Alert archive / Virginia / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 124, NWS Wakefield, VA

August 18, 20148 counties in Virginia

NWS Wakefield, VA issued this severe thunderstorm warning at Aug 18, 2014, 2:44 PM EDT for 8 counties in Virginia. 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 18, 2014, 2:44 PM EDT (18:44 UTC)
Expired
Aug 18, 2014, 3:30 PM EDT
In force
46 min
Issued by
NWS Wakefield, VA
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Charles City County, VA, Chesterfield County, VA, City of Colonial Heights, VA, City of Hopewell, VA, City of Petersburg, VA, Dinwiddie County, VA, Prince George County, VA, Surry County, VA

The radar

The Norfolk radar (KAKQ), 39 km from the middle of the area, began a volume at 18:45 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
Aug 18, 2:35 PM EDTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 6.7 hours before the alert went out and 194 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 12:00Z on 2014-08-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 260 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 12:00Z on 2014-08-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 81 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
260 J/kg
Mixed-layer CIN
-45 J/kg
Mixed-layer LCL
918 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
81 m²/s²
0-3 km storm-relative helicity
110 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.6

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 Aug 18, 2:37 PM EDT, 7 minutes earlier.

Area forecast discussion, Aug 18, 2:37 PM EDT, 7 minutes before
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Hazardous weather outlook, Aug 18, 5:04 AM EDT, 9 hours 40 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE WAKEFIELD VA
504 AM EDT MON AUG 18 2014

NCZ012-VAZ048-049-060>072-079>083-087-088-092-191030-
NORTHAMPTON NC-FLUVANNA-LOUISA-PRINCE EDWARD-CUMBERLAND-GOOCHLAND-
HANOVER-CAROLINE-MECKLENBURG-LUNENBURG-NOTTOWAY-AMELIA-POWHATAN-
CHESTERFIELD-HENRICO-KING WILLIAM-BRUNSWICK-DINWIDDIE-PRINCE GEORGE-
CHARLES CITY-NEW KENT-GREENSVILLE-SUSSEX-SOUTHAMPTON-
504 AM EDT MON AUG 18 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR INTERIOR NORTHEAST NORTH
CAROLINA...CENTRAL VIRGINIA...EAST CENTRAL VIRGINIA...INTERIOR
SOUTHEAST VIRGINIA...SOUTH CENTRAL VIRGINIA AND THE PIEDMONT OF
CENTRAL VIRGINIA.

.DAY ONE...TODAY AND TONIGHT.

SHOWERS AND THUNDERSTORMS ARE EXPECTED ACROSS THE OUTLOOK AREA
THIS AFTERNOON INTO THIS EVENING. PERIODS OF HEAVY RAINFALL WILL
BRING THE POTENTIAL FOR LOCALIZED FLOODING...ESPECIALLY IN LOW
LYING...POOR DRAINAGE...AND OTHER FLOOD PRONE AREAS.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

MDZ021>025-NCZ013>017-030>032-102-VAZ073>078-084>086-089>091-093>100-
191030-
DORCHESTER-WICOMICO-SOMERSET-INLAND WORCESTER-MARYLAND BEACHES-
HERTFORD-GATES-PASQUOTANK-CAMDEN-INLAND CURRITUCK-BERTIE-CHOWAN-
PERQUIMANS-OUTER BANKS CURRITUCK-KING AND QUEEN-ESSEX-WESTMORELAND-
RICHMOND-NORTHUMBERLAND-LANCASTER-GLOUCESTER-MIDDLESEX-MATHEWS-SURRY-
JAMES CITY-YORK-ISLE OF WIGHT-NEWPORT NEWS/HAMPTON-
NORFOLK/PORTSMOUTH-SUFFOLK-CHESAPEAKE-VIRGINIA BEACH-ACCOMACK-
NORTHAMPTON VA-
504 AM EDT MON AUG 18 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE LOWER EASTERN SHORE OF
MARYLAND...COASTAL NORTHEAST NORTH CAROLINA...INTERIOR NORTHEAST
NORTH CAROLINA...THE NORTHERN OUTER BANKS OF NORTH
CAROLINA...INTERIOR SOUTHEAST VIRGINIA...SOUTH HAMPTON ROADS
VIRGINIA...THE EASTERN SHORE OF VIRGINIA...THE MIDDLE PENINSULA OF
VIRGINIA...THE NORTHERN NECK OF VIRGINIA AND THE PENINSULA OF
SOUTHEAST VIRGINIA.

