Alert archive / Maryland / Severe Thunderstorm Warnings in 2020
Severe Thunderstorm Warning 152, NWS Wakefield, VA
NWS Wakefield, VA issued this severe thunderstorm warning at Aug 25, 2020, 8:29 PM EDT for Dorchester County, Maryland. It was in force for 46 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 25, 2020, 8:29 PM EDT (00:29 UTC)
- Expired
- Aug 25, 2020, 9:15 PM EDT
- In force
- 46 min
- Issued by
- NWS Wakefield, VA
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Dorchester County, MD
The radar
The Dover AFB radar (KDOX), 72 km from the middle of the area, began a volume at 00:29 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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 25, 3:34 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Wallops Is Stn, VA (KWAL), launched 00:00Z, 0.5 hours before the alert went out and 81 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.
- Mixed-layer CAPE
- 1713 J/kg
- Mixed-layer CIN
- -19 J/kg
- Mixed-layer LCL
- 1304 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 151 m²/s²
- 0-3 km storm-relative helicity
- 215 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 8.1
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Wakefield, VA wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 25, 7:13 PM EDT, 1 hour 16 minutes earlier.
Area forecast discussion, Aug 25, 7:13 PM EDT, 1 hour 16 minutes before
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</html>Hazardous weather outlook, Aug 25, 3:43 PM EDT, 4 hours 46 minutes before
Hazardous Weather Outlook National Weather Service Wakefield VA 343 PM EDT Tue Aug 25 2020 MDZ021>025-VAZ048-061-062-064-075>078-085-099-100-509>512-517>522- 261945- Dorchester-Wicomico-Somerset-Inland Worcester-Maryland Beaches- Fluvanna-Cumberland-Goochland-Caroline-Westmoreland-Richmond- Northumberland-Lancaster-Middlesex-Accomack-Northampton- Western Louisa-Eastern Louisa-Western Hanover-Eastern Hanover- Western King William-Eastern King William-Western King and Queen- Eastern King and Queen-Western Essex-Eastern Essex- 343 PM EDT Tue Aug 25 2020 ...SEVERE THUNDERSTORM WATCH 451 IN EFFECT UNTIL 11 PM EDT THIS EVENING... This Hazardous Weather Outlook is for southeast Maryland, central Virginia, east central Virginia, eastern Virginia, north central Virginia and southeast Virginia. .DAY ONE...This afternoon and tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Severe Thunderstorm Watch. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. Heat indices of 100 to 105 degrees will be possible Thursday and Friday. The remnant of Tropical cyclone Laura will bring the potential for locally heavy rain this weekend. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. VAZ060-065>069-079>084-086>090-092-093-095>098-513>516-523>525- 261945- Prince Edward-Mecklenburg-Lunenburg-Nottoway-Amelia-Powhatan- Brunswick-Dinwiddie-Prince George-Charles City-New Kent-Gloucester- Mathews-Greensville-Sussex-Surry-James City-Southampton- Isle of Wight-Norfolk/Portsmouth-Suffolk-Chesapeake-Virginia Beach- Western Chesterfield-Eastern Chesterfield (Including Col. Heights)- Western Henrico (Including the City of Richmond)-Eastern Henrico- York-Newport News-Hampton/Poquoson- 343 PM EDT Tue Aug 25 2020 This Hazardous Weather Outlook is for central Virginia, east central Virginia, eastern Virginia, south central Virginia and southeast Virginia. .DAY ONE...This afternoon and tonight. Isolated strong to severe thunderstorms will be possible this evening. The primary threat will be from damaging wind gusts. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. Heat indices of 100 to 105 degrees will be possible Thursday and Friday. The remnant of Tropical cyclone Laura will bring the potential for locally heavy rain this weekend. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. NCZ012>017-030>032-102-261945- Northampton-Hertford-Gates-Pasquotank-Camden-Western Currituck- Bertie-Chowan-Perquimans-Eastern Currituck- 343 PM EDT Tue Aug 25 2020 This Hazardous Weather Outlook is for northeast North Carolina. .DAY ONE...This afternoon and tonight. Hazardous weather is not expected at this time. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. Heat indices of 102 to 107 degrees will be possible Thursday and Friday. The remnant of Tropical cyclone Laura will bring the potential for locally heavy rain this weekend. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time.
In the hours before
Special weather statement, Aug 25, 8:01 PM EDT, 28 minutes before
Special Weather Statement
National Weather Service Wakefield VA
801 PM EDT Tue Aug 25 2020
MDZ021-260045-
Dorchester-
801 PM EDT Tue Aug 25 2020
...A STRONG THUNDERSTORM WILL AFFECT DORCHESTER COUNTY...
At 800 PM EDT, a strong thunderstorm was located 9 miles southwest of
Oxford, or 9 miles north of Taylors Island, moving southeast at 30
mph.
Wind gusts in excess of 40 mph are possible with this storm.
Locations impacted include...
Cambridge, Hurlock, Taylors Island, Secretary, Vienna, University Of
Maryland Center For Environmental Studies, East New Market, Church
Creek, Brookview, Eldorado, Madison, Hudson, Lloyds, Woolford,
Bucktown and Linkwood.
