Alert archive / North Carolina / Tornado Warnings in 2011

Tornado Warning 47, NWS Wakefield, VA

April 28, 2011Camden County, Currituck County, Pasquotank County, North Carolina

NWS Wakefield, VA issued this tornado warning at Apr 28, 2011, 6:37 PM EDT for Camden County, Currituck County, Pasquotank County, North Carolina. It was in force for 23 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, 6:37 PM EDT (22:37 UTC)
Expired: Apr 28, 2011, 7:00 PM EDT
In force: 23 min
Issued by: NWS Wakefield, VA
Area: Storm-based polygon

Counties Camden County, NC, Currituck County, NC, Pasquotank County, NC

The radar

The Norfolk radar (KAKQ), 125 km from the middle of the area, began a volume at 22:36 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.

Issued	Product	Office	Lasted
Apr 28, 2:41 PM EDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Newport, NC (KMHX), launched 12:00Z, 10.6 hours before the alert went out and 182 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: 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.

252 
WFUS51 KAKQ 282237
TORAKQ
NCC029-053-139-282300-
/O.NEW.KAKQ.TO.W.0047.110428T2237Z-110428T2300Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE WAKEFIELD VA
637 PM EDT THU APR 28 2011

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN CAMDEN COUNTY IN NORTHEAST NORTH CAROLINA...
  SOUTHEASTERN CURRITUCK COUNTY IN NORTHEAST NORTH CAROLINA...
  SOUTHEASTERN PASQUOTANK COUNTY IN NORTHEAST NORTH CAROLINA...

* UNTIL 700 PM EDT

* AT 632 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED 10 MILES NORTHEAST OF COLUMBIA...OR 12 MILES
  SOUTH OF WEEKSVILLE...AND MOVING NORTHEAST AT 65 MPH.

* THIS DANGEROUS STORM WILL BE NEAR...
  OLD TRAP AROUND 645 PM EDT.
  GRANDY AROUND 650 PM EDT.
  COROLLA AROUND 655 PM EDT.

OTHER LOCATIONS IMPACTED BY THIS DANGEROUS STORM INCLUDE TEXAS...
GOOSE CREEK...POWELLS POINT...JARVISBURG...BERTHA...POPLAR BRANCH AND
AYDLETT.

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.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE.

&&

LAT...LON 3625 7595 3615 7592 3619 7605 3614 7606
      3611 7619 3611 7620 3621 7611 3620 7606
      3624 7609 3642 7592 3641 7592 3629 7587
      3649 7586 3622 7577 3628 7582 3623 7586
      3611 7579 3609 7585
TIME...MOT...LOC 2237Z 228DEG 58KT 3609 7607

$$

ALBRIGHT

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 28, 3:09 PM EDT	Special Weather Statement	AKQ	Bertie, Gates, Hertford	36 min
Apr 28, 4:14 PM EDT	Tornado Warning	AKQ	Bertie, Chowan, Perquimans	46 min
Apr 28, 4:51 PM EDT	Tornado Warning	AKQ	Camden, Currituck, Pasquotank	24 min
Apr 28, 4:54 PM EDT	Severe Thunderstorm Warning	AKQ	Camden, Chowan, Currituck, Gates, Pasquotank, Perquimans	66 min
Apr 28, 4:58 PM EDT	Tornado Warning	AKQ	Camden, Pasquotank, Perquimans	17 min
Apr 28, 5:11 PM EDT	Tornado Warning	AKQ	Camden, Currituck, Pasquotank	19 min
Apr 28, 5:28 PM EDT	Tornado Warning	AKQ	Currituck	32 min
Apr 28, 6:13 PM EDT	Tornado Warning	AKQ	Camden, Currituck	32 min
Apr 28, 7:02 PM EDT	Special Weather Statement	AKQ	Currituck	13 min
Apr 28, 7:21 PM EDT	Special Weather Statement	AKQ	Bertie, Chowan, Gates	39 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.