Alert archive / Virginia / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 148, NWS Wakefield, VA

August 10, 2007Isle of Wight County, City of Suffolk, Virginia

NWS Wakefield, VA issued this severe thunderstorm warning at Aug 10, 2007, 1:58 PM EDT for Isle of Wight County, City of Suffolk, Virginia. It was in force for 62 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 10, 2007, 1:58 PM EDT (17:58 UTC)
Expired
Aug 10, 2007, 3:00 PM EDT
In force
62 min
Issued by
NWS Wakefield, VA
Area
Counties, with a storm outline in the text

Counties City of Suffolk, VA, Isle of Wight County, VA

The radar

The Norfolk radar (KAKQ), 37 km from the middle of the area, began a volume at 18:02 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 10, 1:43 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Newport, NC (KMHX), launched 12:00Z, 6.0 hours before the alert went out and 226 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 2007-08-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2847 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 2007-08-10The 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
2847 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
645 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
81 m²/s²
0-3 km storm-relative helicity
134 m²/s²
Significant tornado parameter
1.4
Supercell composite
7.7

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 Aug 10, 9:31 AM EDT, 4 hours 27 minutes earlier.

Area forecast discussion, Aug 10, 9:31 AM EDT, 4 hours 27 minutes before
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Hazardous weather outlook, Aug 10, 5:57 AM EDT, 8 hours 1 minute before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE WAKEFIELD VA
557 AM EDT FRI AUG 10 2007

NCZ012>017-030>032-102-VAZ048-049-060>085-087>098-111000-
NORTHAMPTON NC-HERTFORD-GATES-PASQUOTANK-CAMDEN-INLAND CURRITUCK-
BERTIE-CHOWAN-PERQUIMANS-OUTER BANKS CURRITUCK-FLUVANNA-LOUISA-
PRINCE EDWARD-CUMBERLAND-GOOCHLAND-HANOVER-CAROLINE-MECKLENBURG-
LUNENBURG-NOTTOWAY-AMELIA-POWHATAN-CHESTERFIELD-HENRICO-KING WILLIAM-
KING AND QUEEN-ESSEX-WESTMORELAND-RICHMOND-NORTHUMBERLAND-LANCASTER-
BRUNSWICK-DINWIDDIE-PRINCE GEORGE-CHARLES CITY-NEW KENT-GLOUCESTER-
MIDDLESEX-GREENSVILLE-SUSSEX-SURRY-JAMES CITY-YORK-SOUTHAMPTON-
ISLE OF WIGHT-NEWPORT NEWS/HAMPTON-NORFOLK/PORTSMOUTH-SUFFOLK-
CHESAPEAKE-VIRGINIA BEACH-
557 AM EDT FRI AUG 10 2007

...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO 8 PM EDT THIS
EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR COASTAL NORTHEAST NORTH
CAROLINA...INTERIOR NORTHEAST NORTH CAROLINA...THE NORTHERN OUTER
BANKS OF NORTH CAROLINA...CENTRAL VIRGINIA...EAST CENTRAL
VIRGINIA...INTERIOR SOUTHEAST VIRGINIA...SOUTH CENTRAL
VIRGINIA...SOUTH HAMPTON ROADS VIRGINIA...THE MIDDLE PENINSULA OF
VIRGINIA...THE NORTHERN NECK OF VIRGINIA...THE PENINSULA OF
SOUTHEAST VIRGINIA AND THE PIEDMONT OF CENTRAL VIRGINIA.

.DAY ONE...TODAY AND TONIGHT...

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   HEAT ADVISORY.

IN ADDITION...THUNDERSTORMS WILL DEVELOP AHEAD OF AN APPROACHING
COLD FRONT THIS AFTERNOON AND EVENING. SOME OF THESE THUNDERSTORMS
MAY BECOME SEVERE...CAPABLE OF PRODUCING DAMAGING WIND GUSTS IN
EXCESS OF 60 MPH.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY...

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND EVENING.

VAZ086-111000-
MATHEWS-
557 AM EDT FRI AUG 10 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE MIDDLE PENINSULA OF
VIRGINIA.

.DAY ONE...TODAY AND TONIGHT...

THUNDERSTORMS WILL DEVELOP AHEAD OF AN APPROACHING COLD FRONT
THIS AFTERNOON. SOME OF THESE THUNDERSTORMS MAY BECOME SEVERE...
CAPABLE OF PRODUCING DAMAGING WIND GUSTS IN EXCESS OF 60 MPH.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY...

