Alert archive / Virginia / Tornado Warnings in 2011

Tornado Warning 67, NWS Wakefield, VA

September 6, 2011Mecklenburg County, Virginia

NWS Wakefield, VA issued this tornado warning at Sep 6, 2011, 6:06 AM EDT for Mecklenburg County, Virginia. It was in force for 39 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, 6:06 AM EDT (10:06 UTC)
Expired
Sep 6, 2011, 6:45 AM EDT
In force
39 min
Issued by
NWS Wakefield, VA
Area
Storm-based polygon

County Mecklenburg County, VA

The radar

The Raleigh/Durham radar (KRAX), 108 km from the middle of the area, began a volume at 10:09 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, 10.1 hours before the alert went out and 99 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.

713 
WFUS51 KAKQ 061006
TORAKQ
VAC117-061045-
/O.NEW.KAKQ.TO.W.0067.110906T1006Z-110906T1045Z/

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

THE NATIONAL WEATHER SERVICE IN WAKEFIELD HAS ISSUED A

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

* UNTIL 645 AM EDT

* AT 603 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR VIRGILINA...AND MOVING NORTHEAST AT 30 MPH.

* THIS DANGEROUS STORM WILL BE NEAR...
  BUFFALO JUNCTION AROUND 625 AM EDT.
  BUFFALO SPRINGS AROUND 630 AM EDT.
  CLARKSVILLE AROUND 635 AM EDT.

OTHER LOCATIONS IMPACTED BY THIS DANGEROUS STORM INCLUDE NELSON AND
FINCHLEY.

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 3655 7874 3658 7872 3663 7872 3670 7866
      3670 7865 3671 7865 3676 7861 3662 7839
      3653 7857 3654 7873
TIME...MOT...LOC 1007Z 222DEG 26KT 3650 7875

$$

JM
3 follow-up statements
161 
WWUS51 KAKQ 061023
SVSAKQ

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

VAC117-061045-
/O.CON.KAKQ.TO.W.0067.000000T0000Z-110906T1045Z/
MECKLENBURG VA-
623 AM EDT TUE SEP 6 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHWESTERN MECKLENBURG
COUNTY UNTIL 645 AM EDT...

AT 622 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR BUFFALO JUNCTION...OR 6 MILES SOUTHWEST OF
CLARKSVILLE...MOVING NORTHEAST AT 30 MPH.

THIS DANGEROUS STORM WILL BE NEAR...
  CLARKSVILLE AROUND 630 AM EDT.

OTHER LOCATIONS IMPACTED BY THIS DANGEROUS STORM INCLUDE FINCHLEY.

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 3664 7843 3655 7864 3659 7869 3675 7859
TIME...MOT...LOC 1023Z 222DEG 28KT 3659 7865

$$

JM
512 
WWUS51 KAKQ 061034
SVSAKQ

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

VAC117-061045-
/O.CON.KAKQ.TO.W.0067.000000T0000Z-110906T1045Z/
MECKLENBURG VA-
634 AM EDT TUE SEP 6 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR WEST CENTRAL MECKLENBURG
COUNTY UNTIL 645 AM EDT...

AT 631 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR CLARKSVILLE...MOVING NORTHEAST AT 30 MPH.

THIS DANGEROUS STORM WILL AFFECT MAINLY RURAL AREAS OF WEST CENTRAL
MECKLENBURG COUNTY...INCLUDING THE FOLLOWING LOCATIONS FINCHLEY.

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 3665 7844 3658 7859 3662 7862 3672 7855
TIME...MOT...LOC 1034Z 225DEG 26KT 3664 7858

$$

JM
181 
WWUS51 KAKQ 061042
SVSAKQ

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

VAC117-061052-
/O.EXP.KAKQ.TO.W.0067.000000T0000Z-110906T1045Z/
MECKLENBURG VA-
642 AM EDT TUE SEP 6 2011

...THE TORNADO WARNING FOR WEST CENTRAL MECKLENBURG COUNTY IS BEING
REISSUED...

PLEASE REFER TO THAT BULLETIN FOR THE LATEST SEVERE WEATHER
INFORMATION.

LAT...LON 3665 7844 3658 7859 3662 7862 3672 7855
TIME...MOT...LOC 1042Z 225DEG 26KT 3668 7853

$$

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, 6:12 AM EDTTornado WarningAKQLunenburg, Mecklenburg, Nottoway16 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.