Alert archive / Virginia / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 13, NWS Wakefield, VA

May 1, 2012Brunswick County, Greensville County, Mecklenburg County, Virginia; Northampton County, North Carolina

NWS Wakefield, VA issued this severe thunderstorm warning at May 1, 2012, 5:13 PM EDT for Brunswick County, Greensville County, Mecklenburg County, Virginia; Northampton County, North Carolina. It was in force for 47 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: May 1, 2012, 5:13 PM EDT (21:13 UTC)
Expired: May 1, 2012, 6:00 PM EDT
In force: 47 min
Issued by: NWS Wakefield, VA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Northampton County, NC, Brunswick County, VA, Greensville County, VA, Mecklenburg County, VA

The radar

The Norfolk radar (KAKQ), 92 km from the middle of the area, began a volume at 21:16 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
May 1, 5:15 PM EDT	TSTM WND GST 50	Joyceville, VA	50 PLUS MPH WINDS AT MARINA ON LAKE GASTON.
May 1, 5:25 PM EDT	TSTM WND DMG	1 Ene Joyceville, VA	TREES DOWN ON HENDRICKS MILL RD
May 1, 5:27 PM EDT	TSTM WND DMG	4 E Lake Gaston, NC	NUMEROUS TREES REPORTED DOWN... SOME ON HOMES... ALONG HICKORY FARM ROAD.
May 1, 5:33 PM EDT	TSTM WND DMG	Gasburg, VA	TREES DOWN ON OAK GROVE RD
May 1, 5:37 PM EDT	TSTM WND DMG	1 Ssw Brunswick Estates, NC	TREES DOWN ON TIMBERLINE DR.

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
May 1, 3:12 PM EDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 9.2 hours before the alert went out and 161 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: 660 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 496 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 167 m²/s²
0-3 km storm-relative helicity: 213 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 3.1

Open this sounding in Storm Lab

The text

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

838 
WUUS51 KAKQ 012113
SVRAKQ
NCC131-VAC025-081-117-012200-
/O.NEW.KAKQ.SV.W.0013.120501T2113Z-120501T2200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE WAKEFIELD VA
513 PM EDT TUE MAY 1 2012

THE NATIONAL WEATHER SERVICE IN WAKEFIELD HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN NORTHAMPTON COUNTY IN NORTHEAST NORTH CAROLINA...
  SOUTHERN BRUNSWICK COUNTY IN SOUTH CENTRAL VIRGINIA...
  SOUTHWESTERN GREENSVILLE COUNTY IN SOUTH CENTRAL VIRGINIA...
  SOUTHEASTERN MECKLENBURG COUNTY IN SOUTH CENTRAL VIRGINIA...

* UNTIL 600 PM EDT

* AT 508 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 6 MILES
  SOUTH OF LA CROSSE...OR 7 MILES SOUTHWEST OF BRODNAX...AND MOVING
  EAST AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  EBONY AROUND 520 PM EDT.
  GASBURG AND BRUNSWICK AROUND 530 PM EDT.
  BARLEY AROUND 550 PM EDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE BOWENS
CORNER...WHITE PLAINS...VALENTINES...HENRICO...TRIPLET AND VULTARE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR LARGE
HAIL AND DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE
TO A SHELTER...PREFERABLY INSIDE A STRONG BUILDING AND AWAY FROM
WINDOWS.

&&

LAT...LON 3670 7807 3662 7764 3649 7771 3648 7772
      3648 7774 3648 7777 3650 7781 3650 7789
      3651 7791 3654 7792 3654 7806 3658 7815
TIME...MOT...LOC 2112Z 291DEG 25KT 3661 7806
WIND...HAIL 60MPH 1.00IN

$$

JM

2 follow-up statements

597 
WWUS51 KAKQ 012127
SVSAKQ

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WAKEFIELD VA
527 PM EDT TUE MAY 1 2012

VAC117-012137-
/O.CAN.KAKQ.SV.W.0013.000000T0000Z-120501T2200Z/
MECKLENBURG VA-
527 PM EDT TUE MAY 1 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MECKLENBURG
COUNTY IS CANCELLED...

