Alert archive / North Carolina / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 21, NWS Wakefield, VA

April 7, 2020Hertford County, Northampton County, North Carolina; Greensville County, Southampton County, Virginia

NWS Wakefield, VA issued this severe thunderstorm warning at Apr 7, 2020, 3:34 PM EDT for Hertford County, Northampton County, North Carolina; Greensville County, Southampton County, Virginia. It was in force for 21 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
Apr 7, 2020, 3:34 PM EDT (19:34 UTC)
Expired
Apr 7, 2020, 3:55 PM EDT
In force
21 min
Issued by
NWS Wakefield, VA
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Hertford County, NC, Northampton County, NC, Greensville County, VA, Southampton County, VA

The radar

The Norfolk radar (KAKQ), 54 km from the middle of the area, began a volume at 19:37 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 nearest sounding before it

Newport, NC (KMHX), launched 12:00Z, 7.6 hours before the alert went out and 191 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, Newport, NC at 12:00Z on 2020-04-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 267 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Newport, NC at 12:00Z on 2020-04-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 111 square meters per square second.1939587897117Sfc1 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
267 J/kg
Mixed-layer CIN
-163 J/kg
Mixed-layer LCL
1156 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
111 m²/s²
0-3 km storm-relative helicity
145 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

128 
WUUS51 KAKQ 071934
SVRAKQ
NCC091-131-VAC081-175-072015-
/O.NEW.KAKQ.SV.W.0021.200407T1934Z-200407T2015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Wakefield VA
334 PM EDT Tue Apr 7 2020

The National Weather Service in Wakefield has issued a

* Severe Thunderstorm Warning for...
  Northeastern Northampton County in northeastern North Carolina...
  Northwestern Hertford County in northeastern North Carolina...
  Southeastern Greensville County in southeastern Virginia...
  Southwestern Southampton County in southeastern Virginia...

* Until 415 PM EDT.

* At 334 PM EDT, a severe thunderstorm was located near Claresville,
  or 8 miles east of Dahlia, moving east 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.

* This severe thunderstorm will be near,
  Boykins around 355 PM EDT.
  Newsoms around 400 PM EDT.
  Murfreesboro and Chowan University around 410 PM EDT.
  Como around 415 PM EDT.

Other locations impacted by this severe thunderstorm include Adams
Grove, Pendleton, Mapleton, Bryants Corner, Riddicksville, Sunbeam,
Oak Villa, Severn, Margarettsville and Bartonsville.

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 3632 7692 3654 7751 3671 7743 3660 7691
      3658 7691 3656 7693 3656 7692 3653 7692
      3652 7690 3648 7694 3647 7693 3647 7695
      3641 7695 3639 7691
TIME...MOT...LOC 1934Z 289DEG 28KT 3660 7738 

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

Rogers
2 follow-up statements
277 
WWUS51 KAKQ 071947
SVSAKQ

Severe Weather Statement
National Weather Service Wakefield VA
347 PM EDT Tue Apr 7 2020

VAC081-071956-
/O.CAN.KAKQ.SV.W.0021.000000T0000Z-200407T2015Z/
Greensville VA-
347 PM EDT Tue Apr 7 2020

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN GREENSVILLE
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 3632 7692 3650 7738 3667 7726 3660 7691
      3658 7691 3656 7693 3656 7692 3653 7692
      3652 7690 3648 7694 3647 7693 3647 7695
      3641 7695 3639 7691
TIME...MOT...LOC 1946Z 289DEG 28KT 3657 7727 

$$

NCC091-131-VAC175-072015-
/O.CON.KAKQ.SV.W.0021.000000T0000Z-200407T2015Z/
Northampton NC-Hertford NC-Southampton VA-
347 PM EDT Tue Apr 7 2020

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM EDT
FOR NORTHEASTERN NORTHAMPTON...NORTHWESTERN HERTFORD AND SOUTH
CENTRAL SOUTHAMPTON COUNTIES...

At 346 PM EDT, a severe thunderstorm was located near Boykins, moving
east 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.

This severe storm will be near...
  Boykins around 355 PM EDT.
  Newsoms around 400 PM EDT.
  Murfreesboro and Chowan University around 410 PM EDT.
  Como around 415 PM EDT.

