Alert archive / Virginia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 152, NWS Wakefield, VA

July 29, 20218 counties in Virginia

NWS Wakefield, VA issued this severe thunderstorm warning at Jul 29, 2021, 7:26 PM EDT for 8 counties in Virginia. It was in force for 49 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
Jul 29, 2021, 7:26 PM EDT (23:26 UTC)
Expired
Jul 29, 2021, 8:15 PM EDT
In force
49 min
Issued by
NWS Wakefield, VA
Area
Storm-based polygon
Hail
1.75 in
Wind
70.0 mph

Counties City of Newport News, VA, City of Williamsburg, VA, Gloucester County, VA, James City County, VA, King and Queen County, VA, King William County, VA, New Kent County, VA, York County, VA

The radar

The Norfolk radar (KAKQ), 41 km from the middle of the area, began a volume at 23:29 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

TimeReportWhereRemark
Jul 29, 7:28 PM EDTTSTM WND DMGCohoke, VAROOF BLOWN OFF A HOUSE ALONG MT OLIVE COHOKE RD. WINDS ESTIMATED AROUND 75 MPH BASED ON DAMAGE.
Jul 29, 7:55 PM EDTTSTM WND DMG1 Wnw Norge, VANUMEROUS TREES UPROOTED AND SNAPPED AT THE OLIVE BRANCH CHRISTIAN CHURCH CEMETERY NEAR NORGE.
Jul 29, 7:55 PM EDTTSTM WND GST 651 Nw Norge, VALARGE BRANCHES REPORTED DOWN IN TOWN OF NORGE. TIME RADAR ESTIMATED.
Jul 29, 8:00 PM EDTTSTM WND DMGNorge, VANUMEROUS REPORTS OF TREES AND LARGE TREE LIMBS DOWNED ON US-60. TIME IS RADAR ESTIMATED.
Jul 29, 8:00 PM EDTTSTM WND DMGToano, VAMULTIPLE AREAS OF TREES AND POWERLINES DOWN ACROSS THE NORTHERN PORTION OF JAMES CITY COUNTY. TIME ESTIMATED FROM RADAR.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 12:00Z, 11.4 hours before the alert went out and 137 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 2021-07-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 581 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 12:00Z on 2021-07-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 44 square meters per square second.19395878Sfc1 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
581 J/kg
Mixed-layer CIN
-61 J/kg
Mixed-layer LCL
863 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
44 m²/s²
0-3 km storm-relative helicity
112 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

The text

As transmitted.

758 
WUUS51 KAKQ 292326
SVRAKQ
VAC073-095-097-101-127-199-700-830-300015-
/O.NEW.KAKQ.SV.W.0152.210729T2326Z-210730T0015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Wakefield VA
726 PM EDT Thu Jul 29 2021

The National Weather Service in Wakefield has issued a

* Severe Thunderstorm Warning for...
  Gloucester County in eastern Virginia...
  Southeastern King and Queen County in east central Virginia...
  York County in southeastern Virginia...
  Eastern New Kent County in east central Virginia...
  Southeastern King William County in east central Virginia...
  The northern City of Newport News in southeastern Virginia...
  James City County in southeastern Virginia...
  The City of Williamsburg in southeastern Virginia...

* Until 815 PM EDT.

* At 726 PM EDT, a severe thunderstorm was located near West Point,
  moving southeast at 30 mph.

  HAZARD...Golf ball size hail and 70 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...People and animals outdoors will be injured. Expect hail 
           damage to roofs, siding, windows, and vehicles. Expect 
           considerable tree damage. Wind damage is also likely to 
           mobile homes, roofs, and outbuildings.

* Locations impacted include...
  Newport News, New Kent, Williamsburg, Gloucester Courthouse, West
  Point, Queens Lake, Virginia Institute For Marine Sciences, Norge,
  Toano, Gloucester Point, College Of William And Mary, Busch
  Gardens, Hayes, Carver Gardens, Kings Point, Jamestown, Wicomico,
  Achilles, York Terrace and Lee Hall.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This storm is producing destructive winds and large damaging hail.
SEEK SHELTER NOW inside a sturdy structure and stay away from
windows!

