Alert archive / Virginia / Tornado Warnings in 2020

Tornado Warning 13, NWS Wakefield, VA

August 4, 20207 counties in Virginia

NWS Wakefield, VA issued this tornado warning at Aug 4, 2020, 1:24 AM EDT for 7 counties in Virginia. It was in force for 36 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 4, 2020, 1:24 AM EDT (05:24 UTC)
Expired
Aug 4, 2020, 2:00 AM EDT
In force
36 min
Issued by
NWS Wakefield, VA
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties City of Hampton, VA, City of Newport News, VA, City of Norfolk, VA, City of Poquoson, VA, City of Portsmouth, VA, City of Virginia Beach, VA, York County, VA

The radar

The Norfolk radar (KAKQ), 66 km from the middle of the area, began a volume at 05:27 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Aug 3, 8:49 PM EDTTornado WatchSPC9 hr

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 00:00Z, 5.4 hours before the alert went out and 135 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 00:00Z on 2020-08-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 920 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Wallops Is Stn, VA at 00:00Z on 2020-08-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 59 square meters per square second.193958Sfc1 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
920 J/kg
Mixed-layer CIN
-35 J/kg
Mixed-layer LCL
841 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
59 m²/s²
0-3 km storm-relative helicity
75 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.5

Open this sounding in Storm Lab

The text

As transmitted.

303 
WFUS51 KAKQ 040524
TORAKQ
VAC199-650-700-710-735-740-810-040600-
/O.NEW.KAKQ.TO.W.0013.200804T0524Z-200804T0600Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Wakefield VA
124 AM EDT Tue Aug 4 2020

The National Weather Service in Wakefield has issued a

* Tornado Warning for...
  The City of Poquoson in southeastern Virginia...
  The City of Norfolk in southeastern Virginia...
  The City of Portsmouth in southeastern Virginia...
  The northwestern City of Virginia Beach in southeastern Virginia...
  Southeastern York County in southeastern Virginia...
  The City of Hampton in southeastern Virginia...
  The City of Newport News in southeastern Virginia...

* Until 200 AM EDT.
    
* At 124 AM EDT, a severe thunderstorm capable of producing a tornado
  was located over Norfolk, or over Old Dominion University, moving
  north at 35 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This dangerous storm will be near...
  Ocean View and Norfolk NAS around 130 AM EDT.
  Hampton University and Fort Monroe around 140 AM EDT.
  Northampton, Buckroe Beach and Grand View around 145 AM EDT.
  Langley AFB and Beaconsdale around 150 AM EDT.
  Hampton around 155 AM EDT.
  Seaford, Patrick Henry Field and Tabb around 200 AM EDT.

Other locations impacted by this tornadic thunderstorm include Fox
Hill, Phoebus, Langley View, Raleigh Terrace, Dare, Bayside, Wards
Corner, Messick, Willoughby Spit and Plum Tree Island Refuge.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

Please report severe weather by calling 757-899-2415, posting to the
NWS Wakefield Facebook page, or using Twitter @NWSWAKEFIELDVA.

&&

LAT...LON 3683 7622 3684 7623 3682 7626 3683 7628
      3681 7629 3680 7634 3718 7654 3723 7632
      3710 7622 3700 7625 3696 7615 3685 7612
TIME...MOT...LOC 0524Z 163DEG 29KT 3690 7626 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

Rogers
2 follow-up statements
187 
WWUS51 KAKQ 040531
SVSAKQ

Severe Weather Statement
National Weather Service Wakefield VA
131 AM EDT Tue Aug 4 2020

VAC810-040540-
/O.CAN.KAKQ.TO.W.0013.000000T0000Z-200804T0600Z/
City of Virginia Beach VA-
131 AM EDT Tue Aug 4 2020

...THE TORNADO WARNING FOR THE NORTHWESTERN CITY OF VIRGINIA BEACH IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 600 AM EDT for southeastern
Virginia.

