Alert archive / Virginia / Tornado Warnings in 2011

Tornado Warning 69, NWS Wakefield, VA

September 6, 2011Lunenburg County, Mecklenburg County, Virginia

NWS Wakefield, VA issued this tornado warning at Sep 6, 2011, 6:41 AM EDT for Lunenburg County, Mecklenburg County, Virginia. It was in force for 16 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: Sep 6, 2011, 6:41 AM EDT (10:41 UTC)
Expired: Sep 6, 2011, 6:57 AM EDT
In force: 16 min
Issued by: NWS Wakefield, VA
Area: Storm-based polygon

Counties Lunenburg County, VA, Mecklenburg County, VA

The radar

The Raleigh/Durham radar (KRAX), 121 km from the middle of the area, began a volume at 10:45 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
Sep 6, 5:17 AM EDT	Tornado Watch	SPC	9 hr

The nearest sounding before it

Roanoke, VA (KRNK), launched 00:00Z, 10.7 hours before the alert went out and 115 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: 272 J/kg
Mixed-layer CIN: -18 J/kg
Mixed-layer LCL: 634 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 108 m²/s²
0-3 km storm-relative helicity: 170 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 1.0

Open this sounding in Storm Lab

The text

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

406 
WFUS51 KAKQ 061041
TORAKQ
VAC111-117-061130-
/O.NEW.KAKQ.TO.W.0069.110906T1041Z-110906T1130Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE WAKEFIELD VA
641 AM EDT TUE SEP 6 2011

THE NATIONAL WEATHER SERVICE IN WAKEFIELD HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTH CENTRAL LUNENBURG COUNTY IN SOUTH CENTRAL VIRGINIA...
  MECKLENBURG COUNTY IN SOUTH CENTRAL VIRGINIA...

* UNTIL 730 AM EDT

* AT 640 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR CLARKSVILLE...AND MOVING NORTHEAST AT 30
  MPH.

* THIS DANGEROUS STORM WILL BE NEAR...
  SKIPWITH AROUND 650 AM EDT.
  BOYDTON AROUND 655 AM EDT.
  SOUTH HILL AROUND 725 AM EDT.

OTHER LOCATIONS IMPACTED BY THIS DANGEROUS STORM INCLUDE ROGERS
CORNER...BASKERVILLE...WIGHTMAN...NORTH VIEW AND WILBURN.

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 3687 7825 3670 7809 3661 7853 3666 7855
TIME...MOT...LOC 1042Z 240DEG 24KT 3664 7851

$$

JM

2 follow-up statements

753 
WWUS51 KAKQ 061053
SVSAKQ

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WAKEFIELD VA
653 AM EDT TUE SEP 6 2011

VAC111-117-061130-
/O.CON.KAKQ.TO.W.0069.000000T0000Z-110906T1130Z/
LUNENBURG VA-MECKLENBURG VA-
653 AM EDT TUE SEP 6 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL MECKLENBURG AND
SOUTH CENTRAL LUNENBURG COUNTIES UNTIL 730 AM EDT...

AT 649 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR SKIPWITH...OR NEAR BOYDTON...MOVING NORTHEAST
AT 35 MPH.

THIS DANGEROUS STORM WILL AFFECT MAINLY RURAL AREAS OF CENTRAL
MECKLENBURG AND SOUTH CENTRAL LUNENBURG COUNTIES...INCLUDING THE
FOLLOWING LOCATIONS WIGHTMAN...NORTH VIEW AND WILBURN.

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 3667 7845 3670 7849 3687 7825 3679 7818
TIME...MOT...LOC 1053Z 233DEG 29KT 3671 7842

$$

JM

045 
WWUS51 KAKQ 061057
SVSAKQ

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WAKEFIELD VA
657 AM EDT TUE SEP 6 2011

VAC111-117-061108-
/O.CAN.KAKQ.TO.W.0069.000000T0000Z-110906T1130Z/
LUNENBURG VA-MECKLENBURG VA-
657 AM EDT TUE SEP 6 2011

...THE TORNADO WARNING FOR NORTH CENTRAL MECKLENBURG AND SOUTH
CENTRAL LUNENBURG COUNTIES IS CANCELLED...