.DAY ONE...TODAY AND TONIGHT.

SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS
THE OUTLOOK AREA THIS AFTERNOON AND TONIGHT. PERIODS OF HEAVY
RAINFALL WILL BE POSSIBLE...WHICH COULD RESULT IN LOCALIZED
FLOODING...ESPECIALLY IN LOW LYING...POOR DRAINAGE...AND OTHER
FLOOD PRONE AREAS.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

05

In the hours before

Special weather statement, Aug 18, 12:38 PM EDT, 2 hours 6 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WAKEFIELD VA
1238 PM EDT MON AUG 18 2014

VAZ060-065>068-079-181730-
AMELIA-BRUNSWICK-LUNENBURG-MECKLENBURG-NOTTOWAY-PRINCE EDWARD-
1238 PM EDT MON AUG 18 2014

...THUNDERSTORMS WITH HEAVY DOWNPOURS WILL MOVE ACROSS
AMELIA...PRINCE EDWARD...MECKLENBURG...LUNENBURG...BRUNSWICK AND
NOTTOWAY COUNTIES THROUGH 130 PM EDT...

AT 1237 PM EDT...DOPPLER RADAR INDICATED A LINE OF STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM 16 MILES WEST OF BRIERY TO
CLARKSVILLE TO 26 MILES SOUTH OF EPPES FORK...OR ALONG A LINE
EXTENDING FROM PHENIX TO 11 MILES SOUTH OF REDOAK TO 6 MILES
NORTHWEST OF LOUISBURG...MOVING EAST AT 30 MPH.

AREAS IMPACTED BY THESE STORMS INCLUDE   FAIRVIEW AROUND 1250 PM
EDT...
  PLANTERSVILLE AROUND 1255 PM EDT...
  KELLS CORNER AROUND 100 PM EDT...
  SIMPLICITY AROUND 105 PM EDT...
  BRIERY CREEK LAKE AROUND 110 PM EDT...
  SCHOLFIELD AROUND 115 PM EDT...

HAZARDS INCLUDE...
OCCASIONAL DEADLY CLOUD TO GROUND LIGHTNING.
HEAVY RAINFALL AND MINOR FLOODING.

THESE STORMS WILL PRODUCE HEAVY RAINFALL...WHICH WILL CAUSE MINOR
FLOODING OF LOW LYING AREAS INCLUDING DITCHES...CREEKS...ROADWAYS AND
AREAS OF POOR DRAINAGE. AVOID THESE AREAS AND DO NOT CROSS FLOODED
ROADS. MOTORISTS SHOULD ALSO REDUCE DRIVING SPEEDS TO AVOID
HYDROPLANING.

LAT...LON 3689 7850 3708 7845 3710 7850 3714 7853
      3715 7857 3713 7859 3717 7863 3734 7807
      3685 7783 3659 7773 3655 7777 3653 7858
      3671 7865

GINGRICH
Special weather statement, Aug 18, 1:21 PM EDT, 1 hour 23 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WAKEFIELD VA
121 PM EDT MON AUG 18 2014

NCZ012-VAZ065>067-079-080-087-088-092-181815-
BRUNSWICK-DINWIDDIE-GREENSVILLE-LUNENBURG-MECKLENBURG-NORTHAMPTON-
NOTTOWAY-SOUTHAMPTON-SUSSEX-
121 PM EDT MON AUG 18 2014

...STRONG THUNDERSTORMS WILL MOVE ACROSS NORTHAMPTON...MECKLENBURG...
LUNENBURG...BRUNSWICK...DINWIDDIE...NOTTOWAY...CITY OF EMPORIA...
GREENSVILLE...SOUTHAMPTON AND SUSSEX COUNTIES THROUGH 215 PM EDT...

