Alert archive / North Carolina / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 8, NWS Wakefield, VA

April 4, 20184 counties in North Carolina

NWS Wakefield, VA issued this severe thunderstorm warning at Apr 4, 2018, 4:22 PM EDT for 4 counties in North Carolina. It was in force for 38 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
Apr 4, 2018, 4:22 PM EDT (20:22 UTC)
Expired
Apr 4, 2018, 5:00 PM EDT
In force
38 min
Issued by
NWS Wakefield, VA
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Camden County, NC, Currituck County, NC, Pasquotank County, NC, Perquimans County, NC

The radar

The Norfolk radar (KAKQ), 106 km from the middle of the area, began a volume at 20:23 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, 8.4 hours before the alert went out and 179 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 2018-04-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 542 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, Newport, NC at 12:00Z on 2018-04-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 318 square meters per square second.19395878Sfc1 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
542 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
596 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
318 m²/s²
0-3 km storm-relative helicity
319 m²/s²
Significant tornado parameter
0.9
Supercell composite
5.7

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 Apr 4, 4:07 PM EDT, 15 minutes earlier.

Area forecast discussion, Apr 4, 4:07 PM EDT, 15 minutes before
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Hazardous weather outlook, Apr 4, 3:49 PM EDT, 33 minutes before
Hazardous Weather Outlook
National Weather Service Wakefield VA
349 PM EDT Wed Apr 4 2018

NCZ013>017-030>032-102-VAZ093-095>098-524-525-052000-
Hertford-Gates-Pasquotank-Camden-Western Currituck-Bertie-Chowan-
Perquimans-Eastern Currituck-Isle of Wight-Norfolk/Portsmouth-
Suffolk-Chesapeake-Virginia Beach-Newport News-Hampton/Poquoson-
349 PM EDT Wed Apr 4 2018

This Hazardous Weather Outlook is for northeast North Carolina and
southeast Virginia.

.DAY ONE...This Afternoon and Tonight.

Northwest winds of 15 to 25 mph will gust to 30 to 35 mph behind a
cold front this afternoon and evening.

.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.

NCZ012-VAZ077-078-084>090-092-523-052000-
Northampton-Northumberland-Lancaster-Gloucester-Middlesex-Mathews-
Greensville-Sussex-Surry-James City-Southampton-York-
349 PM EDT Wed Apr 4 2018

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

.DAY ONE...This Afternoon and Tonight.

Northwest winds of 15 to 25 mph will gust to 30 to 35 mph behind a
cold front this afternoon and evening.

.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.

MDZ022>025-VAZ099-100-052000-
Wicomico-Somerset-Inland Worcester-Maryland Beaches-Accomack-
Northampton-
349 PM EDT Wed Apr 4 2018

This Hazardous Weather Outlook is for southeast Maryland, eastern
Virginia and southeast Virginia.

.DAY ONE...This Afternoon and Tonight.

Northwest winds of 30 to 25 mph will gust to 30 to 40 mph behind a
cold front this afternoon and evening.

.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.

MDZ021-VAZ048-060>062-064>069-075-076-079>083-509>522-052000-
Dorchester-Fluvanna-Prince Edward-Cumberland-Goochland-Caroline-
Mecklenburg-Lunenburg-Nottoway-Amelia-Powhatan-Westmoreland-Richmond-
Brunswick-Dinwiddie-Prince George-Charles City-New Kent-
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-
349 PM EDT Wed Apr 4 2018

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

.DAY ONE...This Afternoon and Tonight.

Northwest winds of 15 to 25 mph will gust to 30 to 35 mph behind a
cold front this afternoon and evening.

.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, Apr 4, 1:00 PM EDT, 3 hours 22 minutes before
Special Weather Statement
National Weather Service Wakefield VA
100 PM EDT WED APR 4 2018

VAZ100-041730-
Northampton-
100 PM EDT WED APR 4 2018

...A STRONG THUNDERSTORM WILL AFFECT NORTHAMPTON COUNTY...

