Alert archive / Virginia / Tornado Warnings in 2011

Tornado Warning 9, NWS Wakefield, VA

April 16, 2011Fluvanna County, Goochland County, Louisa County, Virginia

NWS Wakefield, VA issued this tornado warning at Apr 16, 2011, 4:32 PM EDT for Fluvanna County, Goochland County, Louisa County, Virginia. It was in force for 28 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 16, 2011, 4:32 PM EDT (20:32 UTC)
Expired: Apr 16, 2011, 5:00 PM EDT
In force: 28 min
Issued by: NWS Wakefield, VA
Area: Storm-based polygon

Counties Fluvanna County, VA, Goochland County, VA, Louisa County, VA

The radar

The Sterling radar (KLWX), 111 km from the middle of the area, began a volume at 20:33 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 16, 12:02 PM EDT	Tornado Watch PDS	SPC	11 hr

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 8.5 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-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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 533 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: 473 m²/s²
0-3 km storm-relative helicity: 699 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.

394 
WFUS51 KAKQ 162032
TORAKQ
VAC065-075-109-162100-
/O.NEW.KAKQ.TO.W.0009.110416T2032Z-110416T2100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE WAKEFIELD VA
432 PM EDT SAT APR 16 2011

THE NATIONAL WEATHER SERVICE IN WAKEFIELD HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN FLUVANNA COUNTY IN CENTRAL VIRGINIA...
  NORTHWESTERN GOOCHLAND COUNTY IN CENTRAL VIRGINIA...
  NORTHWESTERN LOUISA COUNTY IN CENTRAL VIRGINIA...

* UNTIL 500 PM EDT

* AT 431 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR KENTS STORE...OR 6 MILES EAST OF PALMYRA...
  AND MOVING NORTHEAST AT 65 MPH.

* THIS DANGEROUS STORM WILL BE NEAR...
  LOUISA AROUND 440 PM EDT.

OTHER LOCATIONS IMPACTED BY THIS DANGEROUS STORM INCLUDE BYRD MILL...
TREVILIANS...LOUISA AIRPORT...GREEN SPRINGS AND VAWTER CORNER.

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 3816 7810 3814 7806 3814 7801 3812 7797
      3812 7789 3810 7783 3809 7782 3776 7812
      3785 7829
TIME...MOT...LOC 2032Z 209DEG 57KT 3790 7814

$$

BHURLEY

1 follow-up statement

135 
WWUS51 KAKQ 162043
SVSAKQ

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WAKEFIELD VA
443 PM EDT SAT APR 16 2011

VAC065-075-162053-
/O.CAN.KAKQ.TO.W.0009.000000T0000Z-110416T2100Z/
GOOCHLAND VA-FLUVANNA VA-
443 PM EDT SAT APR 16 2011

...THE TORNADO WARNING FOR NORTHEASTERN FLUVANNA AND NORTHWESTERN
GOOCHLAND COUNTIES IS CANCELLED...

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

LAT...LON 3790 7800 3799 7820 3816 7810 3814 7806
      3814 7801 3812 7797 3812 7789 3810 7783
      3809 7782
TIME...MOT...LOC 2043Z 209DEG 57KT 3805 7803

$$

VAC109-162100-
/O.CON.KAKQ.TO.W.0009.000000T0000Z-110416T2100Z/
LOUISA VA-
443 PM EDT SAT APR 16 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL LOUISA COUNTY
UNTIL 500 PM EDT...

AT 439 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR LOUISA...MOVING NORTHEAST AT 65 MPH.

THIS DANGEROUS STORM WILL AFFECT MAINLY RURAL AREAS OF CENTRAL LOUISA
COUNTY...INCLUDING THE FOLLOWING LOCATIONS VAWTER CORNER.

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 3790 7800 3799 7820 3816 7810 3814 7806
      3814 7801 3812 7797 3812 7789 3810 7783
      3809 7782
TIME...MOT...LOC 2043Z 209DEG 57KT 3805 7803

