Alert archive / Virginia / Tornado Warnings in 2012

Tornado Warning 24, NWS Wakefield, VA

August 25, 2012Accomack County, Virginia

NWS Wakefield, VA issued this tornado warning at Aug 25, 2012, 2:37 PM EDT for Accomack County, Virginia. It was in force for 38 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: Aug 25, 2012, 2:37 PM EDT (18:37 UTC)
Expired: Aug 25, 2012, 3:15 PM EDT
In force: 38 min
Issued by: NWS Wakefield, VA
Area: Storm-based polygon

County Accomack County, VA

The radar

The Dover AFB radar (KDOX), 137 km from the middle of the area, began a volume at 18:38 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 nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 12:00Z, 6.6 hours before the alert went out and 42 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: 86 J/kg
Mixed-layer CIN: -59 J/kg
Mixed-layer LCL: 860 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: -37 m²/s²
0-3 km storm-relative helicity: 64 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.

719 
WFUS51 KAKQ 251837
TORAKQ
VAC001-251915-
/O.NEW.KAKQ.TO.W.0024.120825T1837Z-120825T1915Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE WAKEFIELD VA
237 PM EDT SAT AUG 25 2012

THE NATIONAL WEATHER SERVICE IN WAKEFIELD HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL ACCOMACK COUNTY IN SOUTHEAST VIRGINIA...

* UNTIL 315 PM EDT

* AT 234 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS      
  STORM WAS LOCATED 8 MILES SOUTH OF ONLEY...OR 9 MILES EAST OF      
  EXMORE...AND MOVING NORTH AT 15 MPH.

* THIS DANGEROUS STORM WILL BE NEAR...
  ONLEY AROUND 305 PM EDT.
  ONANCOCK AROUND 310 PM EDT.
  PARKSLEY AROUND 315 PM EDT.

OTHER LOCATIONS IMPACTED BY THIS DANGEROUS STORM INCLUDE MELFA...
LOCUSTVILLE...ACCOMAC AND TASLEY.

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 3755 7566 3756 7567 3755 7568 3755 7571
      3775 7577 3783 7559 3761 7559 3760 7560
      3758 7559 3756 7559
TIME...MOT...LOC 1836Z 179DEG 13KT 3759 7567

$$

ALBRIGHT

1 follow-up statement

404 
WWUS51 KAKQ 251906
SVSAKQ

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WAKEFIELD VA
306 PM EDT SAT AUG 25 2012

VAC001-251915-
/O.CON.KAKQ.TO.W.0024.000000T0000Z-120825T1915Z/
ACCOMACK VA-
306 PM EDT SAT AUG 25 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL ACCOMACK COUNTY
UNTIL 315 PM EDT...

AT 303 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS STORM 
WAS LOCATED NEAR ONLEY...OR 12 MILES NORTHEAST OF EXMORE...MOVING 
NORTH AT 25 MPH.

THIS DANGEROUS STORM WILL BE NEAR...
  PARKSLEY AROUND 315 PM EDT.

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 3755 7566 3756 7567 3755 7568 3755 7571
      3775 7577 3783 7559 3761 7559 3760 7560
      3758 7559 3756 7559
TIME...MOT...LOC 1906Z 162DEG 20KT 3770 7571