At 100 PM EDT, a strong thunderstorm was located 7 miles south of
Cape Charles, moving northeast at 50 mph.

Wind gusts in excess of 40 mph are possible with this storm.

Locations impacted include...
Cape Charles, Cheriton, Bay View, Eastville, Capeville, Kiptopeke
State Park, Machipongo, Simpkins, Townsend, Oyster, Cheapside,
Kiptopeke, Plantation, Dalbys and Smith Beach.

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.

LAT...LON 3742 7566 3712 7583 3709 7587 3708 7591
      3706 7592 3705 7598 3706 7600 3709 7602
      3713 7601 3720 7606 3723 7606 3725 7607
      3734 7606 3738 7603 3741 7599
TIME...MOT...LOC 1700Z 235DEG 41KT 3717 7604

BUTNER
Special weather statement, Apr 4, 2:33 PM EDT, 1 hour 49 minutes before
Special Weather Statement
National Weather Service Wakefield VA
233 PM EDT WED APR 4 2018

NCZ013-014-030>032-041915-
Hertford-Bertie-Gates-Perquimans-Chowan-
233 PM EDT WED APR 4 2018

...A STRONG THUNDERSTORM WILL AFFECT SOUTHWESTERN PERQUIMANS...
NORTHERN BERTIE...SOUTHEASTERN HERTFORD...SOUTH CENTRAL GATES AND
CHOWAN COUNTIES...

At 233 PM EDT, a strong thunderstorm was located near Lewiston
Woodville, or 9 miles south of Aulander, moving east at 45 mph.

Wind gusts in excess of 40 mph are possible with this storm.

Locations impacted include...
Hertford, Winfall, Ryland, Lewiston Woodville, Powellsville,
Colerain, Harrellsville, Rockyhock, Tyner, Hobbsville, Valhalla,
Belvidere, Askewville, Goose Pond, Whites Crossroads, Gliden, Newsome
Store, Arrowhead Beach, Republican and Mount Gould.

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.

LAT...LON 3610 7724 3611 7724 3641 7662 3619 7645
      3619 7647 3615 7642 3600 7718
TIME...MOT...LOC 1833Z 249DEG 38KT 3609 7712

BUTNER
Special weather statement, Apr 4, 2:43 PM EDT, 1 hour 39 minutes before
Special Weather Statement
National Weather Service Wakefield VA
243 PM EDT WED APR 4 2018

NCZ012>014-VAZ092-093-096-041930-
Hertford-Northampton-Gates-Isle of Wight-Southampton-Suffolk-
243 PM EDT WED APR 4 2018

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN NORTHAMPTON...
NORTHWESTERN HERTFORD...NORTHWESTERN GATES...SOUTHERN ISLE OF
WIGHT...AND SOUTHEASTERN SOUTHAMPTON COUNTIES...THE CITY OF FRANKLIN
AND THE CITY OF SUFFOLK...

At 243 PM EDT, a strong thunderstorm was located near Como, or near
Murfreesboro, moving east at 50 mph.

Wind gusts in excess of 40 mph and pea size hail are possible with
this storm.

Locations impacted include...
Franklin, Murfreesboro, Boykins, Downtown Suffolk, Holland, Chowan
University, Suffolk, Gates, Conway, Newsoms, Como, Driver,
Carrsville, Whaleyville, Corapeake, Kings Fork, Severn, Branchville,
Topsy and Suffolk Airport.

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.

LAT...LON 3640 7727 3658 7727 3687 7646 3655 7649
      3655 7654 3654 7653
TIME...MOT...LOC 1843Z 248DEG 43KT 3652 7711

BUTNER
Special weather statement, Apr 4, 3:20 PM EDT, 1 hour 2 minutes before
Special Weather Statement
National Weather Service Wakefield VA
320 PM EDT WED APR 4 2018

VAZ095>098-042000-
Norfolk/Portsmouth-Suffolk-Virginia Beach-Chesapeake-
320 PM EDT WED APR 4 2018

...AN AREA OF SHOWERS AND THUNDERSTORMS WILL AFFECT ...THE
SOUTHEASTERN CITY OF NORFOLK...THE CITY OF CHESAPEAKE...THE SOUTHERN
CITY OF PORTSMOUTH...THE SOUTHEASTERN CITY OF SUFFOLK AND THE CITY
OF VIRGINIA BEACH...

