Alert archive / Virginia / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 28, NWS Wakefield, VA

May 10, 20186 counties in Virginia

NWS Wakefield, VA issued this severe thunderstorm warning at May 10, 2018, 4:13 PM EDT for 6 counties in Virginia. It was in force for 47 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, 2018, 4:13 PM EDT (20:13 UTC)
Expired
May 10, 2018, 5:00 PM EDT
In force
47 min
Issued by
NWS Wakefield, VA
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Caroline County, VA, Essex County, VA, Hanover County, VA, King and Queen County, VA, King William County, VA, Richmond County, VA

The radar

The Norfolk radar (KAKQ), 96 km from the middle of the area, began a volume at 20:12 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
May 10, 1:14 PM EDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 8.2 hours before the alert went out and 126 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, Washington/Dulle, VA at 12:00Z on 2018-05-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Washington/Dulle, VA at 12:00Z on 2018-05-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 206 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1336 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
206 m²/s²
0-3 km storm-relative helicity
171 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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, 4:02 PM EDT, 11 minutes earlier.

Area forecast discussion, May 10, 4:02 PM EDT, 11 minutes before
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Hazardous weather outlook, May 10, 6:16 AM EDT, 9 hours 57 minutes before
Hazardous Weather Outlook
National Weather Service Wakefield VA
616 AM EDT Thu May 10 2018

MDZ022>025-NCZ012>017-030>032-102-VAZ065-066-079-084-086>090-092-093-
095>100-523>525-111030-
Wicomico-Somerset-Inland Worcester-Maryland Beaches-Northampton-
Hertford-Gates-Pasquotank-Camden-Western Currituck-Bertie-Chowan-
Perquimans-Eastern Currituck-Mecklenburg-Lunenburg-Brunswick-
Gloucester-Mathews-Greensville-Sussex-Surry-James City-Southampton-
Isle of Wight-Norfolk/Portsmouth-Suffolk-Chesapeake-Virginia Beach-
Accomack-York-Newport News-Hampton/Poquoson-
616 AM EDT Thu May 10 2018

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

.DAY ONE...Today and Tonight.

A line of thunderstorms will track across the area late this
afternoon and evening. Some thunderstorms may become severe with
damaging wind gusts and large hail. Locally heavy downpours may
result in minor flooding of low lying and poor drainage areas.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed later today.

MDZ021-VAZ048-060>062-064-067>069-075>078-080>083-085-509>522-111030-
Dorchester-Fluvanna-Prince Edward-Cumberland-Goochland-Caroline-
Nottoway-Amelia-Powhatan-Westmoreland-Richmond-Northumberland-
Lancaster-Dinwiddie-Prince George-Charles City-New Kent-Middlesex-
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-
616 AM EDT Thu May 10 2018

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

.DAY ONE...Today and Tonight.

A line of thunderstorms will track across the area this afternoon
and early evening. Some thunderstorms may become severe with
damaging wind gusts and large hail. Locally heavy downpours may
result in minor flooding of low lying and poor drainage areas.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed later today.

In the hours before

Special weather statement, May 10, 2:17 PM EDT, 1 hour 56 minutes before
Special Weather Statement
National Weather Service Wakefield VA
217 PM EDT THU MAY 10 2018

VAZ048-509-101900-
Fluvanna-Western Louisa-
217 PM EDT THU MAY 10 2018

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT NORTHWESTERN LOUISA AND
NORTHERN FLUVANNA COUNTIES...

At 217 PM EDT, radar indicated strong thunderstorms located along a
line extending from near Boswells Tavern to 6 miles north of
Schuyler. Movement was east at 40 mph.

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

Locations impacted include...
Louisa, Palmyra, Lake Monticello, Ferncliff, Boswells Tavern, Kents
Store, Troy, Gordonsville, Nahor, Green Springs, Zion Crossroads,
Antioch, Union Mills, Wildwood, Bybee, Waldrop, Byrd Mill,
Trevilians, Wilmington and Vawter Corner.

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.

