Alert archive / Maryland / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 113, NWS Wakefield, VA

July 1, 20214 counties in Maryland; Accomack County, Virginia

NWS Wakefield, VA issued this severe thunderstorm warning at Jul 1, 2021, 5:29 PM EDT for 4 counties in Maryland; Accomack County, Virginia. It was in force for 29 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
Jul 1, 2021, 5:29 PM EDT (21:29 UTC)
Expired
Jul 1, 2021, 5:58 PM EDT
In force
29 min
Issued by
NWS Wakefield, VA
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Dorchester County, MD, Somerset County, MD, Wicomico County, MD, Worcester County, MD, Accomack County, VA

The radar

The Dover AFB radar (KDOX), 83 km from the middle of the area, began a volume at 21:32 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
Jul 1, 12:46 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 12:00Z, 9.5 hours before the alert went out and 57 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 2021-07-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1445 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, Wallops Is Stn, VA at 12:00Z on 2021-07-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 29 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
1445 J/kg
Mixed-layer CIN
-95 J/kg
Mixed-layer LCL
981 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
29 m²/s²
0-3 km storm-relative helicity
31 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

824 
WUUS51 KAKQ 012129
SVRAKQ
MDC019-039-045-047-VAC001-012215-
/O.NEW.KAKQ.SV.W.0113.210701T2129Z-210701T2215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Wakefield VA
529 PM EDT Thu Jul 1 2021

The National Weather Service in Wakefield has issued a

* Severe Thunderstorm Warning for...
  Somerset County in southeastern Maryland...
  Western Wicomico County in southeastern Maryland...
  Southwestern Worcester County in southeastern Maryland...
  Central Dorchester County in southeastern Maryland...
  Northern Accomack County in southeastern Virginia...

* Until 615 PM EDT.

* At 529 PM EDT, severe thunderstorms were located along a line
  extending from 6 miles east of Patuxent River Naval Air Station to
  7 miles north of Tylerton to near Tangier, 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.

* Severe thunderstorms will be near,
  Lawsonia around 545 PM EDT.
  Marion Station around 555 PM EDT.
  Westover around 600 PM EDT.
  Princess Anne around 605 PM EDT.
  University Of Maryland Eastern Shore around 610 PM EDT.
  Pocomoke City, Vienna and West Pocomoke around 615 PM EDT.

Other locations impacted by these severe thunderstorms include
Horntown, Wetipquin, Trinity, Cokesbury, Eden, Kingston, Saxis,
Shelltown, Sanford and Oak Hall.

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 3793 7542 3777 7601 3803 7605 3799 7589
      3814 7579 3808 7604 3809 7603 3822 7582
      3826 7592 3836 7586 3836 7587 3823 7597
      3837 7601 3813 7609 3839 7623 3832 7626
      3833 7626 3838 7628 3860 7583
TIME...MOT...LOC 2129Z 240DEG 30KT 3826 7632 3807 7605 3784 7593 

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

Miller
1 follow-up statement
336 
WWUS51 KAKQ 012158
SVSAKQ

Severe Weather Statement
National Weather Service Wakefield VA
558 PM EDT Thu Jul 1 2021

MDC019-039-045-047-VAC001-012208-
/O.CAN.KAKQ.SV.W.0113.000000T0000Z-210701T2215Z/
Somerset MD-Wicomico MD-Worcester MD-Dorchester MD-Accomack VA-
558 PM EDT Thu Jul 1 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOMERSET...WESTERN WICOMICO...
SOUTHWESTERN WORCESTER...CENTRAL DORCHESTER AND NORTHERN ACCOMACK
COUNTIES IS CANCELLED...
            
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning has been cancelled.  However gusty winds and
heavy rain are still possible with these thunderstorms.

A Severe Thunderstorm Watch remains in effect until 800 PM EDT for
southeastern Maryland...and southeastern Virginia.