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

&&

LAT...LON 3709 7665 3714 7667 3717 7668 3717 7666
      3720 7669 3718 7670 3716 7672 3724 7679
      3736 7688 3737 7687 3737 7689 3755 7702
      3766 7683 3734 7635 3727 7633
TIME...MOT...LOC 2326Z 315DEG 28KT 3751 7681 

HAIL...1.75IN
WIND...70MPH
 
$$

05
1 follow-up statement
650 
WWUS51 KAKQ 292347
SVSAKQ

Severe Weather Statement
National Weather Service Wakefield VA
747 PM EDT Thu Jul 29 2021

VAC101-292356-
/O.CAN.KAKQ.SV.W.0152.000000T0000Z-210730T0015Z/
King William VA-
747 PM EDT Thu Jul 29 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN KING WILLIAM
COUNTY IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 3709 7665 3717 7668 3717 7666 3720 7669
      3716 7672 3736 7688 3737 7687 3737 7689
      3740 7690 3740 7691 3744 7694 3756 7668
      3734 7635 3727 7633
TIME...MOT...LOC 2346Z 315DEG 28KT 3739 7667 

$$

VAC073-095-097-127-199-700-830-300015-
/O.CON.KAKQ.SV.W.0152.000000T0000Z-210730T0015Z/
Gloucester VA-King and Queen VA-York VA-New Kent VA-
City of Newport News VA-James City VA-City of Williamsburg VA-
747 PM EDT Thu Jul 29 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM EDT
FOR GLOUCESTER...SOUTHEASTERN KING AND QUEEN...YORK...SOUTHEASTERN
NEW KENT...AND JAMES CITY COUNTIES...THE NORTHERN CITY OF NEWPORT
NEWS AND THE CITY OF WILLIAMSBURG...

At 746 PM EDT, a severe thunderstorm was located near Norge, moving
southeast at 30 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Minor damage to vehicles is possible. Expect wind damage to 
         trees and powerlines.

Locations impacted include...
Newport News, Williamsburg, Gloucester Courthouse, Queens Lake,
Virginia Institute For Marine Sciences, Norge, Toano, Gloucester
Point, College Of William And Mary, Busch Gardens, Hayes, Carver
Gardens, Kings Point, Jamestown, Wicomico, Achilles, York Terrace,
Lee Hall, Grove and Barhamsville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for large hail and damaging winds. People outside
should move to a shelter, inside a strong building and away from
windows.

&&

LAT...LON 3709 7665 3717 7668 3717 7666 3720 7669
      3716 7672 3736 7688 3737 7687 3737 7689
      3740 7690 3740 7691 3744 7694 3756 7668
      3734 7635 3727 7633
TIME...MOT...LOC 2346Z 315DEG 28KT 3739 7667 

HAIL...1.00IN
WIND...60MPH
 
$$

05

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 28, 8:44 PM EDTSpecial Weather StatementAKQHanover46 min
Jul 28, 8:51 PM EDTSevere Thunderstorm WarningAKQGoochland, Hanover, Henrico, Louisa39 min
Jul 28, 9:19 PM EDTSpecial Weather StatementAKQHanover26 min
Jul 28, 9:37 PM EDTSevere Thunderstorm WarningAKQGoochland, Henrico, Powhatan23 min
Jul 28, 9:58 PM EDTSevere Thunderstorm WarningAKQChesterfield, Goochland, Powhatan32 min
Jul 28, 10:50 PM EDTSpecial Weather StatementAKQFluvanna40 min
Jul 29, 1:47 PM EDTSmall Craft AdvisoryAKQ17 hr
Jul 29, 5:27 PM EDTSevere Thunderstorm WarningAKQCaroline33 min
Jul 29, 5:55 PM EDTSevere Thunderstorm WarningAKQCaroline, Essex, King and Queen, Westmoreland35 min
Jul 29, 6:19 PM EDTSevere Thunderstorm WarningAKQEssex, King and Queen, King William, Richmond41 min
Jul 29, 6:48 PM EDTSevere Thunderstorm WarningAKQEssex, Gloucester, James City, King and Queen, King William, Middlesex and 1 more42 min
Jul 29, 7:21 PM EDTSpecial Marine WarningAKQ54 min

Nearby

Severe Thunderstorm Warnings in Virginia, 2021Every severe thunderstorm warning in 2021

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.