Alert archive / Virginia / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 78, NWS Wakefield, VA

May 10, 2017Lunenburg County, Mecklenburg County, Virginia

NWS Wakefield, VA issued this severe thunderstorm warning at May 10, 2017, 9:10 PM EDT for Lunenburg County, Mecklenburg County, Virginia. It was in force for 50 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
May 10, 2017, 9:10 PM EDT (01:10 UTC)
Expired
May 10, 2017, 10:00 PM EDT
In force
50 min
Issued by
NWS Wakefield, VA
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Lunenburg County, VA, Mecklenburg County, VA

The radar

The Norfolk radar (KAKQ), 117 km from the middle of the area, began a volume at 01:11 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

Roanoke, VA (KRNK), launched 00:00Z, 1.2 hours before the alert went out and 115 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 00:00Z on 2017-05-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 13 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, Roanoke, VA at 00:00Z on 2017-05-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 square meters per square second.193958Sfc1 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
13 J/kg
Mixed-layer CIN
-92 J/kg
Mixed-layer LCL
2016 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
72 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

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 May 10, 8:33 PM EDT, 37 minutes earlier.

Area forecast discussion, May 10, 8:33 PM EDT, 37 minutes before
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Hazardous weather outlook, May 10, 8:16 PM EDT, 54 minutes before
Hazardous Weather Outlook
National Weather Service Wakefield VA
816 PM EDT Wed May 10 2017

MDZ021>025-NCZ012>017-030>032-102-VAZ048-062-064-069-075>078-081>090-
092-093-095>100-509>525-120030-
Dorchester-Wicomico-Somerset-Inland Worcester-Maryland Beaches-
Northampton-Hertford-Gates-Pasquotank-Camden-Western Currituck-
Bertie-Chowan-Perquimans-Eastern Currituck-Fluvanna-Goochland-
Caroline-Powhatan-Westmoreland-Richmond-Northumberland-Lancaster-
Prince George-Charles City-New Kent-Gloucester-Middlesex-Mathews-
Greensville-Sussex-Surry-James City-Southampton-Isle of Wight-
Norfolk/Portsmouth-Suffolk-Chesapeake-Virginia Beach-Accomack-
Western Louisa-Eastern Louisa-Western Hanover-Eastern Hanover-
Western Chesterfield-Eastern Chesterfield (Including Col. Heights)-
Western Henrico (Including the City of Richmond)-Eastern Henrico-
Western King William-Eastern King William-Western King and Queen-
Eastern King and Queen-Western Essex-Eastern Essex-York-Newport News-
Hampton/Poquoson-
816 PM EDT Wed May 10 2017

This Hazardous Weather Outlook is for southeast Maryland, northeast
North Carolina, central Virginia, east central Virginia, eastern
Virginia, north central Virginia, south central Virginia and
southeast Virginia.

.DAY ONE...Tonight.

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

VAZ060-061-065>068-079-080-120030-
Prince Edward-Cumberland-Mecklenburg-Lunenburg-Nottoway-Amelia-
Brunswick-Dinwiddie-
816 PM EDT Wed May 10 2017

This Hazardous Weather Outlook is for central Virginia and south
central Virginia.

.DAY ONE...Tonight.

Showers and thunderstorms will move southeast across the Virginia
Piedmont this evening. Gusty winds, hail and frequent lightning are
possible in the stronger storms.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Special weather statement, May 10, 7:58 PM EDT, 1 hour 12 minutes before
Special Weather Statement
National Weather Service Wakefield VA
758 PM EDT WED MAY 10 2017

VAZ060-110030-
Prince Edward-
758 PM EDT WED MAY 10 2017

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT WESTERN PRINCE EDWARD
COUNTY...

At 757 PM EDT, radar indicated strong thunderstorms were located
along a line extending from near Appomattox National Historic Park to
near Evergreen. Movement was southeast at 30 mph.

Wind gusts in excess of 40 mph and small hail are possible with
these storms.

Locations impacted include...
Farmville, Hampden Sydney, Hampden Sydney College, Prospect,
Darlington Heights, Kingsville, Briery Creek Lake, Tuggle, Elam,
Briery, Allens Mill and Worsham.

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.

Motorists should use extra caution in the vicinity of these storms.
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.

These storms may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

LAT...LON 3726 7868 3734 7860 3740 7859 3737 7858
      3737 7857 3733 7851 3733 7849 3734 7847
      3733 7842 3708 7845 3709 7848 3713 7851
      3715 7855 3714 7858 3717 7863 3719 7864
      3719 7868 3720 7869
TIME...MOT...LOC 2357Z 299DEG 28KT 3741 7875 3726 7877

44
Special weather statement, May 10, 8:23 PM EDT, 47 minutes before
Special Weather Statement
National Weather Service Wakefield VA
823 PM EDT WED MAY 10 2017

VAZ060-061-066>068-110100-
Lunenburg-Nottoway-Amelia-Cumberland-Prince Edward-
823 PM EDT WED MAY 10 2017

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT SOUTHERN CUMBERLAND...
PRINCE EDWARD...NORTHWESTERN LUNENBURG...NORTHWESTERN NOTTOWAY AND
NORTHWESTERN AMELIA COUNTIES...

At 823 PM EDT, radar indicated strong thunderstorms were located
along a line extending from Sheppards to near Longwood University.
Movement was southeast at 35 mph.

Wind gusts in excess of 40 mph, small hail and frequent lightning
are possible with these storms.

Locations impacted include...
Cumberland, Farmville, Hampden Sydney, Hampden Sydney College,
Longwood University, Burkeville, Guinea Mills, Sunnyside, Rice, Green
Bay, Raines Tavern, Tuggle, Prince Edward Station, Angola, Briery,
Twin Lakes State Park, Hawk, Kingsville, Grays Siding and Meherrin.