LAT...LON 3793 7542 3777 7601 3803 7605 3799 7589
      3814 7579 3808 7604 3809 7603 3822 7582
      3826 7592 3836 7586 3836 7587 3823 7597
      3837 7601 3813 7609 3839 7623 3832 7626
      3833 7626 3838 7628 3860 7583
TIME...MOT...LOC 2157Z 240DEG 30KT 3838 7606 3819 7579 3796 7567 

$$

Miller

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 1, 3:51 PM EDTSevere Thunderstorm WarningAKQDorchester, Wicomico54 min
Jul 1, 4:15 PM EDTSevere Thunderstorm WarningAKQDorchester30 min
Jul 1, 4:25 PM EDTSpecial Weather StatementAKQWicomico50 min
Jul 1, 5:17 PM EDTSpecial Weather StatementAKQSomerset, Worcester58 min
Jul 1, 5:21 PM EDTSevere Thunderstorm WarningAKQSomerset, Worcester39 min
Jul 1, 6:00 PM EDTSpecial Weather StatementAKQDorchester, Somerset, Wicomico, Worcester60 min
Jul 1, 3:56 AM EDTSmall Craft AdvisoryAKQ33 hr
Jul 1, 1:39 PM EDTSpecial Weather StatementAKQLouisa36 min
Jul 1, 1:47 PM EDTSpecial Weather StatementAKQPrince Edward43 min
Jul 1, 1:59 PM EDTSevere Thunderstorm WarningAKQCaroline46 min
Jul 1, 2:04 PM EDTSpecial Weather StatementAKQSussex41 min
Jul 1, 2:35 PM EDTSpecial Weather StatementAKQHanover40 min
Jul 1, 2:37 PM EDTSevere Thunderstorm WarningAKQEssex, Westmoreland23 min
Jul 1, 2:51 PM EDTSpecial Weather StatementAKQCaroline24 min
Jul 1, 2:59 PM EDTSpecial Weather StatementAKQYork46 min
Jul 1, 3:00 PM EDTSpecial Marine WarningAKQ60 min
Jul 1, 3:03 PM EDTSpecial Weather StatementAKQChesterfield, Henrico, Nottoway42 min
Jul 1, 3:11 PM EDTSpecial Weather StatementAKQFluvanna49 min
Jul 1, 3:18 PM EDTSevere Thunderstorm WarningAKQCharles City, Chesterfield, Henrico, City of Colonial Heights, City of Hopewell42 min
Jul 1, 3:29 PM EDTSevere Thunderstorm WarningAKQCharles City, Chesterfield, Henrico, Prince George, City of Colonial Heights, City of Hopewell and 1 more46 min
Jul 1, 3:33 PM EDTSpecial Marine WarningAKQ57 min
Jul 1, 3:41 PM EDTSpecial Weather StatementAKQNottoway49 min
Jul 1, 3:49 PM EDTSevere Thunderstorm WarningAKQCharles City, James City, New Kent41 min
Jul 1, 4:07 PM EDTSpecial Weather StatementAKQHanover53 min
Jul 1, 4:26 PM EDTSpecial Marine WarningAKQ79 min
Jul 1, 4:28 PM EDTSevere Thunderstorm WarningAKQEssex, Gloucester, James City, King and Queen, King William, Lancaster and 5 more62 min
Jul 1, 4:40 PM EDTSpecial Weather StatementAKQAmelia, Powhatan, Prince Edward50 min
Jul 1, 5:10 PM EDTSpecial Weather StatementAKQKing and Queen, King William, City of Richmond50 min
Jul 1, 5:35 PM EDTSpecial Marine WarningAKQ70 min
Jul 1, 6:02 PM EDTSpecial Weather StatementAKQAmelia, Chesterfield, Lunenburg, Nottoway, Prince Edward58 min
Jul 1, 6:51 PM EDTSpecial Marine WarningAKQ54 min
Jul 1, 7:04 PM EDTSpecial Marine WarningAKQ56 min
Jul 1, 7:20 PM EDTSpecial Weather StatementAKQCharles City, Prince George, Sussex, City of Colonial Heights, City of Hopewell, City of Petersburg40 min

Nearby

Severe Thunderstorm Warnings in Maryland, 2021Severe 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.