Alert archive / Virginia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 9, NWS Wakefield, VA

March 18, 20215 counties in Virginia

NWS Wakefield, VA issued this severe thunderstorm warning at Mar 18, 2021, 6:00 PM EDT for 5 counties in Virginia. It was in force for 45 min. 7 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
Mar 18, 2021, 6:00 PM EDT (22:00 UTC)
Expired
Mar 18, 2021, 6:45 PM EDT
In force
45 min
Issued by
NWS Wakefield, VA
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

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

The radar

The Norfolk radar (KAKQ), 57 km from the middle of the area, began a volume at 22:02 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
Mar 18, 6:03 PM EDTHAIL 11 Wnw Mogarts Beach, VA
Mar 18, 6:09 PM EDTHAIL 11 Ne Beaconsdale, VANICKEL TO QUARTER SIZE HAIL IS CURRENTLY FALLING.
Mar 18, 6:15 PM EDTHAIL 1.252 Sw Poquoson, VA
Mar 18, 6:17 PM EDTHAIL 1.753 W Langley Afb, VAREPORT VIA TWITTER. TIME ESTIMATED FROM RADAR.
Mar 18, 6:18 PM EDTHAIL 12 Se Tabb, VAREPORT VIA TWITTER.
Mar 18, 6:22 PM EDTHAIL 1Langley Afb, VAREPORT VIA TWITTER.
Mar 18, 6:25 PM EDTHAIL 1.251 Wnw Hallwood, VA

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.

IssuedProductOfficeLasted
Mar 18, 5:09 PM EDTTornado WatchSPC6 hr

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 12:00Z, 10.0 hours before the alert went out and 130 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 2021-03-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2021-03-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 207 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
535 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
207 m²/s²
0-3 km storm-relative helicity
300 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

570 
WUUS51 KAKQ 182200
SVRAKQ
VAC093-199-650-700-735-182245-
/O.NEW.KAKQ.SV.W.0009.210318T2200Z-210318T2245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Wakefield VA
600 PM EDT Thu Mar 18 2021

The National Weather Service in Wakefield has issued a

* Severe Thunderstorm Warning for...
  The City of Poquoson in southeastern Virginia...
  Northeastern Isle of Wight County 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 645 PM EDT.

* At 600 PM EDT, a severe thunderstorm was located over Rescue, or
  near Smithfield, moving northeast at 35 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.

* This severe thunderstorm will be near,
  Christopher Newport University, Patrick Henry Field, Beaconsdale 
  and Denbigh around 610 PM EDT.
  Northampton and Tabb around 615 PM EDT.
  Hampton, Langley AFB and Hampton University around 620 PM EDT.
  Buckroe Beach and Fort Monroe around 625 PM EDT.
  Grand View around 630 PM EDT.

Other locations impacted by this severe thunderstorm include Fox
Hill, Phoebus, Langley View, Oriana, Hilton Village, Raleigh Terrace,
Dare, Oyster Point, Messick and Mogarts Beach.

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.

&&

A Tornado Watch remains in effect until 900 PM EDT for southeastern
Virginia.

LAT...LON 3702 7624 3693 7651 3708 7666 3726 7638
      3705 7623
TIME...MOT...LOC 2200Z 245DEG 29KT 3701 7655 

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

44
1 follow-up statement
608 
WWUS51 KAKQ 182243
SVSAKQ

Severe Weather Statement
National Weather Service Wakefield VA
643 PM EDT Thu Mar 18 2021

VAC093-199-650-700-735-182253-
/O.EXP.KAKQ.SV.W.0009.000000T0000Z-210318T2245Z/
City of Poquoson VA-Isle of Wight VA-York VA-City of Hampton VA-
City of Newport News VA-
643 PM EDT Thu Mar 18 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN ISLE OF WIGHT...
AND SOUTHEASTERN YORK COUNTIES...THE CITY OF POQUOSON...THE CITY OF
HAMPTON AND THE CITY OF NEWPORT NEWS WILL EXPIRE AT 645 PM EDT...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.  However gusty winds and heavy rain are still
possible with this thunderstorm.

A Tornado Watch remains in effect until 900 PM EDT for southeastern
Virginia.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Wakefield.

LAT...LON 3702 7624 3693 7651 3708 7666 3726 7638
      3705 7623
TIME...MOT...LOC 2243Z 245DEG 29KT 3715 7616 

$$

05

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 18, 3:50 AM EDTCoastal Flood WatchAKQJames City, Northampton, Surry, York, City of Chesapeake, City of Hampton and 4 more39 hr
Mar 18, 4:08 AM EDTGale WarningAKQ45 hr
Mar 18, 4:11 AM EDTWind AdvisoryAKQAccomack, Gloucester, Lancaster, Mathews, Middlesex, Northampton and 7 more45 hr
Mar 18, 2:08 PM EDTHigh Surf AdvisoryAKQAccomack, Northampton, City of Virginia Beach60 hr
Mar 18, 5:07 PM EDTSpecial Weather StatementAKQGreensville, City of Emporia38 min
Mar 18, 5:11 PM EDTSevere Thunderstorm WarningAKQSouthampton, Sussex34 min
Mar 18, 5:18 PM EDTTornado WarningAKQGreensville27 min
Mar 18, 5:31 PM EDTTornado WarningAKQGreensville, Southampton, Sussex29 min
Mar 18, 5:37 PM EDTSevere Thunderstorm WarningAKQIsle of Wight, Southampton, Surry38 min
Mar 18, 5:40 PM EDTSpecial Marine WarningAKQ65 min
Mar 18, 5:48 PM EDTSevere Thunderstorm WarningAKQSouthampton, Sussex27 min
Mar 18, 6:04 PM EDTSpecial Marine WarningAKQ56 min
Mar 18, 6:17 PM EDTSevere Thunderstorm WarningAKQIsle of Wight, Southampton28 min
Mar 18, 6:34 PM EDTSevere Thunderstorm WarningAKQNorthampton41 min
Mar 18, 6:46 PM EDTSpecial Weather StatementAKQYork, City of Hampton, City of Newport News, City of Poquoson29 min
Mar 18, 6:52 PM EDTSpecial Weather StatementAKQAccomack38 min
Mar 18, 7:28 PM EDTSevere Thunderstorm WarningAKQPrince George, Surry, Sussex47 min
Mar 18, 7:45 PM EDTSevere Thunderstorm WarningAKQBrunswick, Dinwiddie, Greensville, Lunenburg, Mecklenburg, City of Emporia30 min
Mar 18, 7:59 PM EDTTornado WarningAKQBrunswick, Greensville, Mecklenburg31 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.