Alert archive / Virginia / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 310, NWS Wakefield, VA

September 9, 2019Greensville County, Southampton County, Virginia; Hertford County, Northampton County, North Carolina

NWS Wakefield, VA issued this severe thunderstorm warning at Sep 9, 2019, 10:11 AM EDT for Greensville County, Southampton County, Virginia; Hertford County, Northampton County, North Carolina. It was in force for 49 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
Sep 9, 2019, 10:11 AM EDT (14:11 UTC)
Expired
Sep 9, 2019, 11:00 AM EDT
In force
49 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 14:15 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, 2.2 hours before the alert went out and 193 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 2019-09-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1636 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, Newport, NC at 12:00Z on 2019-09-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 square meters per square second.1939Sfc1 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
1636 J/kg
Mixed-layer CIN
-54 J/kg
Mixed-layer LCL
842 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
72 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.6

Open this sounding in Storm Lab

The text

As transmitted.

664 
WUUS51 KAKQ 091411
SVRAKQ
NCC091-131-VAC081-175-091500-
/O.NEW.KAKQ.SV.W.0310.190909T1411Z-190909T1500Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Wakefield VA
1011 AM EDT Mon Sep 9 2019

The National Weather Service in Wakefield has issued a

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

* Until 1100 AM EDT.

* At 1011 AM EDT, a severe thunderstorm was located over Claresville,
  or 7 miles southeast of Emporia, moving southeast at 25 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 1040 AM EDT.
  Conway around 1050 AM EDT.
  Murfreesboro, Chowan University and Como around 1100 AM EDT.

Other locations impacted by this severe thunderstorm include
Milwaukee, Pendleton, Menola, Mapleton, Bryants Corner, Union,
Riddicksville, Sunbeam, Saint John and Severn.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.

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

&&

LAT...LON 3659 7750 3669 7725 3654 7692 3653 7692
      3652 7690 3648 7694 3647 7694 3647 7695
      3643 7695 3624 7707
TIME...MOT...LOC 1411Z 308DEG 23KT 3664 7742 

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

jo
2 follow-up statements
555 
WWUS51 KAKQ 091435
SVSAKQ

Severe Weather Statement
National Weather Service Wakefield VA
1035 AM EDT Mon Sep 9 2019

VAC081-091445-
/O.CAN.KAKQ.SV.W.0310.000000T0000Z-190909T1500Z/
Greensville VA-
1035 AM EDT Mon Sep 9 2019

...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 3652 7740 3655 7736 3654 7730 3656 7732
      3656 7734 3657 7732 3662 7724 3656 7697
      3635 7711
TIME...MOT...LOC 1435Z 292DEG 19KT 3655 7727 

$$

NCC091-131-VAC175-091500-
/O.CON.KAKQ.SV.W.0310.000000T0000Z-190909T1500Z/
Northampton NC-Hertford NC-Southampton VA-
1035 AM EDT Mon Sep 9 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 AM EDT
FOR NORTHEASTERN NORTHAMPTON...NORTHWESTERN HERTFORD AND SOUTH
CENTRAL SOUTHAMPTON COUNTIES...

At 1035 AM EDT, a severe thunderstorm was located near Boykins,
moving east at 20 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 and Conway around 1045 AM EDT.
  Murfreesboro, Chowan University and Como around 1100 AM EDT.

Other locations impacted by this severe thunderstorm include
Pendleton, Severn, Margarettsville, Branchville, Barretts Crossroad,
Shiloh and Galatia.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

&&

LAT...LON 3652 7740 3655 7736 3654 7730 3656 7732
      3656 7734 3657 7732 3662 7724 3656 7697
      3635 7711
TIME...MOT...LOC 1435Z 292DEG 19KT 3655 7727 

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

JO
015 
WWUS51 KAKQ 091459
SVSAKQ

Severe Weather Statement
National Weather Service Wakefield VA
1059 AM EDT Mon Sep 9 2019

NCC091-131-VAC175-091508-
/O.EXP.KAKQ.SV.W.0310.000000T0000Z-190909T1500Z/
Northampton NC-Hertford NC-Southampton VA-
1059 AM EDT Mon Sep 9 2019

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN NORTHAMPTON...
NORTHWESTERN HERTFORD AND SOUTH CENTRAL SOUTHAMPTON COUNTIES WILL
EXPIRE AT 1100 AM EDT...
    
The severe thunderstorm which prompted the warning has 
weakened. Therefore, the warning will be allowed to expire.

LAT...LON 3652 7740 3655 7736 3654 7730 3656 7732
      3656 7734 3657 7732 3662 7724 3656 7697
      3635 7711
TIME...MOT...LOC 1458Z 008DEG 10KT 3647 7720 

$$

JM

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 9, 6:46 AM EDTSpecial Marine WarningAKQ59 min
Sep 9, 9:34 AM EDTSevere Thunderstorm WarningAKQGreensville, Southampton, Sussex, City of Emporia41 min
Sep 9, 10:11 AM EDTSpecial Weather StatementAKQGreensville, City of Emporia49 min
Sep 9, 4:56 PM EDTSpecial Weather StatementAKQSouthampton34 min
Sep 9, 5:24 PM EDTSevere Thunderstorm WarningAKQGreensville, Southampton51 min
Sep 9, 5:54 PM EDTSpecial Weather StatementAKQCity of Franklin36 min
Sep 9, 6:04 PM EDTSpecial Weather StatementAKQPrince Edward41 min
Sep 9, 6:17 PM EDTSpecial Weather StatementAKQSouthampton28 min
Sep 9, 6:29 PM EDTSpecial Weather StatementAKQGreensville31 min
Sep 9, 6:47 PM EDTSpecial Weather StatementAKQSouthampton28 min
Sep 9, 7:00 PM EDTSpecial Weather StatementAKQGreensville30 min
Sep 9, 7:22 PM EDTSevere Thunderstorm WarningAKQBrunswick, Greensville23 min
Sep 9, 7:43 PM EDTSpecial Weather StatementAKQCity of Emporia47 min
Sep 9, 7:56 AM EDTAreal Flood AdvisoryAKQCurrituck3 hr
Sep 9, 10:58 AM EDTSpecial Weather StatementAKQHertford47 min
Sep 9, 4:13 PM EDTSpecial Weather StatementAKQHertford47 min
Sep 9, 4:32 PM EDTSevere Thunderstorm WarningAKQGates, Hertford28 min
Sep 9, 4:53 PM EDTSpecial Weather StatementAKQNorthampton37 min
Sep 9, 5:01 PM EDTSpecial Weather StatementAKQHertford44 min
Sep 9, 5:42 PM EDTSpecial Weather StatementAKQGates48 min
Sep 9, 5:45 PM EDTSpecial Weather StatementAKQBertie45 min
Sep 9, 6:08 PM EDTSpecial Weather StatementAKQBertie37 min
Sep 9, 6:45 PM EDTSpecial Weather StatementAKQBertie30 min

Nearby

Severe Thunderstorm Warnings in Virginia, 2019Severe Thunderstorm Warnings in North Carolina, 2019Every severe thunderstorm warning in 2019

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.