Alert archive / Virginia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 13, NWS Wakefield, VA

March 18, 20216 counties in Virginia

NWS Wakefield, VA issued this severe thunderstorm warning at Mar 18, 2021, 7:45 PM EDT for 6 counties in Virginia. It was in force for 30 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
Mar 18, 2021, 7:45 PM EDT (23:45 UTC)
Expired
Mar 18, 2021, 8:15 PM EDT
In force
30 min
Issued by
NWS Wakefield, VA
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Brunswick County, VA, City of Emporia, VA, Dinwiddie County, VA, Greensville County, VA, Lunenburg County, VA, Mecklenburg County, VA

The radar

The Norfolk radar (KAKQ), 68 km from the middle of the area, began a volume at 23:48 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
Mar 18, 5:09 PM EDTTornado WatchSPC6 hr

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 11.8 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-pSkew-T log-p diagram, Roanoke, 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, Roanoke, VA at 12:00Z on 2021-03-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 626 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
517 m above ground
0-6 km bulk shear
70 kt
0-1 km storm-relative helicity
626 m²/s²
0-3 km storm-relative helicity
780 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

141 
WUUS51 KAKQ 182345
SVRAKQ
VAC025-053-081-111-117-595-190015-
/O.NEW.KAKQ.SV.W.0013.210318T2345Z-210319T0015Z/

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

The National Weather Service in Wakefield has issued a

* Severe Thunderstorm Warning for...
  Greensville County in southeastern Virginia...
  Eastern Mecklenburg County in south central Virginia...
  Southeastern Lunenburg County in south central Virginia...
  The City of Emporia in southeastern Virginia...
  Southwestern Dinwiddie County in south central Virginia...
  Brunswick County in south central Virginia...

* Until 815 PM EDT.

* At 745 PM EDT, severe thunderstorms were located along a line
  extending from 7 miles south of Kenbridge to near La Crosse to 6
  miles west of Ebony, moving northeast at 55 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.

* Severe thunderstorms will be near,
  Lawrenceville, Dundas and Gasburg around 755 PM EDT.
  Brunswick and Alberta around 800 PM EDT.
  McKenney around 810 PM EDT.
  Emporia, Purdy, Radium and Dewitt around 815 PM EDT.

Other locations impacted by these severe thunderstorms include Bacons
Fork, Cochran, Beechwood, Gills Corner, Bufford Crossroads, Lanes
Corner, Dolphin, Bowens Corner, Pleasant Shade and Slates Corner.

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 northeastern
North Carolina...and south central and southeastern Virginia.

LAT...LON 3698 7793 3699 7789 3700 7789 3714 7763
      3690 7758 3688 7762 3684 7756 3670 7750
      3667 7750 3665 7746 3655 7746 3654 7821
      3680 7828
TIME...MOT...LOC 2345Z 241DEG 53KT 3686 7815 3672 7806 3654 7811 

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

05
1 follow-up statement
456 
WWUS51 KAKQ 182355
SVSAKQ

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

VAC025-053-081-111-117-595-190015-
/O.CON.KAKQ.SV.W.0013.000000T0000Z-210319T0015Z/
Greensville VA-Mecklenburg VA-Lunenburg VA-City of Emporia VA-
Dinwiddie VA-Brunswick VA-
755 PM EDT Thu Mar 18 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM EDT
FOR GREENSVILLE...EASTERN MECKLENBURG...SOUTHEASTERN LUNENBURG...
SOUTHWESTERN DINWIDDIE AND BRUNSWICK COUNTIES AND THE CITY OF
EMPORIA...

At 754 PM EDT, severe thunderstorms were located along a line
extending from near Dundas to near Brodnax to near Ebony, moving east
at 50 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.

These severe storms will be near...
  Lawrenceville and Brunswick around 800 PM EDT.
  Alberta around 805 PM EDT.
  Barley and Radium around 815 PM EDT.
  McKenney and Purdy around 820 PM EDT.
  Emporia and Dahlia around 825 PM EDT.

Other locations impacted by these severe thunderstorms include Bacons
Fork, Cochran, Beechwood, Gills Corner, Bufford Crossroads, Lanes
Corner, Dolphin, Bowens Corner, Pleasant Shade and Slates Corner.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain alert for a possible tornado! Tornadoes can develop quickly 
from severe thunderstorms. If you spot a tornado go at once into the 
basement or small central room in a sturdy structure.

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

A Tornado Watch remains in effect until 900 PM EDT for northeastern
North Carolina...and south central and southeastern Virginia.

&&

LAT...LON 3698 7793 3699 7789 3700 7789 3714 7763
      3690 7758 3688 7762 3684 7756 3670 7750
      3667 7750 3665 7746 3655 7746 3654 7821
      3680 7828
TIME...MOT...LOC 2354Z 263DEG 40KT 3686 7803 3672 7794 3654 7799 

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

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, 6:00 PM EDTSevere Thunderstorm WarningAKQIsle of Wight, York, City of Hampton, City of Newport News, City of Poquoson45 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, 7:59 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.