LAT...LON 3693 7617 3692 7616 3692 7618 3691 7617
      3692 7619 3688 7620 3685 7618 3684 7619
      3684 7623 3682 7626 3683 7628 3681 7629
      3680 7634 3718 7654 3723 7632 3709 7622
      3700 7625 3695 7615 3692 7614
TIME...MOT...LOC 0530Z 163DEG 29KT 3695 7628 

$$

VAC199-650-700-710-735-740-040600-
/O.CON.KAKQ.TO.W.0013.000000T0000Z-200804T0600Z/
City of Poquoson VA-City of Norfolk VA-City of Portsmouth VA-York VA-
City of Hampton VA-City of Newport News VA-
131 AM EDT Tue Aug 4 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 200 AM EDT FOR
SOUTHEASTERN YORK ...THE CITY OF POQUOSON...THE CITY OF NORFOLK...THE
CITY OF PORTSMOUTH...THE CITY OF HAMPTON AND THE CITY OF NEWPORT
NEWS...
    
At 130 AM EDT, a severe thunderstorm capable of producing a tornado
was located over Norfolk NAS, or over Ocean View, moving north at 35
mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This dangerous storm will be near...
  Hampton University, Fort Monroe and Buckroe Beach around 140 AM 
  EDT.
  Northampton and Grand View around 145 AM EDT.
  Hampton and Langley AFB around 150 AM EDT.
  Tabb around 155 AM EDT.
  Seaford and Patrick Henry Field around 200 AM EDT.

Other locations impacted by this tornadic thunderstorm include Dare,
Fox Hill, Phoebus, Langley View, Wards Corner, Messick, Willoughby
Spit, Plum Tree Island Refuge, Raleigh Terrace and Hornsbyville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3693 7617 3692 7616 3692 7618 3691 7617
      3692 7619 3688 7620 3685 7618 3684 7619
      3684 7623 3682 7626 3683 7628 3681 7629
      3680 7634 3718 7654 3723 7632 3709 7622
      3700 7625 3695 7615 3692 7614
TIME...MOT...LOC 0530Z 163DEG 29KT 3695 7628 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

Rogers
616 
WWUS51 KAKQ 040540
SVSAKQ

Severe Weather Statement
National Weather Service Wakefield VA
140 AM EDT Tue Aug 4 2020

VAC710-740-040549-
/O.CAN.KAKQ.TO.W.0013.000000T0000Z-200804T0600Z/
City of Norfolk VA-City of Portsmouth VA-
140 AM EDT Tue Aug 4 2020

...THE TORNADO WARNING FOR ...THE CITY OF NORFOLK AND THE CITY OF
PORTSMOUTH IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 600 AM EDT for southeastern
Virginia.

LAT...LON 3697 7627 3697 7630 3696 7629 3695 7631
      3696 7632 3695 7634 3693 7641 3718 7654
      3723 7633 3709 7622
TIME...MOT...LOC 0539Z 166DEG 25KT 3701 7629 

$$

VAC199-650-700-735-040600-
/O.CON.KAKQ.TO.W.0013.000000T0000Z-200804T0600Z/
City of Poquoson VA-York VA-City of Hampton VA-
City of Newport News VA-
140 AM EDT Tue Aug 4 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 200 AM EDT FOR
SOUTHEASTERN YORK ...THE CITY OF POQUOSON...THE CITY OF HAMPTON AND
THE CITY OF NEWPORT NEWS...
    
At 139 AM EDT, a severe thunderstorm capable of producing a tornado
was located over Fort Monroe, or over Hampton University, moving
north at 30 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This dangerous storm will be near...
  Langley AFB, Northampton and Grand View around 150 AM EDT.
  Hampton around 155 AM EDT.
  Tabb around 200 AM EDT.
  Seaford around 210 AM EDT.

Other locations impacted by this tornadic thunderstorm include Dare,
Fox Hill, Phoebus, Langley View, Messick, Hornsbyville, Hilton
Village, Plum Tree Island Refuge, Raleigh Terrace and Harris Grove.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3697 7627 3697 7630 3696 7629 3695 7631
      3696 7632 3695 7634 3693 7641 3718 7654
      3723 7633 3709 7622
TIME...MOT...LOC 0539Z 166DEG 25KT 3701 7629 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

