Alert archive / Virginia / Flash Flood Warnings in 2008

Flash Flood Warning 5, NWS Wakefield, VA

July 5, 2008Cumberland County, Virginia

NWS Wakefield, VA issued this flash flood warning at Jul 5, 2008, 9:35 PM EDT for Cumberland County, Virginia. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 5, 2008, 9:35 PM EDT (01:35 UTC)
Expired: Jul 6, 2008, 12:30 AM EDT
In force: 3 hr
Issued by: NWS Wakefield, VA
Area: Storm-based polygon
Flood severity: None

County Cumberland County, VA

The radar

The Norfolk radar (KAKQ), 124 km from the middle of the area, began a volume at 01:37 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, 1.6 hours before the alert went out and 116 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 333 J/kg
Mixed-layer CIN: -14 J/kg
Mixed-layer LCL: 1080 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 8 m²/s²
0-3 km storm-relative helicity: -6 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 flash flood 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 flash flood warning went out at Jul 5, 7:09 PM EDT, 2 hours 26 minutes earlier.

Area forecast discussion, Jul 5, 7:09 PM EDT, 2 hours 26 minutes before

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Hazardous weather outlook, Jul 5, 6:12 AM EDT, 15 hours 23 minutes before

HAZARDOUS WEATHER OUTLOOK...CORRECTED
NATIONAL WEATHER SERVICE WAKEFIELD VA
612 AM EDT SAT JUL 5 2008

ANZ630>633-650-652-654-656-658-MDZ021>025-NCZ012>014-030>032-VAZ048-
049-060>094-096-099-100-061015-
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-
NORTHAMPTON NC-HERTFORD-GATES-BERTIE-CHOWAN-PERQUIMANS-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-MATHEWS-GREENSVILLE-
SUSSEX-SURRY-JAMES CITY-YORK-SOUTHAMPTON-ISLE OF WIGHT-
NEWPORT NEWS/HAMPTON-SUFFOLK-ACCOMACK-NORTHAMPTON VA-
612 AM EDT SAT JUL 5 2008

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...COASTAL NORTHEAST NORTH CAROLINA...INTERIOR NORTHEAST
NORTH CAROLINA...CENTRAL VIRGINIA...EAST CENTRAL
VIRGINIA...INTERIOR SOUTHEAST VIRGINIA...SOUTH CENTRAL
VIRGINIA...SOUTH HAMPTON ROADS VIRGINIA...THE EASTERN SHORE OF
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...
SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP THIS AFTERNOON...
AND BECOME MORE NUMEROUS BY LATE AFTERNOON AND EARLY EVENING. THE
PRIMARY THREAT FROM THESE THUNDERSTORMS WILL BE WITH FREQUENT
CLOUD TO GROUND LIGHTNING ALONG WITH HEAVY RAINFALL...WHICH COULD
LEAD TO LOCALIZED FLOODING IN LOW LYING AND FLOOD PRONE AREAS.
ISOLATED SEVERE THUNDERSTORMS WILL BE POSSIBLE...CAPABLE OF
PRODUCING DAMAGING WIND GUSTS.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY...
ADDITIONAL THUNDERSTORMS ARE ANTICIPATED SUNDAY AND AGAIN ON
MONDAY AHEAD OF A SLOW MOVING COLD FRONT...ESPECIALLY DURING THE
PEAK HEATING HOURS OF THE AFTERNOON AND EARLY EVENING.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

NCZ015>017-102-VAZ095-097-098-061015-
PASQUOTANK-CAMDEN-INLAND CURRITUCK-OUTER BANKS CURRITUCK-
NORFOLK/PORTSMOUTH-CHESAPEAKE-VIRGINIA BEACH-
612 AM EDT SAT JUL 5 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR COASTAL NORTHEAST NORTH
CAROLINA...THE NORTHERN OUTER BANKS OF NORTH CAROLINA AND SOUTH
HAMPTON ROADS VIRGINIA.

.DAY ONE...TODAY AND TONIGHT...
SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP THIS AFTERNOON...
AND BECOME MORE NUMEROUS BY LATE AFTERNOON AND EARLY EVENING. THE
PRIMARY THREAT FROM THESE THUNDERSTORMS WILL BE WITH FREQUENT
CLOUD TO GROUND LIGHTNING ALONG WITH HEAVY RAINFALL...WHICH COULD
LEAD TO LOCALIZED FLOODING IN LOW LYING AND FLOOD PRONE AREAS.
ISOLATED SEVERE THUNDERSTORMS WILL BE POSSIBLE...CAPABLE OF
PRODUCING DAMAGING WIND GUSTS.

IN ADDITION...AREAS OF SMOKE WILL CONTINUE TO REDUCE VISIBILITIES
AND CREATE POOR AIR QUALITY AT TIMES.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY...
ADDITIONAL THUNDERSTORMS ARE ANTICIPATED SUNDAY AND AGAIN ON
MONDAY AHEAD OF A SLOW MOVING COLD FRONT...ESPECIALLY DURING THE
PEAK HEATING HOURS OF THE AFTERNOON AND EARLY EVENING.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

HURLEY

In the hours before

Local storm report, Jul 5, 7:05 PM EDT, 2 hours 30 minutes before

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Special weather statement, Jul 5, 7:20 PM EDT, 2 hours 15 minutes before

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Special weather statement, Jul 5, 7:32 PM EDT, 2 hours 3 minutes before

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Special weather statement, Jul 5, 8:07 PM EDT, 1 hour 28 minutes before

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Special weather statement, Jul 5, 8:20 PM EDT, 1 hour 15 minutes before

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Special weather statement, Jul 5, 8:44 PM EDT, 51 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 5, 8:01 PM EDT	Areal Flood Advisory	AKQ	Cumberland, Fluvanna, Goochland, Louisa	119 min
Jul 5, 8:30 PM EDT	Areal Flood Advisory	AKQ	City of Chesapeake, City of Norfolk, City of Portsmouth, City of Virginia Beach	2 hr
Jul 5, 9:02 PM EDT	Areal Flood Advisory	AKQ	Chesterfield, Goochland, Hanover, Henrico, Louisa, Powhatan	118 min
Jul 5, 9:44 PM EDT	Areal Flood Advisory	AKQ	City of Virginia Beach	61 min
Jul 6, 4:46 PM EDT	Special Marine Warning	AKQ		89 min
Jul 6, 5:52 PM EDT	Severe Thunderstorm Warning	AKQ	City of Suffolk	34 min
Jul 6, 7:33 PM EDT	Areal Flood Advisory	AKQ	Northumberland	57 min
Jul 6, 7:46 PM EDT	Areal Flood Advisory	AKQ	Richmond	3 hr
Jul 5, 8:43 PM EDT	Areal Flood Advisory	AKQ	Bertie	2 hr
Jul 6, 6:26 PM EDT	Areal Flood Advisory	AKQ	Bertie, Camden, Chowan, Currituck, Gates, Hertford and 2 more	2 hr
Jul 6, 6:38 PM EDT	Flash Flood Warning	AKQ	Bertie, Chowan	3 hr
Jul 6, 7:38 PM EDT	Flash Flood Warning	AKQ	Camden, Chowan, Currituck, Pasquotank, Perquimans	3 hr

Nearby

Flash Flood Warnings in Virginia, 2008 Every flash flood warning in 2008

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.