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON.

ANZ630>633-650-652-654-656-658-MDZ021>025-VAZ099-100-111000-
CHESAPEAKE BAY FROM SMITH POINT TO WINDMILL POINT VA-
CHESAPEAKE BAY FROM WINDMILL POINT TO NEW POINT COMFORT VA-
CHESAPEAKE BAY FROM NEW POINT COMFORT TO CAPE HENRY VA-
CURRITUCK SOUND-
COASTAL WATERS FROM FENWICK ISLAND DE TO CHINCOTEAGUE VA OUT 20 NM-
COASTAL WATERS FROM CHINCOTEAGUE TO PARRAMORE ISLAND VA OUT 20 NM-
COASTAL WATERS FROM PARRAMORE ISLAND TO CAPE CHARLES LIGHT VA OUT
20 NM-
COASTAL WATERS FROM CAPE CHARLES LIGHT VA TO NC VA BORDER OUT 20 NM-
COASTAL WATERS FROM NC VA BORDER TO CURRITUCK BEACH LIGHT NC OUT
20 NM-DORCHESTER-WICOMICO-SOMERSET-INLAND WORCESTER-MARYLAND BEACHES-
ACCOMACK-NORTHAMPTON VA-
557 AM EDT FRI AUG 10 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE CENTRAL CHESAPEAKE
BAY...THE SOUTHERN CHESAPEAKE BAY...THE MID ATLANTIC COASTAL
WATERS...CURRITUCK SOUND...THE LOWER EASTERN SHORE OF MARYLAND AND
THE EASTERN SHORE OF VIRGINIA.

.DAY ONE...TODAY AND TONIGHT...

THUNDERSTORMS WILL DEVELOP AHEAD OF AN APPROACHING COLD FRONT
THIS AFTERNOON AND EVENING. SOME OF THESE THUNDERSTORMS MAY
BECOME SEVERE...CAPABLE OF PRODUCING DAMAGING WIND GUSTS IN
EXCESS OF 60 MPH.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY...

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND EVENING.

HURLEY

In the hours before

Local storm report, Aug 10, 12:25 PM EDT, 1 hour 33 minutes before
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Local storm report, Aug 10, 12:40 PM EDT, 1 hour 18 minutes before
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Local storm report, Aug 10, 12:46 PM EDT, 1 hour 12 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WAKEFIELD VA
1246 PM EDT FRI AUG 10 2007

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0525 PM     TSTM WND DMG     ZION CROSSROADS         37.97N 78.22W
08/09/2007                   LOUISA             VA   LAW ENFORCEMENT

            TREES DOWN NEAR ROUTE 15 AND I64

&&

JFOSTER
Local storm report, Aug 10, 1:16 PM EDT, 42 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WAKEFIELD VA
116 PM EDT FRI AUG 10 2007

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0452 PM     TSTM WND DMG     3 WSW DUANE FORK        37.86N 77.28W
08/09/2007                   CAROLINE           VA   TRAINED SPOTTER

            ONE TREE AND NUMEROUS LARGE BRANCHES REPORTED KNOCKED
            DOWN.

&&

WAMSLEY
Special weather statement, Aug 10, 1:24 PM EDT, 34 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WAKEFIELD VA
124 PM EDT FRI AUG 10 2007

VAZ092-101830-
SOUTHAMPTON VA-
124 PM EDT FRI AUG 10 2007

...STRONG THUNDERSTORM DEVELOPING OVER NORTH CENTRAL SOUTHAMPTON...

AT 124 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER CENTRAL SUSSEX COUNTY...OR ABOUT 11 MILES
NORTHWEST OF COURTLAND...MOVING EAST AT 15 MPH. THE STRONG
THUNDERSTORMS WILL BE NEAR SEBRELL AT 130 PM EDT...DORY...AND...MANRY
AT 140 PM EDT...VICKSVILLE AT 150 PM EDT...BERLIN AT 155 PM EDT...
SEDLEY AT 200 PM EDT.