Other locations impacted by this severe thunderstorm include
Pendleton, Mapleton, Riddicksville, Sunbeam, Oak Villa, Severn,
Margarettsville, Bartonsville, Riverdale and Branchville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3632 7692 3650 7738 3667 7726 3660 7691
      3658 7691 3656 7693 3656 7692 3653 7692
      3652 7690 3648 7694 3647 7693 3647 7695
      3641 7695 3639 7691
TIME...MOT...LOC 1946Z 289DEG 28KT 3657 7727 

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

44
574 
WWUS51 KAKQ 071955
SVSAKQ

Severe Weather Statement
National Weather Service Wakefield VA
355 PM EDT Tue Apr 7 2020

NCC091-131-VAC175-072005-
/O.CAN.KAKQ.SV.W.0021.000000T0000Z-200407T2015Z/
Northampton NC-Hertford NC-Southampton VA-
355 PM EDT Tue Apr 7 2020

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN NORTHAMPTON...
NORTHWESTERN HERTFORD AND SOUTH CENTRAL SOUTHAMPTON COUNTIES IS
CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.  However small hail and
gusty winds are still possible with this thunderstorm.

LAT...LON 3632 7692 3650 7738 3667 7726 3660 7691
      3658 7691 3656 7693 3656 7692 3653 7692
      3652 7690 3648 7694 3647 7693 3647 7695
      3641 7695 3639 7691
TIME...MOT...LOC 1953Z 289DEG 28KT 3654 7717 

$$

44

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 7, 3:14 PM EDTSpecial Weather StatementAKQHalifax46 min
Apr 7, 4:08 PM EDTSpecial Weather StatementAKQGates, Hertford52 min
Apr 7, 4:27 PM EDTSevere Thunderstorm WarningAKQBertie, Gates, Hertford33 min
Apr 7, 5:03 PM EDTSpecial Weather StatementAKQBertie27 min
Apr 7, 5:39 PM EDTSpecial Weather StatementAKQBertie36 min
Apr 7, 12:27 PM EDTSpecial Weather StatementAKQPrince Edward48 min
Apr 7, 12:58 PM EDTSpecial Weather StatementAKQNottoway, Prince Edward47 min
Apr 7, 1:39 PM EDTSpecial Weather StatementAKQLunenburg51 min
Apr 7, 1:43 PM EDTSevere Thunderstorm WarningAKQBrunswick, Lunenburg, Mecklenburg47 min
Apr 7, 2:27 PM EDTSevere Thunderstorm WarningAKQBrunswick36 min
Apr 7, 2:32 PM EDTSpecial Weather StatementAKQSussex28 min
Apr 7, 2:46 PM EDTSevere Thunderstorm WarningAKQSouthampton, Sussex24 min
Apr 7, 3:06 PM EDTSevere Thunderstorm WarningAKQMecklenburg22 min
Apr 7, 3:57 PM EDTSevere Thunderstorm WarningAKQCaroline, Essex, Northumberland, Richmond, Westmoreland48 min
Apr 7, 4:30 PM EDTSevere Thunderstorm WarningAKQEssex, King and Queen, Lancaster, Middlesex, Northumberland, Richmond and 1 more45 min
Apr 7, 4:39 PM EDTSpecial Marine WarningAKQ96 min
Apr 7, 5:11 PM EDTSevere Thunderstorm WarningAKQLancaster, Mathews, Middlesex, Northumberland34 min
Apr 7, 5:18 PM EDTSpecial Weather StatementAKQHanover27 min
Apr 7, 5:32 PM EDTSpecial Marine WarningAKQ43 min
Apr 7, 5:35 PM EDTSevere Thunderstorm WarningAKQAccomack, Northampton55 min
Apr 7, 5:46 PM EDTSpecial Weather StatementAKQChesterfield, Henrico, King William, City of Richmond44 min
Apr 7, 6:05 PM EDTSpecial Marine WarningAKQ55 min
Apr 7, 6:13 PM EDTSpecial Weather StatementAKQCharles City, Henrico, New Kent, Prince George, City of Colonial Heights, City of Hopewell and 1 more32 min
Apr 7, 6:40 PM EDTSpecial Marine WarningAKQ65 min
Apr 7, 6:40 PM EDTSpecial Weather StatementAKQSurry50 min
Apr 7, 6:47 PM EDTSevere Thunderstorm WarningAKQCharles City, Prince George, Surry, Sussex28 min
Apr 7, 6:52 PM EDTSpecial Marine WarningAKQ53 min
Apr 7, 7:15 PM EDTSpecial Weather StatementAKQIsle of Wight45 min
Apr 7, 7:38 PM EDTSpecial Weather StatementAKQIsle of Wight, City of Portsmouth37 min
Apr 7, 7:46 PM EDTSpecial Marine WarningAKQ29 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2020Severe Thunderstorm Warnings in Virginia, 2020Every severe thunderstorm warning 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.