At 319 PM EDT, fast moving showers and thunderstorms were clustered
near Downtown Suffolk, moving east at 55 mph.

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

Locations impacted include...
Virginia Beach, Downtown Norfolk, Regent University, Great Bridge,
Kempsville, Downtown Suffolk, Deep Creek, Downtown Portsmouth,
Virginia Wesleyan College, Norfolk State University, Norfolk,
Chesapeake, Portsmouth, Suffolk, Back Bay, Fentress, Bowers Hill,
Northwest, Cradock and Princess Anne.

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.

LAT...LON 3658 7584 3655 7634 3655 7662 3671 7666
      3682 7647 3685 7630 3684 7630 3686 7628
      3691 7597
TIME...MOT...LOC 1919Z 254DEG 47KT 3664 7654

BUTNER
Special weather statement, Apr 4, 3:25 PM EDT, 57 minutes before
Special Weather Statement
National Weather Service Wakefield VA
325 PM EDT WED APR 4 2018

NCZ013>015-030>032-042015-
Pasquotank-Hertford-Bertie-Gates-Perquimans-Chowan-
325 PM EDT WED APR 4 2018

...AN AREA OF SHOWERS AND THUNDERSTORMS WILL AFFECT WESTERN
PASQUOTANK... PERQUIMANS...BERTIE...SOUTHERN HERTFORD...SOUTHERN
GATES AND CHOWAN COUNTIES...

At 324 PM EDT, showers and thunderstorms were clustered near
Lewiston Woodville, or 8 miles south of Aulander, moving east at 60
mph.

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

Locations impacted include...
Elizabeth City, Ahoskie, Windsor, Hertford, Aulander, Winfall,
Gatesville, Ryland, Winton, Lewiston Woodville, Cofield,
Powellsville, Roxobel, Colerain, Harrellsville, Chapanoke, Tyner,
Nixonton, Hobbsville and Belvidere.

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.

LAT...LON 3599 7719 3599 7721 3601 7721 3601 7722
      3606 7733 3609 7731 3611 7723 3611 7724
      3612 7724 3613 7725 3616 7726 3617 7730
      3621 7730 3621 7723 3629 7719 3638 7699
      3646 7642 3643 7635 3613 7620 3597 7720
TIME...MOT...LOC 1924Z 255DEG 50KT 3611 7710

BUTNER
Special weather statement, Apr 4, 4:16 PM EDT, 6 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Apr 4, 8:05 AM EDTMarine Dense Fog AdvisoryAKQ3 hr
Apr 4, 1:00 PM EDTSpecial Weather StatementAKQNorthampton30 min
Apr 4, 1:11 PM EDTSpecial Marine WarningAKQ64 min
Apr 4, 2:43 PM EDTSpecial Weather StatementAKQCity of Franklin, City of Suffolk47 min
Apr 4, 3:20 PM EDTSpecial Weather StatementAKQCity of Chesapeake, City of Suffolk, City of Virginia Beach40 min
Apr 4, 3:44 PM EDTSevere Thunderstorm WarningAKQCity of Chesapeake, City of Virginia Beach31 min
Apr 4, 3:49 PM EDTSpecial Marine WarningAKQ86 min
Apr 4, 4:22 PM EDTSpecial Marine WarningAKQ53 min
Apr 4, 4:39 PM EDTSpecial Marine WarningAKQ96 min
Apr 4, 2:33 PM EDTSpecial Weather StatementAKQBertie, Chowan42 min
Apr 4, 3:25 PM EDTSpecial Weather StatementAKQBertie, Chowan, Hertford, Perquimans50 min
Apr 4, 4:16 PM EDTSpecial Weather StatementAKQCamden, Chowan, Currituck, Pasquotank, Perquimans59 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 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.