EXPECT FREQUENT CLOUD TO GROUND LIGHTNING AND HEAVY RAINFALL WITH
THESE STORMS. PONDING OF WATER ON ROADWAYS AND FLOODING OF LOW LYING
AND FLOOD PRONE AREAS IS ALSO POSSIBLE. IF YOU HEAR THUNDER...YOU ARE
CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. MOVE INTO A SAFE SHELTER
BEFORE THESE STORMS REACH YOUR AREA. REMAIN INDOORS UNTIL THE STORMS
HAVE PASSED.

RAINFALL RATES OF 2 TO 3 INCHES WILL BE POSSIBLE WITHIN AN HOURS
TIMEFRAME.

WAMSLEY
Special weather statement, Aug 10, 1:39 PM EDT, 19 minutes before
SPECIAL WEATHER STATEMENT...CORRECTED FOR CITY
NATIONAL WEATHER SERVICE WAKEFIELD VA
139 PM EDT FRI AUG 10 2007

NCZ012-101845-
NORTHAMPTON NC-
139 PM EDT FRI AUG 10 2007

...STRONG THUNDERSTORM OVER NORTHAMPTON COUNTY NORTH CAROLINA...

AT 139 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 6 MILES NORTHWEST OF GARYSBURG...OR ABOUT OVER
ROANOKE RAPIDS...MOVING EAST AT 15 MPH. STRONG THUNDERSTORMS WILL BE
NEAR TURNERS CROSSROADS AT 145 PM EDT...PLEASANT HILL AND GARYSBURG
AT 155 PM...GUMBERRY AT 205 PM...SEABOARD...GALATIA...AND FALSONS
OLD TAVERN AT 245 PM EDT.

WIND GUSTS TO 45 MPH...CLOUD TO GROUND LIGHTNING...AND HEAVY
RAINFALL WILL ACCOMPANY THESE STORMS. THE HEAVY RAINFALL MAY
CAUSE PONDING OF WATER ON ROADWAYS...AND POSSIBLE LOCALIZED FLOODING
IN LOW LYING AND FLOOD PRONE AREAS.

FOSTER

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 9, 8:47 PM EDTSevere Thunderstorm WarningAKQAmelia43 min
Aug 9, 10:38 PM EDTSpecial Marine WarningAKQ52 min
Aug 9, 11:47 PM EDTSpecial Marine WarningAKQ33 min
Aug 9, 11:48 PM EDTMarine Weather StatementAKQ87 min
Aug 10, 12:29 AM EDTMarine Weather StatementAKQ61 min
Aug 10, 1:48 AM EDTSevere Thunderstorm WarningAKQHanover, King and Queen, King William, New Kent42 min
Aug 10, 1:49 AM EDTSpecial Marine WarningAKQ86 min
Aug 10, 1:57 AM EDTSevere Thunderstorm WarningAKQCharles City, James City, New Kent, Prince George48 min
Aug 10, 3:03 AM EDTMarine Weather StatementAKQ87 min
Aug 10, 3:54 AM EDTMarine Weather StatementAKQ66 min
Aug 10, 1:31 PM EDTSevere Thunderstorm WarningAKQSouthampton, City of Franklin59 min
Aug 10, 2:39 PM EDTSevere Thunderstorm WarningAKQCity of Chesapeake66 min
Aug 10, 2:48 PM EDTSevere Thunderstorm WarningAKQSouthampton, City of Franklin42 min
Aug 10, 2:58 PM EDTMarine Weather StatementAKQ2 hr
Aug 10, 3:39 PM EDTSpecial Marine WarningAKQ96 min
Aug 10, 5:11 PM EDTSpecial Marine WarningAKQ24 min
Aug 10, 6:13 PM EDTSevere Thunderstorm WarningAKQBrunswick47 min
Aug 10, 6:44 PM EDTSevere Thunderstorm WarningAKQGreensville, City of Emporia46 min
Aug 10, 2:28 PM EDTAreal Flood AdvisoryAKQNorthampton3 hr
Aug 10, 2:47 PM EDTSevere Thunderstorm WarningAKQCamden, Gates, Pasquotank58 min
Aug 10, 3:03 PM EDTAreal Flood AdvisoryAKQGates3 hr
Aug 10, 3:11 PM EDTSevere Thunderstorm WarningAKQChowan, Perquimans64 min
Aug 10, 3:16 PM EDTSevere Thunderstorm WarningAKQCurrituck74 min

Nearby

Severe Thunderstorm Warnings in Virginia, 2007Every severe thunderstorm warning in 2007

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.