Alert archive / Virginia / Tornado Warnings in 2011

Tornado Warning 83, NWS Wakefield, VA

October 13, 2011Caroline County, Hanover County, Louisa County, Virginia

NWS Wakefield, VA issued this tornado warning at Oct 13, 2011, 6:04 PM EDT for Caroline County, Hanover County, Louisa County, Virginia. It was in force for 26 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
Oct 13, 2011, 6:04 PM EDT (22:04 UTC)
Expired
Oct 13, 2011, 6:30 PM EDT
In force
26 min
Issued by
NWS Wakefield, VA
Area
Storm-based polygon

Counties Caroline County, VA, Hanover County, VA, Louisa County, VA

The radar

The Sterling radar (KLWX), 112 km from the middle of the area, began a volume at 22:07 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
Oct 13, 4:28 PM EDTTornado WatchSPC4 hr

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 10.1 hours before the alert went out and 110 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, Washington/Dulle, VA at 12:00Z on 2011-10-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 69 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, Washington/Dulle, VA at 12:00Z on 2011-10-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 115 square meters per square second.193958Sfc1 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
69 J/kg
Mixed-layer CIN
-167 J/kg
Mixed-layer LCL
451 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
115 m²/s²
0-3 km storm-relative helicity
180 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.

852 
WFUS51 KAKQ 132204
TORAKQ
VAC033-085-109-132230-
/O.NEW.KAKQ.TO.W.0083.111013T2204Z-111013T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE WAKEFIELD VA
604 PM EDT THU OCT 13 2011

THE NATIONAL WEATHER SERVICE IN WAKEFIELD HAS ISSUED A

* TORNADO WARNING FOR...
  WEST CENTRAL CAROLINE COUNTY IN NORTH CENTRAL VIRGINIA...
  NORTHWESTERN HANOVER COUNTY IN CENTRAL VIRGINIA...
  EXTREME EAST CENTRAL LOUISA COUNTY IN CENTRAL VIRGINIA...

* UNTIL 630 PM EDT

* AT 559 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR MONTPELIER...AND MOVING NORTH AT 30 MPH.

* THIS DANGEROUS STORM WILL BE NEAR...
  BEAVERDAM AROUND 610 PM EDT.
  RUTHER GLEN AROUND 620 PM EDT.

OTHER LOCATIONS IMPACTED BY THIS DANGEROUS STORM INCLUDE CHILESBURG.

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.

MOTORISTS SHOULD NOT TAKE SHELTER UNDER HIGHWAY OVERPASSES. AS A LAST
RESORT...EITHER PARK YOUR VEHICLE AND STAY PUT...OR ABANDON YOUR
VEHICLE AND LIE DOWN IN A LOW LYING AREA.

&&

LAT...LON 3801 7752 3785 7766 3788 7773 3802 7771
      3800 7764 3804 7760
TIME...MOT...LOC 2204Z 199DEG 25KT 3791 7767

$$

BHURLEY
2 follow-up statements
792 
WWUS51 KAKQ 132216
SVSAKQ

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WAKEFIELD VA
616 PM EDT THU OCT 13 2011

VAC033-085-109-132230-
/O.CON.KAKQ.TO.W.0083.000000T0000Z-111013T2230Z/
HANOVER VA-CAROLINE VA-LOUISA VA-
616 PM EDT THU OCT 13 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR EXTREME EAST CENTRAL
LOUISA...EXTREME WEST CENTRAL CAROLINE AND EXTREME NORTHWESTERN
HANOVER COUNTIES UNTIL 630 PM EDT...

AT 613 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS 
STORM WAS LOCATED NEAR BEAVERDAM...MOVING NORTH AT 30 MPH.

THIS DANGEROUS STORM WILL AFFECT MAINLY RURAL AREAS OF EXTREME EAST
CENTRAL LOUISA...EXTREME NORTHWESTERN HANOVER AND EXTREME WEST
CENTRAL CAROLINE COUNTIES.

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.

MOTORISTS SHOULD NOT TAKE SHELTER UNDER HIGHWAY OVERPASSES. AS A LAST
RESORT... EITHER PARK YOUR VEHICLE AND STAY PUT...OR ABANDON YOUR
VEHICLE AND LIE DOWN IN A LOW LYING AREA.

&&

LAT...LON 3804 7759 3794 7764 3792 7772 3802 7771
      3800 7764 3804 7760
TIME...MOT...LOC 2216Z 199DEG 25KT 3799 7763

$$

BHURLEY
028 
WWUS51 KAKQ 132235
SVSAKQ

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WAKEFIELD VA
635 PM EDT THU OCT 13 2011

VAC033-085-109-132245-
/O.EXP.KAKQ.TO.W.0083.000000T0000Z-111013T2230Z/
HANOVER VA-CAROLINE VA-LOUISA VA-
635 PM EDT THU OCT 13 2011

...THE TORNADO WARNING FOR EXTREME EAST CENTRAL LOUISA...EXTREME WEST
CENTRAL CAROLINE AND EXTREME NORTHWESTERN HANOVER COUNTIES HAS
EXPIRED...

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

ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A TORNADO 
WATCH REMAINS IN EFFECT UNTIL 11 PM EDT.

LAT...LON 3804 7759 3794 7764 3792 7772 3802 7771
      3800 7764 3804 7760
TIME...MOT...LOC 2216Z 199DEG 25KT 3799 7762

$$

BHURLEY

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 13, 2:33 AM EDTCoastal Flood AdvisoryAKQNorthumberland, Westmoreland4 hr
Oct 13, 3:30 AM EDTSpecial Weather StatementAKQChesterfield, Goochland, Powhatan, City of Richmond60 min
Oct 13, 6:31 AM EDTSpecial Weather StatementAKQCumberland, Goochland, Prince Edward59 min
Oct 13, 7:01 AM EDTSmall Craft AdvisoryAKQ3 hr
Oct 13, 11:18 AM EDTCoastal Flood AdvisoryAKQAccomack, Lancaster, Northumberland, Westmoreland9 hr
Oct 13, 3:37 PM EDTTornado WarningAKQLouisa23 min
Oct 13, 3:46 PM EDTTornado WarningAKQGoochland, Hanover, Louisa29 min
Oct 13, 4:47 PM EDTTornado WarningAKQHanover, King William, New Kent28 min
Oct 13, 4:51 PM EDTSmall Craft AdvisoryAKQ59 hr
Oct 13, 5:13 PM EDTTornado WarningAKQEssex, King and Queen, King William31 min
Oct 13, 5:31 PM EDTSevere Thunderstorm WarningAKQCity of Chesapeake, City of Virginia Beach44 min
Oct 13, 5:32 PM EDTSpecial Marine WarningAKQ58 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.