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

LAT...LON 3655 7798 3656 7799 3663 7796 3658 7766
      3649 7771 3648 7772 3648 7777 3650 7781
      3650 7789 3651 7791 3654 7792
TIME...MOT...LOC 2127Z 291DEG 25KT 3657 7794

$$

NCC131-VAC025-081-012200-
/O.CON.KAKQ.SV.W.0013.000000T0000Z-120501T2200Z/
NORTHAMPTON NC-GREENSVILLE VA-BRUNSWICK VA-
527 PM EDT TUE MAY 1 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTH CENTRAL
BRUNSWICK...SOUTHWESTERN GREENSVILLE AND NORTHWESTERN NORTHAMPTON
COUNTIES UNTIL 600 PM EDT...

AT 525 PM EDT...A SEVERE THUNDERSTORM WAS REPORTED...PRODUCING 
QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS
STORM WAS LOCATED NEAR EBONY...OR 10 MILES SOUTHEAST OF BRODNAX...
MOVING EAST AT 30 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  BARLEY AROUND 550 PM EDT.

OTHER LOCATIONS IMPACTED BY THE SEVERE THUNDERSTORM INCLUDE
VALENTINES...HENRICO AND VULTARE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR LARGE
HAIL AND DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE
TO A SHELTER...PREFERABLY INSIDE A STRONG BUILDING AND AWAY FROM
WINDOWS.

&&

LAT...LON 3655 7798 3656 7799 3663 7796 3658 7766
      3649 7771 3648 7772 3648 7777 3650 7781
      3650 7789 3651 7791 3654 7792
TIME...MOT...LOC 2127Z 291DEG 25KT 3657 7794
WIND...HAIL 60MPH 1.00IN

$$

JM

998 
WWUS51 KAKQ 012153
SVSAKQ

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WAKEFIELD VA
553 PM EDT TUE MAY 1 2012

NCC131-VAC025-081-012203-
/O.EXP.KAKQ.SV.W.0013.000000T0000Z-120501T2200Z/
NORTHAMPTON NC-GREENSVILLE VA-BRUNSWICK VA-
553 PM EDT TUE MAY 1 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL BRUNSWICK...
SOUTHWESTERN GREENSVILLE AND NORTHWESTERN NORTHAMPTON COUNTIES WILL
EXPIRE AT 600 PM EDT...

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

LAT...LON 3655 7798 3656 7799 3663 7796 3658 7766
      3649 7771 3648 7772 3648 7777 3650 7781
      3650 7789 3651 7791 3654 7792
TIME...MOT...LOC 2153Z 291DEG 25KT 3650 7773

$$

JM

The office that day

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

Issued	Product	Office	Counties	Lasted
May 1, 4:03 PM EDT	Special Weather Statement	AKQ	Lunenburg	42 min
May 1, 4:09 PM EDT	Special Weather Statement	AKQ	Mecklenburg	66 min
May 1, 4:24 PM EDT	Special Weather Statement	AKQ	Dinwiddie	51 min
May 1, 4:38 PM EDT	Special Weather Statement	AKQ	Prince Edward	37 min
May 1, 4:50 PM EDT	Special Weather Statement	AKQ	Brunswick	40 min
May 1, 5:17 PM EDT	Special Weather Statement	AKQ	City of Emporia	43 min
May 1, 5:19 PM EDT	Special Weather Statement	AKQ	Southampton, City of Franklin	41 min
May 1, 5:34 PM EDT	Special Weather Statement	AKQ	Greensville, City of Emporia	41 min
May 1, 6:07 PM EDT	Special Weather Statement	AKQ	Southampton, City of Franklin	53 min
May 1, 6:19 PM EDT	Severe Thunderstorm Warning	AKQ	Isle of Wight, Southampton, City of Franklin, City of Suffolk	41 min
May 1, 6:35 PM EDT	Special Weather Statement	AKQ	City of Hampton	25 min
May 1, 6:39 PM EDT	Severe Thunderstorm Warning	AKQ	City of Chesapeake, City of Suffolk	51 min
May 1, 7:31 PM EDT	Special Marine Warning	AKQ		89 min
May 1, 6:50 PM EDT	Special Weather Statement	AKQ	Bertie	55 min
May 1, 7:11 PM EDT	Special Weather Statement	AKQ	Gates	34 min
May 1, 7:13 PM EDT	Special Weather Statement	AKQ	Gates	32 min
May 1, 7:26 PM EDT	Severe Thunderstorm Warning	AKQ	Camden, Chowan, Currituck, Gates, Pasquotank, Perquimans	49 min

Nearby

Severe Thunderstorm Warnings in Virginia, 2012 Severe Thunderstorm Warnings in North Carolina, 2012 Every severe thunderstorm warning 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.