Alert archive / Virginia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 76, NWS Wakefield, VA

May 4, 20218 counties in Virginia

NWS Wakefield, VA issued this severe thunderstorm warning at May 4, 2021, 7:11 PM EDT for 8 counties in Virginia. It was in force for 34 min. 1 report 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 4, 2021, 7:11 PM EDT (23:11 UTC)
Expired: May 4, 2021, 7:45 PM EDT
In force: 34 min
Issued by: NWS Wakefield, VA
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties City of Hampton, VA, City of Newport News, VA, City of Norfolk, VA, City of Poquoson, VA, City of Portsmouth, VA, City of Suffolk, VA, Isle of Wight County, VA, York County, VA

The radar

The Norfolk radar (KAKQ), 55 km from the middle of the area, began a volume at 23:14 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 4, 7:12 PM EDT	TSTM WND DMG	Seaford, VA	TREE AND A POWER LINE DOWN.

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 4, 1:51 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 12:00Z, 11.2 hours before the alert went out and 132 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: 60 J/kg
Mixed-layer CIN: -270 J/kg
Mixed-layer LCL: 1140 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 46 m²/s²
0-3 km storm-relative helicity: 96 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

019 
WUUS51 KAKQ 042311
SVRAKQ
VAC093-199-650-700-710-735-740-800-042345-
/O.NEW.KAKQ.SV.W.0076.210504T2311Z-210504T2345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Wakefield VA
711 PM EDT Tue May 4 2021

The National Weather Service in Wakefield has issued a

* Severe Thunderstorm Warning for...
  The City of Poquoson in southeastern Virginia...
  The northern City of Norfolk in southeastern Virginia...
  The northwestern City of Portsmouth in southeastern Virginia...
  Northeastern Isle of Wight County in southeastern Virginia...
  The northeastern City of Suffolk 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 745 PM EDT.

* At 711 PM EDT, severe thunderstorms were located along a line
  extending from near Hayes to near Seaford to near Crittenden,
  moving east at 45 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to trees and powerlines.

* Severe thunderstorms will be near,
  Old Dominion University around 720 PM EDT.
  Hampton University, Fort Monroe and Norfolk NAS around 725 PM EDT.
  Ocean View, Norfolk, Buckroe Beach and Grand View around 730 PM 
  EDT.

Other locations impacted by these severe thunderstorms include
Carrollton, Lackey, Benns Church, Oriana, Huntersville, Hilton
Village, Chuckatuck, Newport News Golf Course, Wards Corner and
Oyster Point.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

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

&&

LAT...LON 3694 7621 3691 7623 3686 7633 3687 7642
      3686 7643 3685 7658 3711 7662 3718 7659
      3718 7658 3726 7656 3725 7650 3726 7636
      3715 7625 3710 7623 3698 7625
TIME...MOT...LOC 2311Z 250DEG 39KT 3734 7652 3716 7637 3694 7649 

HAIL...<.75IN
WIND...60MPH
 
$$

Rogers

The office that day

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

Issued	Product	Office	Counties	Lasted
May 4, 3:41 PM EDT	Small Craft Advisory	AKQ		42 hr
May 4, 4:12 PM EDT	Severe Thunderstorm Warning	AKQ	Cumberland, Fluvanna, Goochland, Louisa, Powhatan	48 min
May 4, 4:31 PM EDT	Special Weather Statement	AKQ	Prince Edward	44 min
May 4, 4:52 PM EDT	Severe Thunderstorm Warning	AKQ	Caroline, Goochland, Hanover, Henrico, Louisa, Powhatan	38 min
May 4, 4:59 PM EDT	Severe Thunderstorm Warning	AKQ	Amelia, Cumberland, Nottoway, Powhatan, Prince Edward	31 min
May 4, 5:07 PM EDT	Special Weather Statement	AKQ	Brunswick, Greensville, City of Emporia	38 min
May 4, 5:12 PM EDT	Special Weather Statement	AKQ	Mecklenburg	48 min
May 4, 5:27 PM EDT	Severe Thunderstorm Warning	AKQ	Caroline, Chesterfield, Essex, Goochland, Hanover, Henrico and 7 more	48 min
May 4, 5:32 PM EDT	Special Weather Statement	AKQ	Dinwiddie, Greensville, Southampton, Sussex, City of Emporia	43 min
May 4, 5:35 PM EDT	Severe Thunderstorm Warning	AKQ	Dinwiddie, Greensville, Southampton, Sussex	40 min
May 4, 5:43 PM EDT	Severe Thunderstorm Warning	AKQ	Dinwiddie, Prince George, Sussex	32 min
May 4, 5:47 PM EDT	Severe Thunderstorm Warning	AKQ	Greensville, Southampton, Sussex	28 min
May 4, 6:11 PM EDT	Severe Thunderstorm Warning	AKQ	Essex, Hanover, Henrico, King and Queen, King William, Lancaster and 5 more	49 min
May 4, 6:12 PM EDT	Severe Thunderstorm Warning	AKQ	Isle of Wight, James City, Southampton, Surry, Sussex	33 min
May 4, 6:20 PM EDT	Special Weather Statement	AKQ	Southampton, City of Franklin, City of Suffolk	25 min
May 4, 6:29 PM EDT	Special Marine Warning	AKQ		61 min
May 4, 6:39 PM EDT	Severe Thunderstorm Warning	AKQ	Isle of Wight, James City, Surry, York, City of Hampton, City of Newport News and 3 more	36 min
May 4, 6:48 PM EDT	Special Weather Statement	AKQ	City of Franklin, City of Portsmouth, City of Suffolk	42 min
May 4, 6:54 PM EDT	Severe Thunderstorm Warning	AKQ	King and Queen, Lancaster, Middlesex, Northumberland	51 min
May 4, 6:56 PM EDT	Special Marine Warning	AKQ		34 min
May 4, 6:58 PM EDT	Special Marine Warning	AKQ		62 min
May 4, 7:01 PM EDT	Special Marine Warning	AKQ		74 min
May 4, 7:12 PM EDT	Special Marine Warning	AKQ		78 min
May 4, 7:15 PM EDT	Severe Thunderstorm Warning	AKQ	City of Chesapeake, City of Suffolk	30 min
May 4, 7:39 PM EDT	Severe Thunderstorm Warning	AKQ	City of Chesapeake, City of Virginia Beach	36 min
May 4, 7:41 PM EDT	Special Weather Statement	AKQ	City of Norfolk, City of Portsmouth, City of Virginia Beach	49 min
May 4, 7:55 PM EDT	Special Marine Warning	AKQ		65 min

Nearby

Severe Thunderstorm Warnings in Virginia, 2021 Every 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.