If you see lightning or hear thunder, you are at risk! Take shelter
indoors immediately. If you cannot find shelter in a building a
vehicle provides safety from lightning.
Strong wind gusts are possible with this storm. These wind gusts are
capable of knocking down tree limbs, small or weakened trees, and
blowing around trash cans, potted plants, lawn furniture, and other
light outdoor objects.
Motorists should use extra caution in the vicinity of this storm. Be
prepared for rapid changes in weather and road conditions. Heavy rain
could cause ponding of water on roads, and possible minor flooding of
ditches and poor drainage areas.
LAT...LON 3857 7574 3831 7593 3833 7596 3837 7597
3837 7601 3835 7601 3849 7634 3849 7627
3853 7623 3851 7621 3856 7621 3853 7628
3857 7631 3860 7626 3863 7629 3860 7621
3863 7617 3859 7616 3857 7603 3864 7596
TIME...MOT...LOC 0000Z 294DEG 25KT 3861 7632
PocheSpecial weather statement, Aug 25, 8:06 PM EDT, 23 minutes before
Special Weather Statement
National Weather Service Wakefield VA
806 PM EDT Tue Aug 25 2020
VAZ048-062-064-075-076-509>512-517-519-521-260045-
Goochland-Eastern Hanover-Western King and Queen-Western King
William-Western Hanover-Richmond-Westmoreland-Western
Essex-Fluvanna-Western Louisa-Caroline-Eastern Louisa-
806 PM EDT Tue Aug 25 2020
...A LINE OF STRONG THUNDERSTORMS WILL AFFECT LOUISA...NORTHWESTERN
KING AND QUEEN...NORTHWESTERN RICHMOND...NORTHWESTERN GOOCHLAND...
CAROLINE...WESTMORELAND...HANOVER...NORTHWESTERN KING WILLIAM...
NORTHWESTERN ESSEX AND FLUVANNA COUNTIES...
At 805 PM EDT, radar indicated strong thunderstorms were located
along a line extending from near Port Tobacco River to 6 miles south
of Massaponax to near Boswells Tavern. Movement was south at 45 mph.
Wind gusts in excess of 40 mph are possible with these storms.
These storms will be near...
Milford and Ladysmith around 815 PM EDT.
Ferncliff around 820 PM EDT.
Colonial Beach, Palmyra and Kents Store around 825 PM EDT.
Hadensville and Kings Dominion around 830 PM EDT.
Ashland, Randolph Macon College, Dawn, Leedstown and Mangohick
around 835 PM EDT.
Montross, Hanover and Loretto around 840 PM EDT.
Champlain and Newland around 845 PM EDT.
Other locations impacted by these storms include Chilesburg, Orchid,
Beazley, Currioman Landing, Gum Tree, Central Plains, Nancy Wrights
Corner, Wares Crossroads, Erica and Ruther Glen.
If you see lightning or hear thunder, you are at risk! Take shelter
indoors immediately. If you cannot find shelter in a building a
vehicle provides safety from lightning.
Strong wind gusts are possible with these storms. These wind gusts
are capable of knocking down tree limbs, small or weakened trees, and
blowing around trash cans, potted plants, lawn furniture, and other
light outdoor objects.
LAT...LON 3813 7821 3814 7802 3810 7784 3802 7775
3799 7764 3825 7737 3822 7728 3825 7723
3823 7725 3819 7725 3814 7707 3826 7705
3828 7698 3820 7694 3816 7684 3816 7669
3811 7665 3771 7737 3778 7848 3780 7849
TIME...MOT...LOC 0005Z 341DEG 40KT 3846 7708 3811 7754 3807 7824
PocheThe office that day
Everything else NWS Wakefield, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 25, 8:06 PM EDT | Special Weather Statement | AKQ | Caroline, Fluvanna, Hanover, Louisa, Westmoreland | 39 min |
| Aug 25, 10:10 PM EDT | Special Weather Statement | AKQ | Accomack | 50 min |
| Aug 25, 10:12 PM EDT | Special Marine Warning | AKQ | 63 min | |
| Aug 26, 12:37 PM EDT | Small Craft Advisory | AKQ | 21 hr | |
| Aug 25, 8:01 PM EDT | Special Weather Statement | AKQ | Dorchester | 44 min |
| Aug 25, 8:47 PM EDT | Special Weather Statement | AKQ | Wicomico | 28 min |
| Aug 25, 9:08 PM EDT | Severe Thunderstorm Warning | AKQ | Dorchester, Somerset, Wicomico | 52 min |
| Aug 25, 9:19 PM EDT | Special Weather Statement | AKQ | Worcester | 26 min |
| Aug 25, 9:47 PM EDT | Severe Thunderstorm Warning | AKQ | Somerset, Wicomico, Worcester | 43 min |
| Aug 25, 9:48 PM EDT | Special Weather Statement | AKQ | Worcester | 42 min |
Nearby
Severe Thunderstorm Warnings in Maryland, 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.