 3603 7665 3609 7670 3610 7670
      3611 7672 3612 7671 3615 7673 3622 7665
      3612 7657 3611 7658 3604 7651 3600 7656
TIME...MOT...LOC 0009Z 223DEG 56KT 3617 7655

$$

ALBRIGHT

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 16, 5:12 PM EDT	Tornado Warning	AKQ	Northampton	33 min
Apr 16, 6:35 PM EDT	Tornado Warning	AKQ	Bertie	40 min
Apr 16, 6:35 PM EDT	Tornado Warning	AKQ	Hertford, Northampton	25 min
Apr 16, 7:06 PM EDT	Tornado Warning	AKQ	Bertie, Chowan, Gates, Hertford	39 min
Apr 16, 7:19 PM EDT	Tornado Warning	AKQ	Bertie	26 min
Apr 16, 7:29 PM EDT	Tornado Warning	AKQ	Camden, Gates, Pasquotank	31 min
Apr 16, 7:47 PM EDT	Severe Thunderstorm Warning	AKQ	Gates, Hertford, Northampton	28 min

Nearby

Tornado Warnings in North Carolina, 2011 Every tornado warning in 2011 Tornadoes 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.