Alert archive / Virginia / Tornado Warnings in 2012

Tornado Warning 17, NWS Wakefield, VA

July 14, 2012Accomack County, Virginia

NWS Wakefield, VA issued this tornado warning at Jul 14, 2012, 1:12 PM EDT for Accomack County, Virginia. It was in force for 48 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
Jul 14, 2012, 1:12 PM EDT (17:12 UTC)
Expired
Jul 14, 2012, 2:00 PM EDT
In force
48 min
Issued by
NWS Wakefield, VA
Area
Storm-based polygon

County Accomack County, VA

The radar

The Dover AFB radar (KDOX), 130 km from the middle of the area, began a volume at 17:13 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, 5.2 hours before the alert went out and 34 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, Wallops Is Stn, VA at 12:00Z on 2012-07-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 650 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Wallops Is Stn, VA at 12:00Z on 2012-07-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 square meters per square second.1939Sfc1 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
650 J/kg
Mixed-layer CIN
-19 J/kg
Mixed-layer LCL
661 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
53 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.

477 
WFUS51 KAKQ 141712
TORAKQ
VAC001-141800-
/O.NEW.KAKQ.TO.W.0017.120714T1712Z-120714T1800Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE WAKEFIELD VA
112 PM EDT SAT JUL 14 2012

THE NATIONAL WEATHER SERVICE IN WAKEFIELD HAS ISSUED A

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

* UNTIL 200 PM EDT

* AT 106 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO. THIS DANGEROUS STORM WAS LOCATED 5 MILES EAST OF ONLEY...
  OR 15 MILES NORTHEAST OF EXMORE...AND MOVING SOUTHEAST AT 5 MPH.

* THIS DANGEROUS STORM WILL AFFECT MAINLY RURAL AREAS OF CENTRAL
  ACCOMACK COUNTY.

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

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 3766 7558 3764 7558 3763 7559 3763 7564
      3769 7566 3772 7560 3770 7557 3767 7557
TIME...MOT...LOC 1712Z 330DEG 3KT 3768 7562

$$

44
2 follow-up statements
948 
WWUS51 KAKQ 141734
SVSAKQ

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WAKEFIELD VA
134 PM EDT SAT JUL 14 2012

VAC001-141800-
/O.CON.KAKQ.TO.W.0017.000000T0000Z-120714T1800Z/
ACCOMACK VA-
134 PM EDT SAT JUL 14 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL ACCOMACK COUNTY
UNTIL 200 PM EDT...

AT 128 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
TORNADO.  THIS DANGEROUS STORM WAS LOCATED 6 MILES EAST OF ONLEY...OR
15 MILES NORTHEAST OF EXMORE...MOVING SOUTHEAST AT 5 MPH.

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF CENTRAL ACCOMACK COUNTY.

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. LARGE HAIL MAY ALSO ACCOMPANY THIS 
STORM. 

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 3766 7558 3764 7558 3763 7559 3763 7564
      3769 7566 3772 7560 3770 7557 3767 7557
TIME...MOT...LOC 1734Z 330DEG 3KT 3766 7561

$$

44
099 
WWUS51 KAKQ 141756
SVSAKQ

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WAKEFIELD VA
156 PM EDT SAT JUL 14 2012

VAC001-141806-
/O.EXP.KAKQ.TO.W.0017.000000T0000Z-120714T1800Z/
ACCOMACK VA-
156 PM EDT SAT JUL 14 2012

...THE TORNADO WARNING FOR CENTRAL ACCOMACK COUNTY WILL EXPIRE AT 200
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 3766 7558 3764 7558 3763 7559 3763 7564
      3769 7566 3772 7560 3770 7557 3767 7557
TIME...MOT...LOC 1756Z 330DEG 3KT 3764 7560

$$

44

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 14, 11:31 AM EDTSpecial Marine WarningAKQ89 min
Jul 14, 12:03 PM EDTSpecial Weather StatementAKQAccomack42 min
Jul 14, 12:35 PM EDTSpecial Weather StatementAKQCity of Richmond25 min
Jul 14, 1:00 PM EDTSpecial Marine WarningAKQ60 min
Jul 14, 1:03 PM EDTSpecial Weather StatementAKQAccomack27 min
Jul 14, 1:24 PM EDTTornado WarningAKQAccomack36 min
Jul 14, 1:33 PM EDTSpecial Weather StatementAKQCharles City, James City, New Kent57 min
Jul 14, 1:37 PM EDTSpecial Weather StatementAKQRichmond53 min
Jul 14, 1:41 PM EDTSpecial Weather StatementAKQSurry, York, City of Williamsburg64 min
Jul 14, 1:51 PM EDTSpecial Marine WarningAKQ84 min
Jul 14, 2:00 PM EDTSpecial Weather StatementAKQAccomack60 min
Jul 14, 2:03 PM EDTSpecial Marine WarningAKQ87 min
Jul 14, 2:18 PM EDTSpecial Marine WarningAKQ87 min
Jul 14, 2:26 PM EDTSpecial Weather StatementAKQGloucester, James City, Lancaster, Mathews, Middlesex79 min
Jul 14, 2:40 PM EDTFlash Flood WarningAKQAccomack2 hr
Jul 14, 2:50 PM EDTSpecial Weather StatementAKQIsle of Wight, York, City of Newport News55 min
Jul 14, 2:59 PM EDTSpecial Weather StatementAKQCity of Colonial Heights, City of Hopewell46 min
Jul 14, 3:07 PM EDTSpecial Marine WarningAKQ68 min
Jul 14, 3:43 PM EDTSpecial Weather StatementAKQCity of Hampton, City of Norfolk, City of Poquoson47 min
Jul 14, 3:52 PM EDTAreal Flood AdvisoryAKQNorthumberland98 min
Jul 14, 4:07 PM EDTSpecial Weather StatementAKQHanover, Powhatan53 min
Jul 14, 4:15 PM EDTSpecial Weather StatementAKQChesterfield, City of Hopewell, City of Richmond60 min
Jul 14, 4:58 PM EDTSpecial Weather StatementAKQHanover62 min
Jul 14, 5:16 PM EDTSpecial Weather StatementAKQCity of Colonial Heights, City of Hopewell, City of Petersburg44 min
Jul 14, 5:30 PM EDTSpecial Weather StatementAKQSussex60 min
Jul 14, 7:15 PM EDTSpecial Weather StatementAKQBrunswick60 min

Nearby

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