Alert archive / Virginia / Tornado Warnings in 2012

Tornado Warning 11, NWS Wakefield, VA

June 25, 20124 counties in Virginia

NWS Wakefield, VA issued this tornado warning at Jun 25, 2012, 2:28 PM EDT for 4 counties in Virginia. It was in force for 32 min. 8 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: Jun 25, 2012, 2:28 PM EDT (18:28 UTC)
Expired: Jun 25, 2012, 3:00 PM EDT
In force: 32 min
Issued by: NWS Wakefield, VA
Area: Storm-based polygon

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

The radar

The Norfolk radar (KAKQ), 101 km from the middle of the area, began a volume at 18:28 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
Jun 25, 2:30 PM EDT	HAIL 1.75	Gum Spring, VA
Jun 25, 2:35 PM EDT	TSTM WND DMG	Hickory Haven, VA	NUMEROUS TREES DOWN HIGHWAY 288 AND WEST BROAD ST.
Jun 25, 2:40 PM EDT	TSTM WND DMG	1 Sse Rockville, VA	SEVERAL TOPS OF TREES SNAPPED AND SPLIT...MAILBOX FOUND HUNDREDS OF FEET AWAY AND BOARD STICKING IN SIDING.
Jun 25, 2:40 PM EDT	TSTM WND DMG	1 W Vontay, VA	TREES DOWN AT SUMMER RIDGE PLACE AND VONTE ROAD.
Jun 25, 2:40 PM EDT	TSTM WND DMG	Rockville, VA	TWISTED AND SNAPPED TREES IN PATH IN ROCKVILLE. METAL SHED ALSO DESTROYED.
Jun 25, 2:40 PM EDT	HAIL 1	1 Sse Rockville, VA
Jun 25, 2:45 PM EDT	TSTM WND DMG	Vontay, VA	NUMEROUS TREES DOWN AND MINOR STRUCTURAL DAMAGE ALONG VONTAY ROAD...VA HIGHWAY 617. ESTIMATED WINDS BETWEEN 80 AND 90 MPH.
Jun 25, 2:50 PM EDT	TSTM WND DMG	1 Nnw Rockville, VA	NUMEROUS TREES DOWN AND MINOR STRUCTURAL DAMAGE IN MARKHAM SUBDIVISION IN ROCKVILLE. ESTIMATED WINDS 80 TO 90 MPH.

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
Jun 25, 12:55 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 6.5 hours before the alert went out and 145 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: 1176 J/kg
Mixed-layer CIN: -98 J/kg
Mixed-layer LCL: 1268 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 84 m²/s²
0-3 km storm-relative helicity: 95 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 2.8

Open this sounding in Storm Lab

The text

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

761 
WFUS51 KAKQ 251828
TORAKQ
VAC075-085-109-145-251900-
/O.NEW.KAKQ.TO.W.0011.120625T1828Z-120625T1900Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE WAKEFIELD VA
228 PM EDT MON JUN 25 2012

THE NATIONAL WEATHER SERVICE IN WAKEFIELD HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN GOOCHLAND COUNTY IN CENTRAL VIRGINIA...
  WEST CENTRAL HANOVER COUNTY IN CENTRAL VIRGINIA...
  SOUTHEASTERN LOUISA COUNTY IN CENTRAL VIRGINIA...
  NORTHEASTERN POWHATAN COUNTY IN CENTRAL VIRGINIA...

* UNTIL 300 PM EDT

* AT 224 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR GUM SPRING...OR 5
  MILES NORTHEAST OF GOOCHLAND...AND MOVING SOUTHEAST AT 20 MPH.

* THIS DANGEROUS STORM WILL BE NEAR...
  OILVILLE AROUND 235 PM EDT.
  SABOT AROUND 250 PM EDT.
  MANAKIN AROUND 255 PM EDT.

OTHER LOCATIONS IMPACTED BY THIS DANGEROUS STORM INCLUDE VONTAY...
CROZIER...JOHNSONS SPRINGS...ROCKVILLE AND CENTERVILLE.

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 3771 7801 3784 7780 3781 7760 3767 7764
      3765 7765 3763 7765 3754 7767 3753 7769
TIME...MOT...LOC 1827Z 296DEG 17KT 3775 7783

$$

JBILLET

1 follow-up statement

616 
WWUS51 KAKQ 251900
SVSAKQ

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WAKEFIELD VA
300 PM EDT MON JUN 25 2012

VAC075-085-109-145-251910-
/O.EXP.KAKQ.TO.W.0011.000000T0000Z-120625T1900Z/
POWHATAN VA-HANOVER VA-GOOCHLAND VA-LOUISA VA-
300 PM EDT MON JUN 25 2012

...THE TORNADO WARNING FOR SOUTHEASTERN LOUISA...SOUTHEASTERN
GOOCHLAND...WEST CENTRAL HANOVER AND NORTHEASTERN POWHATAN COUNTIES
HAS EXPIRED...

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

ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A SEVERE 
THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 8 PM EDT.

PLEASE SEND YOUR REPORTS OF HAIL AND OR WIND DAMAGE...INCLUDING TREES
OR LARGE LIMBS DOWNED...BY CALLING NOAA'S NATIONAL WEATHER SERVICE
AT...1...800...7 3 7...8 6 2 4 IN WAKEFIELD.

