Alert archive / Virginia / Tornado Warnings in 2011

Tornado Warning 68, NWS Wakefield, VA

September 6, 2011Lunenburg County, Mecklenburg County, Nottoway County, Virginia

NWS Wakefield, VA issued this tornado warning at Sep 6, 2011, 6:12 AM EDT for Lunenburg County, Mecklenburg County, Nottoway 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, 6:12 AM EDT (10:12 UTC)
Expired
Sep 6, 2011, 6:28 AM EDT
In force
16 min
Issued by
NWS Wakefield, VA
Area
Storm-based polygon

Counties Lunenburg County, VA, Mecklenburg County, VA, Nottoway County, VA

The radar

The Norfolk radar (KAKQ), 112 km from the middle of the area, began a volume at 10:12 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
Sep 6, 5:17 AM EDTTornado WatchSPC9 hr

The nearest sounding before it

Roanoke, VA (KRNK), launched 00:00Z, 10.2 hours before the alert went out and 112 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, Roanoke, VA at 00:00Z on 2011-09-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 272 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, Roanoke, VA at 00:00Z on 2011-09-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 108 square meters per square second.19395878Sfc1 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
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.

662 
WFUS51 KAKQ 061012
TORAKQ
VAC111-117-135-061045-
/O.NEW.KAKQ.TO.W.0068.110906T1012Z-110906T1045Z/

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

THE NATIONAL WEATHER SERVICE IN WAKEFIELD HAS ISSUED A

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

* UNTIL 645 AM EDT

* AT 608 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR CHASE CITY...AND MOVING NORTHEAST AT 30 MPH.

* THIS DANGEROUS STORM WILL BE NEAR...
  REHOBOTH AROUND 620 AM EDT.
  LUNENBURG AROUND 635 AM EDT.
  VICTORIA AROUND 640 AM EDT.
  THE FALLS AND KENBRIDGE AROUND 645 AM EDT.

OTHER LOCATIONS IMPACTED BY THIS DANGEROUS STORM INCLUDE LOVES
MILL...ORAL OAKS...NUTBUSH AND RUBERMOUNT.

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 3712 7820 3695 7803 3680 7844 3686 7848
TIME...MOT...LOC 1012Z 233DEG 27KT 3686 7842

$$

JM
1 follow-up statement
512 
WWUS51 KAKQ 061028
SVSAKQ

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

VAC111-117-135-061038-
/O.CAN.KAKQ.TO.W.0068.000000T0000Z-110906T1045Z/
NOTTOWAY VA-LUNENBURG VA-MECKLENBURG VA-
628 AM EDT TUE SEP 6 2011

...THE TORNADO WARNING FOR NORTH CENTRAL MECKLENBURG...LUNENBURG AND
WEST CENTRAL NOTTOWAY 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.

ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A TORNADO 
WATCH REMAINS IN EFFECT UNTIL 2 PM EDT.

LAT...LON 3712 7820 3695 7803 3680 7844 3686 7848
TIME...MOT...LOC 1028Z 233DEG 27KT 3693 7830

$$

JM

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 5, 8:29 PM EDTSpecial Weather StatementAKQCumberland, Goochland, Powhatan46 min
Sep 5, 10:58 PM EDTSpecial Weather StatementAKQFluvanna62 min
Sep 6, 12:16 AM EDTFlash Flood WarningAKQFluvanna, Louisa3 hr
Sep 6, 5:42 AM EDTTornado WarningAKQLunenburg, Mecklenburg33 min
Sep 6, 6:06 AM EDTTornado WarningAKQMecklenburg39 min
Sep 6, 6:41 AM EDTTornado WarningAKQLunenburg, Mecklenburg16 min
Sep 6, 8:26 AM EDTSpecial Weather StatementAKQMecklenburg64 min
Sep 6, 9:34 AM EDTSpecial Weather StatementAKQLunenburg61 min
Sep 6, 10:28 AM EDTSpecial Weather StatementAKQLunenburg, Mecklenburg62 min
Sep 6, 11:29 AM EDTSpecial Weather StatementAKQBrunswick61 min
Sep 6, 12:46 PM EDTSpecial Weather StatementAKQMecklenburg59 min
Sep 6, 1:47 PM EDTSpecial Weather StatementAKQSouthampton, Sussex, City of Franklin43 min
Sep 6, 2:31 PM EDTSpecial Weather StatementAKQCharles City, Isle of Wight, James City, New Kent, Prince George, Southampton and 4 more44 min
Sep 6, 2:33 PM EDTSpecial Weather StatementAKQSouthampton, City of Franklin42 min
Sep 6, 2:54 PM EDTSpecial Weather StatementAKQLunenburg, Mecklenburg36 min
Sep 6, 3:15 PM EDTSpecial Weather StatementAKQGloucester, Isle of Wight, York, City of Newport News, City of Williamsburg45 min
Sep 6, 3:56 PM EDTSpecial Weather StatementAKQGloucester, Lancaster, Mathews, Middlesex, Northumberland, York and 5 more49 min
Sep 6, 4:15 PM EDTSevere Thunderstorm WarningAKQBrunswick, Greensville, Lunenburg, Mecklenburg, City of Emporia45 min
Sep 6, 5:00 PM EDTSpecial Weather StatementAKQAmelia, Chesterfield, Dinwiddie, Greensville, Nottoway, Prince George and 3 more45 min
Sep 6, 5:01 PM EDTSpecial Weather StatementAKQAccomack, Northampton44 min
Sep 6, 5:27 PM EDTSpecial Weather StatementAKQSouthampton63 min
Sep 6, 5:39 PM EDTSpecial Weather StatementAKQHenrico, Prince George, Sussex, City of Colonial Heights, City of Hopewell, City of Petersburg51 min
Sep 6, 5:55 PM EDTSpecial Weather StatementAKQBrunswick, Greensville, City of Emporia35 min
Sep 6, 6:19 PM EDTSpecial Weather StatementAKQCharles City, Henrico, King William, New Kent, Prince George, Surry and 1 more56 min
Sep 6, 6:51 PM EDTSpecial Weather StatementAKQSouthampton, City of Franklin39 min
Sep 6, 6:56 PM EDTSpecial Weather StatementAKQIsle of Wight19 min
Sep 6, 7:12 PM EDTSpecial Weather StatementAKQEssex, Gloucester, Isle of Wight, James City, King and Queen, Middlesex and 9 more48 min
Sep 6, 7:30 PM EDTSpecial Weather StatementAKQGreensville, Southampton, Sussex, City of Emporia, City of Franklin45 min
Sep 6, 7:48 PM EDTSpecial Marine WarningAKQ87 min

Nearby

Tornado Warnings in Virginia, 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.