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.

LAT...LON 3667 7845 3670 7849 3687 7825 3679 7818
TIME...MOT...LOC 1058Z 233DEG 29KT 3673 7838

$$

JM

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 5, 8:29 PM EDT	Special Weather Statement	AKQ	Cumberland, Goochland, Powhatan	46 min
Sep 5, 10:58 PM EDT	Special Weather Statement	AKQ	Fluvanna	62 min
Sep 6, 12:16 AM EDT	Flash Flood Warning	AKQ	Fluvanna, Louisa	3 hr
Sep 6, 5:42 AM EDT	Tornado Warning	AKQ	Lunenburg, Mecklenburg	33 min
Sep 6, 6:06 AM EDT	Tornado Warning	AKQ	Mecklenburg	39 min
Sep 6, 6:12 AM EDT	Tornado Warning	AKQ	Lunenburg, Mecklenburg, Nottoway	16 min
Sep 6, 8:26 AM EDT	Special Weather Statement	AKQ	Mecklenburg	64 min
Sep 6, 9:34 AM EDT	Special Weather Statement	AKQ	Lunenburg	61 min
Sep 6, 10:28 AM EDT	Special Weather Statement	AKQ	Lunenburg, Mecklenburg	62 min
Sep 6, 11:29 AM EDT	Special Weather Statement	AKQ	Brunswick	61 min
Sep 6, 12:46 PM EDT	Special Weather Statement	AKQ	Mecklenburg	59 min
Sep 6, 1:47 PM EDT	Special Weather Statement	AKQ	Southampton, Sussex, City of Franklin	43 min
Sep 6, 2:31 PM EDT	Special Weather Statement	AKQ	Charles City, Isle of Wight, James City, New Kent, Prince George, Southampton and 4 more	44 min
Sep 6, 2:33 PM EDT	Special Weather Statement	AKQ	Southampton, City of Franklin	42 min
Sep 6, 2:54 PM EDT	Special Weather Statement	AKQ	Lunenburg, Mecklenburg	36 min
Sep 6, 3:15 PM EDT	Special Weather Statement	AKQ	Gloucester, Isle of Wight, York, City of Newport News, City of Williamsburg	45 min
Sep 6, 3:56 PM EDT	Special Weather Statement	AKQ	Gloucester, Lancaster, Mathews, Middlesex, Northumberland, York and 5 more	49 min
Sep 6, 4:15 PM EDT	Severe Thunderstorm Warning	AKQ	Brunswick, Greensville, Lunenburg, Mecklenburg, City of Emporia	45 min
Sep 6, 5:00 PM EDT	Special Weather Statement	AKQ	Amelia, Chesterfield, Dinwiddie, Greensville, Nottoway, Prince George and 3 more	45 min
Sep 6, 5:01 PM EDT	Special Weather Statement	AKQ	Accomack, Northampton	44 min
Sep 6, 5:27 PM EDT	Special Weather Statement	AKQ	Southampton	63 min
Sep 6, 5:39 PM EDT	Special Weather Statement	AKQ	Henrico, Prince George, Sussex, City of Colonial Heights, City of Hopewell, City of Petersburg	51 min
Sep 6, 5:55 PM EDT	Special Weather Statement	AKQ	Brunswick, Greensville, City of Emporia	35 min
Sep 6, 6:19 PM EDT	Special Weather Statement	AKQ	Charles City, Henrico, King William, New Kent, Prince George, Surry and 1 more	56 min
Sep 6, 6:51 PM EDT	Special Weather Statement	AKQ	Southampton, City of Franklin	39 min
Sep 6, 6:56 PM EDT	Special Weather Statement	AKQ	Isle of Wight	19 min
Sep 6, 7:12 PM EDT	Special Weather Statement	AKQ	Essex, Gloucester, Isle of Wight, James City, King and Queen, Middlesex and 9 more	48 min
Sep 6, 7:30 PM EDT	Special Weather Statement	AKQ	Greensville, Southampton, Sussex, City of Emporia, City of Franklin	45 min
Sep 6, 7:48 PM EDT	Special Marine Warning	AKQ		87 min

Nearby

Tornado Warnings in Virginia, 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.