Alert archive / Virginia / Flash Flood Watches in 2011
Flash Flood Watch 1, NWS Wakefield, VA
NWS Wakefield, VA issued this flash flood watch at Jul 8, 2011, 3:56 AM EDT for 6 counties in Virginia; 4 counties in Maryland. It took effect at Jul 8, 2011, 3:00 PM EDT. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Jul 8, 2011, 3:56 AM EDT (07:56 UTC)
- In effect from
- Jul 8, 2011, 3:00 PM EDT
- Expired
- Jul 8, 2011, 11:44 PM EDT
- In force
- 9 hr
- Issued by
- NWS Wakefield, VA
- Flood severity
- None
Counties Dorchester County, MD, Somerset County, MD, Wicomico County, MD, Worcester County, MD, Caroline County, VA, Fluvanna County, VA, Goochland County, VA, Northumberland County, VA, Richmond County, VA, Westmoreland County, VA
The radar
The Norfolk radar (KAKQ), 124 km from the middle of the area, began a volume at 08:00 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
Washington/Dulle, VA (KIAD), launched 00:00Z, 7.9 hours before the alert went out and 119 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.
- Mixed-layer CAPE
- 276 J/kg
- Mixed-layer CIN
- -30 J/kg
- Mixed-layer LCL
- 2030 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 4 m²/s²
- 0-3 km storm-relative helicity
- -11 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this flash flood watch 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 watch went out at Jul 7, 8:16 PM EDT, 7 hours 40 minutes earlier.
Area forecast discussion, Jul 7, 8:16 PM EDT, 7 hours 40 minutes before
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</html>Hazardous weather outlook, Jul 7, 4:37 PM EDT, 11 hours 19 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE WAKEFIELD VA 437 PM EDT THU JUL 7 2011 MDZ021>025-NCZ012>017-030>032-102-VAZ048-049-060>100-082045- DORCHESTER-WICOMICO-SOMERSET-INLAND WORCESTER-MARYLAND BEACHES- 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-MATHEWS-GREENSVILLE-SUSSEX-SURRY-JAMES CITY-YORK- SOUTHAMPTON-ISLE OF WIGHT-NEWPORT NEWS/HAMPTON-NORFOLK/PORTSMOUTH- SUFFOLK-CHESAPEAKE-VIRGINIA BEACH-ACCOMACK-NORTHAMPTON VA- 437 PM EDT THU JUL 7 2011 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...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...TONIGHT. ISOLATED TO WIDELY SCATTERED THUNDERSTORMS WILL REMAIN POSSIBLE THIS EVENING. A FEW OF THE STORMS MAY PRODUCE GUSTY WINDS AND LOCALLY HEAVY DOWNPOURS. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. THERE IS A SLIGHT RISK FOR SEVERE WEATHER FRIDAY AFTERNOON AND EVENING. THE PRIMARY THREAT WILL BE FROM DAMAGING WINDS...WITH LARGE HAIL ALSO POSSIBLE. IN ADDITION TO THE SEVERE THREAT...A WARM AND HUMID AIRMASS WILL BE FAVORABLE FOR VERY HEAVY RAINFALL... AND LOCALIZED FLOODING FROM LATE FRIDAY AFTERNOON THROUGH SATURDAY MORNING. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED FRIDAY AFTERNOON AND EVENING. ANZ630>634-650-652-654-656-658-082045- 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 LITTLE CREEK VA- CURRITUCK SOUND- CHESAPEAKE BAY FROM LITTLE CREEK TO CAPE HENRY VA...INCLUDING THE CHESAPEAKE BAY BRIDGE TUNNEL- COASTAL WATERS FROM FENWICK ISLAND DE TO CHINCOTEAGUE VA OUT TO 20 NM- COASTAL WATERS FROM CHINCOTEAGUE TO PARRAMORE ISLAND VA OUT TO 20 NM- COASTAL WATERS FROM PARRAMORE ISLAND TO CAPE CHARLES LIGHT VA OUT TO 20 NM- COASTAL WATERS FROM CAPE CHARLES LIGHT VA TO NC VA BORDER OUT TO 20 NM- COASTAL WATERS FROM NC VA BORDER TO CURRITUCK BEACH LIGHT NC OUT TO 20 NM- 437 PM EDT THU JUL 7 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE CENTRAL CHESAPEAKE BAY...THE SOUTHERN CHESAPEAKE BAY...THE MID ATLANTIC COASTAL WATERS AND CURRITUCK SOUND. .DAY ONE...TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. HURLEY
The office that day
Everything else NWS Wakefield, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 8, 5:36 AM EDT | Special Weather Statement | AKQ | Brunswick | 39 min |
| Jul 8, 5:37 AM EDT | Special Weather Statement | AKQ | Sussex | 38 min |
| Jul 8, 6:22 AM EDT | Special Weather Statement | AKQ | Gloucester, Lancaster, Mathews, Middlesex, City of Williamsburg | 53 min |
| Jul 8, 6:42 AM EDT | Special Weather Statement | AKQ | Dinwiddie | 63 min |
| Jul 8, 7:54 AM EDT | Special Weather Statement | AKQ | Surry, York, City of Williamsburg | 21 min |
| Jul 8, 8:16 AM EDT | Areal Flood Advisory | AKQ | Gloucester, Isle of Wight, James City, King and Queen, Surry, York and 2 more | 59 min |
| Jul 8, 9:28 AM EDT | Areal Flood Advisory | AKQ | Gloucester, Isle of Wight, James City, King and Queen, Mathews, Surry and 5 more | 62 min |
| Jul 8, 2:36 PM EDT | Areal Flood Advisory | AKQ | Gloucester, James City, Mathews, Surry, York, City of Williamsburg | 84 min |
| Jul 8, 3:12 PM EDT | Special Weather Statement | AKQ | Dinwiddie, City of Petersburg | 78 min |
| Jul 8, 3:42 PM EDT | Special Weather Statement | AKQ | Louisa | 33 min |
| Jul 8, 4:09 PM EDT | Special Weather Statement | AKQ | Chesterfield, Henrico, King William, New Kent, City of Colonial Heights, City of Hopewell and 2 more | 81 min |
| Jul 8, 5:33 PM EDT | Special Weather Statement | AKQ | Caroline, Fluvanna, Goochland, Hanover, Louisa | 57 min |
| Jul 8, 5:44 PM EDT | Special Weather Statement | AKQ | Caroline | 46 min |
| Jul 8, 6:01 PM EDT | Special Weather Statement | AKQ | Dorchester, Somerset, Wicomico | 74 min |
Nearby
Flash Flood Watches in Virginia, 2011Flash Flood Watches in Maryland, 2011Every flash flood watch in 2011
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.