Rogers

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 4, 12:16 AM EDTTornado WarningAKQCity of Chesapeake29 min
Aug 4, 12:21 AM EDTTornado WarningAKQCity of Chesapeake, City of Suffolk24 min
Aug 4, 12:49 AM EDTTornado WarningAKQCity of Chesapeake, City of Norfolk, City of Portsmouth, City of Virginia Beach26 min
Aug 4, 1:29 AM EDTFlash Flood WarningAKQJames City, York, City of Newport News, City of Williamsburg5 hr
Aug 4, 1:52 AM EDTSpecial Marine WarningAKQ38 min
Aug 4, 2:18 AM EDTTornado WarningAKQSouthampton, City of Suffolk27 min
Aug 4, 2:21 AM EDTTornado Warning Tornado observedConsiderable damage threatAKQGreensville, Southampton24 min
Aug 4, 2:27 AM EDTTornado WarningAKQGloucester, Mathews, Middlesex, Northumberland33 min
Aug 4, 2:34 AM EDTTornado WarningAKQCity of Suffolk26 min
Aug 4, 2:37 AM EDTTornado WarningAKQCity of Chesapeake, City of Suffolk23 min
Aug 4, 2:45 AM EDTTornado WarningAKQIsle of Wight, Southampton, Sussex, City of Franklin, City of Suffolk30 min
Aug 4, 2:55 AM EDTTornado WarningAKQIsle of Wight, Southampton, City of Suffolk35 min
Aug 4, 2:57 AM EDTTornado Warning Tornado observedConsiderable damage threatAKQIsle of Wight, City of Chesapeake, City of Suffolk33 min
Aug 4, 3:14 AM EDTTornado WarningAKQSouthampton, Sussex31 min
Aug 4, 3:25 AM EDTTornado Warning Tornado observedAKQIsle of Wight, City of Suffolk35 min
Aug 4, 3:42 AM EDTFlash Flood WarningAKQCity of Suffolk3 hr
Aug 4, 3:43 AM EDTTornado WarningAKQCity of Suffolk32 min
Aug 4, 3:49 AM EDTTornado WarningAKQCharles City, James City, Surry26 min
Aug 4, 3:59 AM EDTTornado WarningAKQIsle of Wight, City of Suffolk31 min
Aug 4, 4:08 AM EDTTornado WarningAKQCity of Chesapeake, City of Norfolk, City of Portsmouth, City of Suffolk23 min
Aug 4, 4:15 AM EDTTornado WarningAKQCharles City, James City, New Kent30 min
Aug 4, 4:22 AM EDTFlash Flood WarningAKQChesterfield, Dinwiddie, Goochland, Hanover, Henrico, Prince George and 4 more5 hr
Aug 4, 4:23 AM EDTTornado WarningAKQCity of Virginia Beach37 min
Aug 4, 4:27 AM EDTSpecial Marine WarningAKQ33 min
Aug 4, 4:29 AM EDTTornado WarningAKQGloucester, James City, York, City of Hampton, City of Newport News, City of Poquoson and 1 more31 min
Aug 4, 4:34 AM EDTTornado WarningAKQCharles City, New Kent26 min
Aug 4, 4:38 AM EDTSpecial Marine WarningAKQ2 hr
Aug 4, 4:45 AM EDTSpecial Marine WarningAKQ109 min
Aug 4, 4:47 AM EDTSpecial Marine WarningAKQ28 min
Aug 4, 4:54 AM EDTFlash Flood WarningAKQCharles City, James City, New Kent, Prince George3 hr
Aug 4, 4:57 AM EDTTornado WarningAKQGloucester, James City, King and Queen, King William, New Kent, York33 min
Aug 4, 5:17 AM EDTTornado WarningAKQLancaster, Mathews, Middlesex28 min
Aug 4, 5:24 AM EDTTornado WarningAKQKing and Queen, King William36 min
Aug 4, 5:37 AM EDTSpecial Marine WarningAKQ23 min
Aug 4, 5:41 AM EDTFlash Flood WarningAKQHanover, King William, New Kent3 hr
Aug 4, 5:42 AM EDTTornado WarningAKQLancaster, Northumberland, Richmond33 min
Aug 4, 5:54 AM EDTTornado WarningAKQEssex, Richmond, Westmoreland36 min
Aug 4, 5:59 AM EDTSpecial Marine WarningAKQ41 min
Aug 4, 6:03 AM EDTTornado WarningAKQNorthumberland22 min
Aug 4, 6:48 AM EDTSpecial Marine WarningAKQ42 min
Aug 4, 7:04 AM EDTTornado WarningAKQAccomack26 min
Aug 4, 7:18 AM EDTSpecial Marine WarningAKQ57 min
Aug 4, 8:11 AM EDTSpecial Marine WarningAKQ31 min
Aug 4, 3:02 PM EDTSmall Craft AdvisoryAKQ7 hr

Nearby

Tornado Warnings in Virginia, 2020Every tornado warning in 2020Tornadoes in 2020

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.