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.

Motorists should use extra caution in the vicinity of these storms.
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.

These storms may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

LAT...LON 3733 7851 3733 7849 3734 7849 3733 7847
      3734 7846 3752 7834 3752 7812 3706 7820
      3707 7845 3708 7844 3709 7846 3709 7848
      3735 7854
TIME...MOT...LOC 0023Z 308DEG 39KT 3740 7850 3725 7838

44
Special weather statement, May 10, 8:52 PM EDT, 18 minutes before
Special Weather Statement
National Weather Service Wakefield VA
852 PM EDT WED MAY 10 2017

VAZ060-067-068-080-513-110130-
Nottoway-Western Chesterfield-Dinwiddie-Amelia-Prince Edward-
852 PM EDT WED MAY 10 2017

...AN AREA OF STRONG THUNDERSTORMS WILL AFFECT SOUTHWESTERN
CHESTERFIELD...SOUTHEASTERN PRINCE EDWARD...NOTTOWAY...NORTHWESTERN
DINWIDDIE AND AMELIA COUNTIES...

At 851 PM EDT, strong thunderstorms were clustered near Jetersville,
or 9 miles west of Amelia Courthouse, moving east at 35 mph.

Wind gusts in excess of 40 mph, heavy downpours and frequent
lightning are possible with this storm.

Locations impacted include...
Blackstone, Crewe, Mannboro, Amelia Courthouse, Nottoway, Burkeville,
Jetersville, Wilsons, Fort Pickett, Morven, Scotts Fork, Chula,
Spainville, North Wellville, Irby, Earls, Murdocks, Twin Lakes State
Park, Forkland and Winterham.

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 3738 7823 3743 7820 3743 7819 3744 7818
      3745 7816 3738 7773 3699 7782 3699 7795
      3700 7798 3702 7800 3701 7803 3706 7817
      3708 7817 3709 7822 3712 7824 3710 7828
      3710 7831
TIME...MOT...LOC 0051Z 283DEG 29KT 3733 7816

44
Special weather statement, May 10, 8:54 PM EDT, 16 minutes before
Special Weather Statement
National Weather Service Wakefield VA
854 PM EDT WED MAY 10 2017

VAZ065-066-110130-
Mecklenburg-Lunenburg-
854 PM EDT WED MAY 10 2017

...AN AREA OF STRONG THUNDERSTORMS WILL AFFECT NORTH CENTRAL
MECKLENBURG AND LUNENBURG COUNTIES...

At 854 PM EDT, strong thunderstorms were clustered near Keysville,
moving southeast at 30 mph.

Wind gusts in excess of 40 mph, small hail and frequent lightning
are possible with this storm.

Locations impacted include...
Chase City, Victoria, Kenbridge, Lunenburg, Kells Corner, Rehoboth,
Wilburn, Spanish Grove, Arvins Store, Nutbush, Finneywood, Fairview,
Plantersville, Blevins Corner, Pleasant Grove, Meherrin, Oral Oaks,
Baskerville, Wightman and Rubermount.

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 3689 7849 3708 7844 3710 7837 3710 7828
      3711 7825 3709 7822 3707 7817 3706 7817
      3705 7816 3704 7814 3702 7811 3702 7808
      3666 7827 3680 7856
TIME...MOT...LOC 0054Z 303DEG 23KT 3697 7848

44

The office that day

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

IssuedProductOfficeCountiesLasted
May 10, 8:23 PM EDTSpecial Weather StatementAKQPrince Edward37 min
May 10, 8:52 PM EDTSpecial Weather StatementAKQAmelia, Nottoway38 min
May 10, 8:54 PM EDTSpecial Weather StatementAKQLunenburg36 min
May 10, 9:22 PM EDTSpecial Weather StatementAKQPrince Edward38 min
May 10, 9:28 PM EDTSpecial Weather StatementAKQDinwiddie47 min
May 10, 9:52 PM EDTSevere Thunderstorm WarningAKQMecklenburg38 min
May 10, 9:58 PM EDTSpecial Weather StatementAKQLunenburg, Prince Edward62 min
May 10, 10:42 PM EDTSevere Thunderstorm WarningAKQLunenburg, Mecklenburg63 min
May 10, 11:40 PM EDTSevere Thunderstorm WarningAKQMecklenburg35 min
May 10, 11:42 PM EDTSpecial Weather StatementAKQCity of Franklin63 min
May 11, 12:03 AM EDTSpecial Weather StatementAKQBrunswick42 min
May 11, 2:00 AM EDTSpecial Weather StatementAKQSurry, City of Hampton, City of Newport News, City of Norfolk, City of Poquoson, City of Portsmouth and 1 more45 min
May 11, 2:57 AM EDTSmall Craft AdvisoryAKQ5 days
May 11, 7:16 AM EDTSpecial Weather StatementAKQEssex, King and Queen, King William29 min
May 11, 7:45 AM EDTSpecial Weather StatementAKQKing and Queen, Middlesex30 min
May 11, 8:18 AM EDTSpecial Weather StatementAKQMathews, Middlesex42 min
May 11, 9:39 AM EDTSpecial Weather StatementAKQNorthampton36 min
May 11, 10:16 AM EDTSpecial Marine WarningAKQ44 min
May 11, 6:04 PM EDTCoastal Flood StatementAKQAccomack, Gloucester, James City, Lancaster, Mathews, Middlesex and 10 more24 hr
May 11, 6:34 PM EDTSpecial Weather StatementAKQMecklenburg41 min
May 11, 6:40 PM EDTSevere Thunderstorm WarningAKQMecklenburg50 min

Nearby

Severe Thunderstorm Warnings in Virginia, 2017Every severe thunderstorm warning in 2017

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.