LAT...LON 3771 7801 3784 7780 3781 7760 3767 7764
      3765 7765 3763 7765 3754 7767 3753 7769
TIME...MOT...LOC 1900Z 296DEG 17KT 3768 7765

$$

ESEYMOUR

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 25, 4:04 AM EDT	Small Craft Advisory	AKQ		36 hr
Jun 25, 8:45 AM EDT	Special Marine Warning	AKQ		62 min
Jun 25, 10:28 AM EDT	Special Marine Warning	AKQ		92 min
Jun 25, 12:05 PM EDT	Special Marine Warning	AKQ		85 min
Jun 25, 12:54 PM EDT	Special Weather Statement	AKQ	Louisa	51 min
Jun 25, 1:18 PM EDT	Special Weather Statement	AKQ	Northumberland	42 min
Jun 25, 1:29 PM EDT	Special Marine Warning	AKQ		76 min
Jun 25, 1:44 PM EDT	Special Weather Statement	AKQ	Louisa	31 min
Jun 25, 1:48 PM EDT	Special Weather Statement	AKQ	Richmond	57 min
Jun 25, 1:51 PM EDT	Severe Thunderstorm Warning	AKQ	Fluvanna, Goochland, Hanover, Louisa	39 min
Jun 25, 1:52 PM EDT	Special Weather Statement	AKQ	Lancaster	23 min
Jun 25, 2:18 PM EDT	Special Marine Warning	AKQ		42 min
Jun 25, 2:23 PM EDT	Severe Thunderstorm Warning	AKQ	Chesterfield, Goochland, Hanover, Henrico, Louisa, Powhatan and 1 more	52 min
Jun 25, 2:29 PM EDT	Special Marine Warning	AKQ		91 min
Jun 25, 2:37 PM EDT	Special Marine Warning	AKQ		53 min
Jun 25, 2:44 PM EDT	Tornado Warning	AKQ	Chesterfield, Goochland, Hanover, Henrico, City of Richmond	31 min
Jun 25, 2:57 PM EDT	Special Weather Statement	AKQ	Amelia, Cumberland, Powhatan	48 min
Jun 25, 3:01 PM EDT	Special Weather Statement	AKQ	Northampton	59 min
Jun 25, 3:03 PM EDT	Severe Thunderstorm Warning	AKQ	Charles City, Chesterfield, Goochland, Henrico, Powhatan, Prince George and 3 more	32 min
Jun 25, 3:10 PM EDT	Special Weather Statement	AKQ	Amelia, Nottoway, City of Petersburg	50 min
Jun 25, 3:15 PM EDT	Severe Thunderstorm Warning	AKQ	Charles City, Hanover, Henrico, James City, New Kent	45 min
Jun 25, 3:20 PM EDT	Severe Thunderstorm Warning	AKQ	Northampton	40 min
Jun 25, 3:23 PM EDT	Special Marine Warning	AKQ		82 min
Jun 25, 3:28 PM EDT	Special Marine Warning	AKQ		62 min
Jun 25, 3:28 PM EDT	Severe Thunderstorm Warning	AKQ	Charles City, James City, Prince George, Surry	47 min
Jun 25, 3:33 PM EDT	Special Marine Warning	AKQ		74 min
Jun 25, 3:34 PM EDT	Special Marine Warning	AKQ		75 min
Jun 25, 3:47 PM EDT	Severe Thunderstorm Warning	AKQ	Charles City, Gloucester, Isle of Wight, James City, New Kent, Prince George and 4 more	43 min
Jun 25, 3:53 PM EDT	Special Weather Statement	AKQ	Prince Edward	52 min
Jun 25, 3:54 PM EDT	Special Marine Warning	AKQ		44 min
Jun 25, 4:00 PM EDT	Special Marine Warning	AKQ		41 min
Jun 25, 4:04 PM EDT	Special Marine Warning	AKQ		86 min
Jun 25, 4:22 PM EDT	Severe Thunderstorm Warning	AKQ	Isle of Wight, James City, Surry, York, City of Chesapeake, City of Hampton and 6 more	53 min
Jun 25, 4:26 PM EDT	Special Weather Statement	AKQ	Northampton	64 min
Jun 25, 4:29 PM EDT	Special Weather Statement	AKQ	Brunswick	46 min
Jun 25, 4:36 PM EDT	Special Marine Warning	AKQ		84 min
Jun 25, 5:10 PM EDT	Severe Thunderstorm Warning	AKQ	Isle of Wight, City of Chesapeake, City of Hampton, City of Newport News, City of Norfolk, City of Portsmouth and 2 more	65 min
Jun 25, 5:20 PM EDT	Special Marine Warning	AKQ		115 min
Jun 25, 5:29 PM EDT	Special Weather Statement	AKQ	Greensville, City of Emporia	46 min
Jun 25, 5:41 PM EDT	Special Weather Statement	AKQ	Southampton, City of Franklin	49 min

Nearby

Tornado Warnings in Virginia, 2012 Every tornado warning in 2012 Tornadoes in 2012

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.