$$

BHURLEY

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 15, 10:55 PM EDT	Coastal Flood Watch	AKQ	Accomack, Lancaster, Middlesex, Northumberland, Richmond, Westmoreland	16 hr
Apr 16, 4:32 AM EDT	High Surf Advisory	AKQ	Accomack, Northampton	19 hr
Apr 16, 7:05 AM EDT	Coastal Flood Advisory	AKQ	Accomack, Lancaster, Middlesex, Northumberland, Richmond, Westmoreland	23 hr
Apr 16, 2:33 PM EDT	Special Weather Statement	AKQ	Lunenburg, Mecklenburg, Nottoway, Prince Edward	42 min
Apr 16, 3:08 PM EDT	Tornado Warning	AKQ	Lunenburg, Mecklenburg	37 min
Apr 16, 3:22 PM EDT	Tornado Warning	AKQ	Lunenburg, Mecklenburg	23 min
Apr 16, 3:26 PM EDT	Severe Thunderstorm Warning	AKQ	Amelia, Cumberland, Lunenburg, Nottoway, Powhatan, Prince Edward	49 min
Apr 16, 3:43 PM EDT	Severe Thunderstorm Warning	AKQ	Amelia, Brunswick, Dinwiddie, Lunenburg, Mecklenburg, Nottoway	47 min
Apr 16, 3:44 PM EDT	Tornado Warning	AKQ	Brunswick, Lunenburg, Nottoway	31 min
Apr 16, 4:03 PM EDT	Tornado Warning	AKQ	Amelia, Brunswick, Dinwiddie, Lunenburg, Nottoway	27 min
Apr 16, 4:12 PM EDT	Tornado Warning	AKQ	Brunswick, Lunenburg, Mecklenburg	33 min
Apr 16, 4:23 PM EDT	Severe Thunderstorm Warning	AKQ	Amelia, Brunswick, Chesterfield, Dinwiddie, Hanover, Henrico and 6 more	52 min
Apr 16, 4:25 PM EDT	Tornado Warning	AKQ	Brunswick, Mecklenburg	35 min
Apr 16, 4:36 PM EDT	Tornado Warning	AKQ	Charles City, Chesterfield, Dinwiddie, Henrico, Prince George, City of Colonial Heights and 2 more	24 min
Apr 16, 4:48 PM EDT	Severe Thunderstorm Warning	AKQ	Lunenburg, Mecklenburg	15 min
Apr 16, 4:56 PM EDT	Tornado Warning	AKQ	Charles City, Chesterfield, Dinwiddie, Henrico, New Kent, Prince George and 3 more	34 min
Apr 16, 5:01 PM EDT	Severe Thunderstorm Warning	AKQ	Brunswick, Dinwiddie, Greensville, Sussex	17 min
Apr 16, 5:12 PM EDT	Tornado Warning	AKQ	Brunswick, Greensville	33 min
Apr 16, 5:32 PM EDT	Severe Thunderstorm Warning	AKQ	Chesterfield, Goochland, Hanover, Henrico, Louisa, Powhatan	28 min
Apr 16, 5:38 PM EDT	Severe Thunderstorm Warning	AKQ	Greensville, Southampton, Sussex, City of Emporia	22 min
Apr 16, 5:43 PM EDT	Severe Thunderstorm Warning	AKQ	Charles City, Essex, Gloucester, James City, King and Queen, King William and 6 more	47 min
Apr 16, 5:54 PM EDT	Tornado Warning	AKQ	Southampton, Sussex	25 min
Apr 16, 5:55 PM EDT	Severe Thunderstorm Warning	AKQ	Caroline, Hanover, Louisa	14 min
Apr 16, 6:09 PM EDT	Severe Thunderstorm Warning	AKQ	Isle of Wight, Southampton, Surry, Sussex	37 min
Apr 16, 6:11 PM EDT	Tornado Warning	AKQ	Isle of Wight, Southampton, Surry, Sussex	34 min
Apr 16, 6:35 PM EDT	Tornado Warning	AKQ	Isle of Wight, Southampton, City of Franklin, City of Suffolk	25 min
Apr 16, 6:39 PM EDT	Severe Thunderstorm Warning	AKQ	Charles City, Gloucester, Isle of Wight, James City, King and Queen, New Kent and 4 more	36 min
Apr 16, 6:41 PM EDT	Severe Thunderstorm Warning	AKQ	Lancaster, Northumberland	49 min
Apr 16, 6:54 PM EDT	Tornado Warning	AKQ	Gloucester, James City, Surry, York, City of Newport News	24 min
Apr 16, 7:03 PM EDT	Severe Thunderstorm Warning	AKQ	Isle of Wight, Southampton, York, City of Franklin, City of Hampton, City of Newport News and 1 more	42 min
Apr 16, 7:12 PM EDT	Tornado Warning	AKQ	Gloucester, Lancaster, Mathews, Middlesex	33 min
Apr 16, 7:17 PM EDT	Special Marine Warning	AKQ		43 min
Apr 16, 7:25 PM EDT	Tornado Warning	AKQ	Isle of Wight, York, City of Hampton, City of Newport News, City of Poquoson	35 min
Apr 16, 7:29 PM EDT	Tornado Warning	AKQ	City of Chesapeake, City of Suffolk	31 min
Apr 16, 7:47 PM EDT	Severe Thunderstorm Warning	AKQ	Isle of Wight, Southampton, City of Franklin, City of Suffolk	28 min
Apr 16, 7:50 PM EDT	Tornado Warning	AKQ	City of Chesapeake, City of Norfolk, City of Virginia Beach	25 min
Apr 16, 7:55 PM EDT	Special Marine Warning	AKQ		65 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.