AT 120 PM EDT...DOPPLER RADAR INDICATED A LINE OF STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM WILBURN TO LA CROSSE TO 17
MILES SOUTH OF EBONY...OR ALONG A LINE EXTENDING FROM 10 MILES SOUTH
OF VICTORIA TO SOUTH HILL TO 9 MILES SOUTHEAST OF WARRENTON...MOVING
EAST AT 40 MPH.

AREAS IMPACTED BY THESE STORMS INCLUDE   ORAL OAKS AROUND 125 PM
EDT...
  KENBRIDGE AROUND 130 PM EDT...
  LAFOON CORNER AROUND 135 PM EDT...
  VULTARE AROUND 140 PM EDT...
  FORKLAND AROUND 145 PM EDT...
  GUM FORKS AROUND 150 PM EDT...

HAZARDS INCLUDE...
GUSTY WINDS OF 30 TO 40 MPH.
AN EXCESSIVE AMOUNT OF DEADLY CLOUD TO GROUND LIGHTNING.
HEAVY RAINFALL AND MINOR FLOODING.

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.

THESE STORMS WILL PRODUCE HEAVY RAINFALL...WHICH WILL CAUSE MINOR
FLOODING OF LOW LYING AREAS INCLUDING DITCHES...CREEKS...ROADWAYS AND
AREAS OF POOR DRAINAGE. AVOID THESE AREAS AND DO NOT CROSS FLOODED
ROADS. MOTORISTS SHOULD ALSO REDUCE DRIVING SPEEDS TO AVOID
HYDROPLANING.

LAT...LON 3691 7841 3720 7744 3714 7739 3700 7740
      3704 7731 3695 7723 3655 7712 3654 7716
      3652 7711 3638 7755 3641 7755 3643 7761
      3648 7765 3648 7777 3650 7788 3654 7791
      3654 7816 3665 7819

GINGRICH
Special weather statement, Aug 18, 2:08 PM EDT, 36 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WAKEFIELD VA
208 PM EDT MON AUG 18 2014

VAZ062-063-068>072-080>083-181900-
AMELIA-CHARLES
CITY-CHESTERFIELD-DINWIDDIE-GOOCHLAND-HANOVER-HENRICO-KING
WILLIAM-NEW KENT-POWHATAN-PRINCE GEORGE-
208 PM EDT MON AUG 18 2014

...STRONG THUNDERSTORMS WILL MOVE ACROSS CITY OF COLONIAL HEIGHTS...
CITY OF RICHMOND...AMELIA...GOOCHLAND...HENRICO...CHESTERFIELD...
HANOVER...POWHATAN...CHARLES CITY...KING WILLIAM...NEW KENT...CITY OF
HOPEWELL...CITY OF PETERSBURG...DINWIDDIE AND PRINCE GEORGE COUNTIES
THROUGH 300 PM EDT...

AT 207 PM EDT...DOPPLER RADAR INDICATED A LINE OF STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM MIDLOTHIAN TO BEACH TO
ROCKY RUN...OR ALONG A LINE EXTENDING FROM BON AIR TO 10 MILES WEST
OF CHESTER TO 8 MILES WEST OF DINWIDDIE...MOVING EAST AT 20 MPH.

AREAS IMPACTED BY THESE STORMS INCLUDE   TUCKAHOE AROUND 215 PM
EDT...
  UNIVERSITY OF RICHMOND AROUND 220 PM EDT...
  DINWIDDIE AROUND 225 PM EDT...
  DUMBARTON AROUND 230 PM EDT...
  LAKESIDE AROUND 235 PM EDT...
  VIRGINIA UNION UNIVERSITY AROUND 240 PM EDT...

HAZARDS INCLUDE...
GUSTY WINDS OF 30 TO 40 MPH.
AN EXCESSIVE AMOUNT OF DEADLY CLOUD TO GROUND LIGHTNING.
HEAVY RAINFALL AND MINOR FLOODING.

