Alert archive / Virginia / Tornado Warnings in 2011

Tornado Warning 29, NWS Wakefield, VA

April 27, 20116 counties in Virginia

NWS Wakefield, VA issued this tornado warning at Apr 27, 2011, 6:45 PM EDT for 6 counties in Virginia. It was in force for 45 min. 5 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Apr 27, 2011, 6:45 PM EDT (22:45 UTC)
Expired: Apr 27, 2011, 7:30 PM EDT
In force: 45 min
Issued by: NWS Wakefield, VA
Area: Storm-based polygon

Counties Amelia County, VA, Goochland County, VA, Hanover County, VA, Henrico County, VA, Louisa County, VA, Powhatan County, VA

The radar

The Norfolk radar (KAKQ), 109 km from the middle of the area, began a volume at 22:47 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.

What was reported inside it

Time	Report	Where	Remark
Apr 27, 6:45 PM EDT	FUNNEL CLOUD	Powhatan, VA	NUMEROUS SIGHTINGS POWHATAN COURTHOUSE WEST ALONG RTE 60
Apr 27, 6:55 PM EDT	FUNNEL CLOUD	Macon, VA	FUNNEL REPORTED BY PUBLIC TO EMERGENCY MANAGEMENT. DID NOT TOUCH THE GROUND.
Apr 27, 7:15 PM EDT	HAIL 1	Oilville, VA	62 MPH WIND MEASURED
Apr 27, 7:25 PM EDT	TORNADO	5 Ene Goochland, VA	NWS STORM SURVEY DETERMINED THE DAMAGE WAS CONSISTENT WITH AN EF1 TORNADO. TORNADO TRACK MEASURED AT APPROXIMATELY 100 YARDS WIDE. THE TORNADO TRACKED FROM BRIDGEWATER BLUFF TO PONY FARM ROAD...CROSSING INTERSTATE 64.
Apr 27, 7:33 PM EDT	TORNADO	8 E Oilville, VA	TORNADO REPORTED ON THE GROUND VICINTY I64 AND 295

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

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 27, 6:15 PM EDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 10.8 hours before the alert went out and 141 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: 190 J/kg
Mixed-layer CIN: -25 J/kg
Mixed-layer LCL: 678 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 203 m²/s²
0-3 km storm-relative helicity: 275 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.3

Open this sounding in Storm Lab

The text

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

205 
WFUS51 KAKQ 272245
TORAKQ
VAC007-075-085-087-109-145-272330-
/O.NEW.KAKQ.TO.W.0029.110427T2245Z-110427T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE WAKEFIELD VA
645 PM EDT WED APR 27 2011

THE NATIONAL WEATHER SERVICE IN WAKEFIELD HAS ISSUED A

* TORNADO WARNING FOR...
  NORTH CENTRAL AMELIA COUNTY IN CENTRAL VIRGINIA...
  SOUTHEASTERN GOOCHLAND COUNTY IN CENTRAL VIRGINIA...
  WEST CENTRAL HANOVER COUNTY IN CENTRAL VIRGINIA...
  NORTHWESTERN HENRICO COUNTY IN CENTRAL VIRGINIA...
  SOUTHEASTERN LOUISA COUNTY IN CENTRAL VIRGINIA...
  POWHATAN COUNTY IN CENTRAL VIRGINIA...

* UNTIL 730 PM EDT

* AT 643 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR BALLSVILLE...OR 8 MILES SOUTHWEST OF
  POWHATAN...AND MOVING NORTHEAST AT 35 MPH.

  IN ADDITION...AT 642 PM GOLFBALL SIZED HAIL WAS REPORTED 
  ABOUT 6 MILES SOUTHWEST OF POWHATAN WITH THIS STORM.

* THIS DANGEROUS STORM WILL BE NEAR...
  MACON AND TRENHOLM AROUND 650 PM EDT.
  POWHATAN AROUND 655 PM EDT.
  GOOCHLAND AROUND 710 PM EDT.
  SABOT AROUND 715 PM EDT.
  OILVILLE AROUND 720 PM EDT.
  MONTPELIER AROUND 730 PM EDT.

OTHER LOCATIONS IMPACTED BY THIS DANGEROUS STORM INCLUDE BELONA...
HATCHERS...LAKE POWHATAN...WORSHAMS...PROVOST...GOODWINS STORE...WEST
VIEW...ROCK CASTLE...THREE SQUARE AND JEFFERSON.

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.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN WAKEFIELD.

&&

LAT...LON 3750 7813 3753 7813 3794 7779 3772 7752
      3742 7805 3749 7814
TIME...MOT...LOC 2245Z 223DEG 31KT 3750 7804

$$

ALBRIGHT

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 26, 8:14 PM EDT	Special Weather Statement	AKQ	Fluvanna	46 min
Apr 27, 2:10 PM EDT	Special Weather Statement	AKQ	Lunenburg, Mecklenburg	50 min
Apr 27, 2:31 PM EDT	Special Weather Statement	AKQ	Lunenburg, Nottoway	44 min
Apr 27, 2:58 PM EDT	Special Weather Statement	AKQ	Brunswick	47 min
Apr 27, 3:11 PM EDT	Special Weather Statement	AKQ	Isle of Wight, Southampton, Surry, City of Franklin	49 min
Apr 27, 3:29 PM EDT	Special Weather Statement	AKQ	Gloucester, James City, Surry, York, City of Williamsburg	46 min
Apr 27, 3:37 PM EDT	Special Weather Statement	AKQ	Fluvanna	38 min
Apr 27, 3:49 PM EDT	Special Weather Statement	AKQ	Fluvanna	41 min
Apr 27, 3:54 PM EDT	Severe Thunderstorm Warning	AKQ	Fluvanna, Louisa	36 min
Apr 27, 4:08 PM EDT	Special Marine Warning	AKQ		67 min
Apr 27, 4:18 PM EDT	Special Weather Statement	AKQ	Gloucester, James City, Lancaster, Middlesex, Northumberland, York and 5 more	42 min
Apr 27, 4:43 PM EDT	Special Weather Statement	AKQ	Accomack, Northampton	62 min
Apr 27, 5:20 PM EDT	Special Marine Warning	AKQ		25 min
Apr 27, 5:23 PM EDT	Special Weather Statement	AKQ	Cumberland, Prince Edward	37 min
Apr 27, 5:46 PM EDT	Severe Thunderstorm Warning	AKQ	Amelia, Cumberland, Powhatan, Prince Edward	44 min
Apr 27, 6:15 PM EDT	Tornado Warning	AKQ	Amelia, Cumberland, Powhatan, Prince Edward	45 min
Apr 27, 6:33 PM EDT	Tornado Warning	AKQ	Amelia, Cumberland, Prince Edward	42 min
Apr 27, 7:02 PM EDT	Severe Thunderstorm Warning	AKQ	Cumberland, Fluvanna, Goochland, Louisa	58 min
Apr 27, 7:08 PM EDT	Tornado Warning	AKQ	Amelia, Cumberland, Goochland, Louisa, Powhatan, Prince Edward	52 min
Apr 27, 7:29 PM EDT	Severe Thunderstorm Warning	AKQ	Caroline, Goochland, Hanover, Henrico, Louisa	46 min
Apr 27, 7:35 PM EDT	Tornado Warning	AKQ	Caroline, Goochland, Hanover, Henrico, Louisa	40 min
Apr 27, 7:41 PM EDT	Tornado Warning	AKQ	Fluvanna, Goochland, Louisa	49 min
Apr 27, 7:56 PM EDT	Tornado Warning	AKQ	Caroline, Goochland, Hanover, Louisa, Powhatan	49 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.