$$

ALBRIGHT

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 25, 2:01 AM EDT	Special Marine Warning	AKQ		59 min
Aug 25, 2:54 AM EDT	Special Marine Warning	AKQ		81 min
Aug 25, 3:38 AM EDT	Special Weather Statement	AKQ	Greensville, City of Emporia	37 min
Aug 25, 5:16 AM EDT	Special Weather Statement	AKQ	Brunswick, Dinwiddie, Greensville, Prince George, Surry, Sussex and 7 more	119 min
Aug 25, 5:30 AM EDT	Severe Thunderstorm Warning	AKQ	Isle of Wight, City of Hampton, City of Newport News, City of Portsmouth, City of Suffolk	45 min
Aug 25, 5:39 AM EDT	Special Marine Warning	AKQ		81 min
Aug 25, 6:16 AM EDT	Special Weather Statement	AKQ	City of Newport News	59 min
Aug 25, 6:48 AM EDT	Flash Flood Warning	AKQ	York, City of Hampton, City of Newport News, City of Poquoson	117 min
Aug 25, 6:58 AM EDT	Areal Flood Advisory	AKQ	Brunswick, Greensville, City of Emporia	2 hr
Aug 25, 8:25 AM EDT	Special Weather Statement	AKQ	Brunswick, Greensville, Southampton, Sussex, City of Emporia	65 min
Aug 25, 9:14 AM EDT	Special Marine Warning	AKQ		46 min
Aug 25, 9:16 AM EDT	Areal Flood Advisory	AKQ	Dinwiddie, Greensville, Prince George, Southampton, Surry, Sussex and 1 more	104 min
Aug 25, 9:16 AM EDT	Special Marine Warning	AKQ		44 min
Aug 25, 9:54 AM EDT	Special Marine Warning	AKQ		51 min
Aug 25, 9:55 AM EDT	Special Marine Warning	AKQ		35 min
Aug 25, 10:04 AM EDT	Special Weather Statement	AKQ	Northampton	56 min
Aug 25, 10:13 AM EDT	Tornado Warning	AKQ	City of Norfolk, City of Portsmouth	32 min
Aug 25, 10:15 AM EDT	Special Marine Warning	AKQ		37 min
Aug 25, 10:34 AM EDT	Special Marine Warning	AKQ		41 min
Aug 25, 10:56 AM EDT	Special Weather Statement	AKQ	Charles City, Hanover, Henrico, James City, New Kent, Prince George and 3 more	64 min
Aug 25, 10:59 AM EDT	Special Weather Statement	AKQ	Gloucester, Mathews, York, City of Hampton, City of Poquoson	61 min
Aug 25, 11:14 AM EDT	Special Weather Statement	AKQ	Accomack	61 min
Aug 25, 11:51 AM EDT	Special Weather Statement	AKQ	Charles City, Isle of Wight, James City, King William, New Kent, Surry and 3 more	54 min
Aug 25, 11:56 AM EDT	Areal Flood Advisory	AKQ	Accomack, Northampton	3 hr
Aug 25, 11:58 AM EDT	Areal Flood Advisory	AKQ	Charles City, Isle of Wight, James City, Prince George, Surry, Sussex	92 min
Aug 25, 12:39 PM EDT	Areal Flood Advisory	AKQ	Isle of Wight, Southampton	81 min
Aug 25, 12:56 PM EDT	Tornado Warning	AKQ	Accomack	34 min
Aug 25, 12:58 PM EDT	Special Marine Warning	AKQ		62 min
Aug 25, 1:11 PM EDT	Areal Flood Advisory	AKQ	Gloucester, Isle of Wight, James City, Mathews, Surry, York and 3 more	109 min
Aug 25, 1:17 PM EDT	Flash Flood Warning	AKQ	Accomack	88 min
Aug 25, 2:37 PM EDT	Areal Flood Advisory	AKQ	Isle of Wight, York, City of Hampton, City of Newport News, City of Poquoson, City of Portsmouth and 1 more	3 hr
Aug 25, 2:42 PM EDT	Special Marine Warning	AKQ		93 min
Aug 25, 3:03 PM EDT	Flash Flood Warning	AKQ	Accomack, Northampton	117 min
Aug 25, 3:13 PM EDT	River Flood Warning	AKQ	Brunswick	6 hr
Aug 25, 3:40 PM EDT	Special Marine Warning	AKQ		95 min
Aug 25, 4:34 PM EDT	Areal Flood Advisory	AKQ	Accomack	116 min
Aug 25, 4:54 PM EDT	Flash Flood Warning	AKQ	Accomack	50 min
Aug 25, 5:13 PM EDT	Special Marine Warning	AKQ		77 min
Aug 25, 5:22 PM EDT	Special Weather Statement	AKQ	Dinwiddie	53 min
Aug 25, 6:26 PM EDT	Special Weather Statement	AKQ	Dinwiddie, Southampton, Sussex	64 min
Aug 25, 6:44 PM EDT	Special Weather Statement	AKQ	Cumberland	46 min
Aug 25, 7:23 PM EDT	Areal Flood Advisory	AKQ	Accomack	3 hr
Aug 25, 7:28 PM EDT	Special Weather Statement	AKQ	Amelia, City of Petersburg	62 min
Aug 25, 7:41 PM EDT	Areal Flood Advisory	AKQ	Amelia, Cumberland, Powhatan, Prince Edward	3 hr

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.