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.

THESE STORMS WILL PRODUCE HEAVY RAINFALL...WHICH WILL CAUSE MINOR
FLOODING OF LOW LYING AREAS INCLUDING DITCHES...CREEKS...ROADWAYS AND
AREAS OF POOR DRAINAGE. AVOID THESE AREAS AND DO NOT CROSS FLOODED
ROADS. MOTORISTS SHOULD ALSO REDUCE DRIVING SPEEDS TO AVOID
HYDROPLANING.

LAT...LON 3769 7714 3738 7710 3709 7726 3701 7786
      3730 7771 3761 7774

GINGRICH
Special weather statement, Aug 18, 2:31 PM EDT, 13 minutes before
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Local storm report, Aug 18, 2:36 PM EDT, 8 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 18, 12:38 PM EDTSpecial Weather StatementAKQBrunswick, Lunenburg, Mecklenburg, Nottoway, Prince Edward52 min
Aug 18, 1:21 PM EDTSpecial Weather StatementAKQBrunswick, Dinwiddie, Greensville, Lunenburg, Sussex, City of Emporia54 min
Aug 18, 1:49 PM EDTSevere Thunderstorm WarningAKQBrunswick, Dinwiddie, Greensville, Southampton, Sussex, City of Emporia41 min
Aug 18, 2:08 PM EDTSpecial Weather StatementAKQChesterfield, Dinwiddie, Henrico, Prince George, City of Colonial Heights, City of Hopewell and 2 more52 min
Aug 18, 2:29 PM EDTSevere Thunderstorm WarningAKQDinwiddie, Greensville, Prince George, Southampton, Sussex46 min
Aug 18, 2:31 PM EDTSpecial Weather StatementAKQPrince George44 min
Aug 18, 3:00 PM EDTSpecial Weather StatementAKQSurry45 min
Aug 18, 3:05 PM EDTSpecial Marine WarningAKQ55 min
Aug 18, 3:23 PM EDTSpecial Weather StatementAKQIsle of Wight, Surry, City of Newport News, City of Williamsburg52 min
Aug 18, 3:33 PM EDTSpecial Weather StatementAKQCharles City, James City, New Kent, Surry, City of Williamsburg57 min
Aug 18, 3:35 PM EDTSevere Thunderstorm WarningAKQCity of Chesapeake, City of Hampton, City of Newport News, City of Norfolk, City of Portsmouth, City of Suffolk40 min
Aug 18, 3:50 PM EDTSpecial Marine WarningAKQ55 min
Aug 18, 4:00 PM EDTSpecial Marine WarningAKQ45 min
Aug 18, 4:14 PM EDTSpecial Weather StatementAKQCity of Norfolk, City of Portsmouth, City of Virginia Beach46 min
Aug 18, 4:30 PM EDTSpecial Weather StatementAKQNorthampton60 min
Aug 18, 4:34 PM EDTSpecial Marine WarningAKQ41 min
Aug 18, 4:39 PM EDTSpecial Marine WarningAKQ96 min
Aug 18, 5:03 PM EDTSpecial Weather StatementAKQCity of Virginia Beach12 min
Aug 18, 5:35 PM EDTSpecial Weather StatementAKQCity of Virginia Beach55 min
Aug 18, 5:36 PM EDTSpecial Marine WarningAKQ54 min
Aug 18, 7:35 PM EDTSpecial Weather StatementAKQCaroline55 min
Aug 18, 3:20 PM EDTSpecial Weather StatementAKQBertie40 min
Aug 18, 4:05 PM EDTSpecial Weather StatementAKQChowan, Gates40 min
Aug 18, 4:47 PM EDTSpecial Weather StatementAKQPasquotank, Perquimans58 min
Aug 18, 5:13 PM EDTSpecial Weather StatementAKQCamden, Pasquotank62 min
Aug 18, 5:20 PM EDTSpecial Weather StatementAKQCamden, Currituck, Pasquotank55 min

Nearby

Severe Thunderstorm Warnings in Virginia, 2014Every severe thunderstorm warning in 2014

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.