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 3806 7826 3813 7821 3813 7818 3814 7815
      3814 7812 3815 7809 3813 7805 3814 7801
      3812 7798 3811 7793 3812 7792 3811 7791
      3790 7807 3783 7816 3784 7845
TIME...MOT...LOC 1817Z 271DEG 33KT 3808 7823 3789 7867

MRD
Local storm report, May 10, 2:50 PM EDT, 1 hour 23 minutes before
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Special weather statement, May 10, 3:15 PM EDT, 58 minutes before
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Local storm report, May 10, 3:41 PM EDT, 32 minutes before
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Special weather statement, May 10, 4:03 PM EDT, 10 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
May 9, 9:40 PM EDTMarine Dense Fog AdvisoryAKQ10 hr
May 9, 11:54 PM EDTDense Fog AdvisoryAKQAccomack, Greensville, James City, Northampton, Southampton, Surry and 10 more6 hr
May 10, 2:17 PM EDTSpecial Weather StatementAKQLouisa43 min
May 10, 2:22 PM EDTSevere Thunderstorm WarningAKQFluvanna, Louisa38 min
May 10, 2:57 PM EDTSevere Thunderstorm WarningAKQFluvanna, Goochland, Louisa48 min
May 10, 3:15 PM EDTSpecial Weather StatementAKQFluvanna45 min
May 10, 3:26 PM EDTSevere Thunderstorm WarningAKQCumberland, Fluvanna, Goochland49 min
May 10, 3:30 PM EDTSevere Thunderstorm WarningAKQCaroline, Hanover45 min
May 10, 3:49 PM EDTSevere Thunderstorm WarningAKQCumberland, Goochland, Hanover, Louisa, Powhatan41 min
May 10, 4:03 PM EDTSpecial Weather StatementAKQAmelia, Nottoway, Prince Edward42 min
May 10, 4:15 PM EDTSevere Thunderstorm WarningAKQCaroline, Chesterfield, Hanover, Henrico, King William, City of Richmond45 min
May 10, 4:19 PM EDTSevere Thunderstorm WarningAKQAmelia, Chesterfield, Powhatan41 min
May 10, 4:49 PM EDTSevere Thunderstorm WarningAKQCharles City, Hanover, Henrico, King and Queen, King William, New Kent41 min
May 10, 4:54 PM EDTSpecial Weather StatementAKQBrunswick, Lunenburg, Mecklenburg, Nottoway, Prince Edward51 min
May 10, 4:55 PM EDTSpecial Marine WarningAKQ65 min
May 10, 4:55 PM EDTSevere Thunderstorm WarningAKQEssex, King and Queen, Lancaster, Middlesex, Northumberland, Richmond40 min
May 10, 4:56 PM EDTSevere Thunderstorm WarningAKQAmelia, Charles City, Chesterfield, Dinwiddie, Henrico, Prince George and 3 more64 min
May 10, 5:06 PM EDTSpecial Marine WarningAKQ84 min
May 10, 5:17 PM EDTSpecial Marine WarningAKQ118 min
May 10, 5:19 PM EDTSevere Thunderstorm WarningAKQCharles City, Essex, Gloucester, James City, King and Queen, King William and 4 more41 min
May 10, 5:35 PM EDTSevere Thunderstorm WarningAKQBrunswick, Mecklenburg40 min
May 10, 5:39 PM EDTSpecial Weather StatementAKQDinwiddie36 min
May 10, 5:43 PM EDTSevere Thunderstorm WarningAKQBrunswick, Dinwiddie, Greensville, Prince George, Sussex32 min
May 10, 5:43 PM EDTSevere Thunderstorm WarningAKQGloucester, Lancaster, Mathews, Middlesex, Northumberland47 min
May 10, 5:58 PM EDTSpecial Weather StatementAKQCharles City, Prince George, City of Hopewell, City of Petersburg32 min
May 10, 5:59 PM EDTSpecial Marine WarningAKQ2 hr
May 10, 6:08 PM EDTSevere Thunderstorm WarningAKQIsle of Wight, Prince George, Southampton, Surry, Sussex52 min
May 10, 6:11 PM EDTSpecial Weather StatementAKQGreensville, City of Emporia49 min
May 10, 6:22 PM EDTSpecial Weather StatementAKQAccomack53 min
May 10, 6:31 PM EDTSpecial Marine WarningAKQ89 min
May 10, 6:34 PM EDTSpecial Marine WarningAKQ41 min
May 10, 6:39 PM EDTSpecial Marine WarningAKQ96 min
May 10, 6:44 PM EDTSpecial Weather StatementAKQIsle of Wight, James City, Surry, York, City of Hampton, City of Newport News and 4 more46 min
May 10, 7:01 PM EDTSpecial Weather StatementAKQSouthampton, City of Franklin59 min
May 10, 7:35 PM EDTSpecial Weather StatementAKQNorthampton10 min
May 10, 7:39 PM EDTSpecial Weather StatementAKQCity of Chesapeake, City of Suffolk51 min
May 10, 7:45 PM EDTSpecial Marine WarningAKQ2 hr

Nearby

Severe Thunderstorm Warnings in Virginia, 2018Every severe thunderstorm warning in 2018

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.