Alert archive / Virginia / Flash Flood Watches in 2012
Flash Flood Watch 1, NWS Wakefield, VA
NWS Wakefield, VA issued this flash flood watch at Jul 21, 2012, 2:35 PM EDT for 22 counties in Virginia; 9 counties in North Carolina. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Jul 21, 2012, 2:35 PM EDT (18:35 UTC)
- Expired
- Jul 21, 2012, 9:43 PM EDT
- In force
- 7 hr
- Issued by
- NWS Wakefield, VA
- Flood severity
- None
All 31 counties
Bertie County, NC, Camden County, NC, Chowan County, NC, Currituck County, NC, Gates County, NC, Hertford County, NC, Northampton County, NC, Pasquotank County, NC, Perquimans County, NC, Brunswick County, VA, Charles City County, VA, City of Chesapeake, VA, City of Emporia, VA, City of Franklin, VA, City of Hopewell, VA, City of Petersburg, VA, City of Virginia Beach, VA, City of Williamsburg, VA, Dinwiddie County, VA, Gloucester County, VA, Greensville County, VA, James City County, VA, Lunenburg County, VA, Mathews County, VA, Mecklenburg County, VA, Northampton County, VA, Nottoway County, VA, Prince George County, VA, Southampton County, VA, Surry County, VA, Sussex County, VA
The radar
The Norfolk radar (KAKQ), 19 km from the middle of the area, began a volume at 18:38 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, 6.6 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.
- Mixed-layer CAPE
- 1797 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 596 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 103 m²/s²
- 0-3 km storm-relative helicity
- 118 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.6
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 21, 1:55 PM EDT, 40 minutes earlier.
Area forecast discussion, Jul 21, 1:55 PM EDT, 40 minutes before
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</html>Hazardous weather outlook, Jul 21, 10:16 AM EDT, 4 hours 19 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE WAKEFIELD VA 1016 AM EDT SAT JUL 21 2012 MDZ021>024-VAZ048-049-061>064-069-071>078-083>086-221430- DORCHESTER-WICOMICO-SOMERSET-INLAND WORCESTER-FLUVANNA-LOUISA- CUMBERLAND-GOOCHLAND-HANOVER-CAROLINE-POWHATAN-HENRICO-KING WILLIAM- KING AND QUEEN-ESSEX-WESTMORELAND-RICHMOND-NORTHUMBERLAND-LANCASTER- NEW KENT-GLOUCESTER-MIDDLESEX-MATHEWS- 1016 AM EDT SAT JUL 21 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE LOWER EASTERN SHORE OF MARYLAND...CENTRAL VIRGINIA...EAST CENTRAL VIRGINIA...THE MIDDLE PENINSULA OF VIRGINIA...THE NORTHERN NECK OF VIRGINIA AND THE PIEDMONT OF CENTRAL VIRGINIA. .DAY ONE...TODAY AND TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. MDZ025-VAZ099-221430- MARYLAND BEACHES-ACCOMACK- 1016 AM EDT SAT JUL 21 2012 ...MODERATE RIP CURRENT RISK IN EFFECT UNTIL 8 PM EDT THIS EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE LOWER EASTERN SHORE OF MARYLAND AND THE EASTERN SHORE OF 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. MODERATE RIP CURRENT RISK. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. NCZ012>017-030>032-VAZ060-065>068-070-079>082-087>097-221430- NORTHAMPTON NC-HERTFORD-GATES-PASQUOTANK-CAMDEN-INLAND CURRITUCK- BERTIE-CHOWAN-PERQUIMANS-PRINCE EDWARD-MECKLENBURG-LUNENBURG- NOTTOWAY-AMELIA-CHESTERFIELD-BRUNSWICK-DINWIDDIE-PRINCE GEORGE- CHARLES CITY-GREENSVILLE-SUSSEX-SURRY-JAMES CITY-YORK-SOUTHAMPTON- ISLE OF WIGHT-NEWPORT NEWS/HAMPTON-NORFOLK/PORTSMOUTH-SUFFOLK- CHESAPEAKE- 1016 AM EDT SAT JUL 21 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR COASTAL NORTHEAST NORTH CAROLINA...INTERIOR NORTHEAST NORTH CAROLINA...CENTRAL VIRGINIA...EAST CENTRAL VIRGINIA...INTERIOR SOUTHEAST VIRGINIA...SOUTH CENTRAL VIRGINIA...SOUTH HAMPTON ROADS VIRGINIA...THE PENINSULA OF SOUTHEAST VIRGINIA AND THE PIEDMONT OF CENTRAL VIRGINIA. .DAY ONE...TODAY AND TONIGHT. SHOWERS AND THUNDERSTORMS ARE EXPECTED TO REDEVELOP ACROSS THE OUTLOOK AREA THIS AFTERNOON ALONG A STALLED FRONTAL BOUNDARY. PERIODS OF HEAVY RAIN ARE POSSIBLE THROUGH THIS EVENING...WITH LOCALIZED FLOODING POSSIBLE IN LOW LYING...POOR DRAINAGE...AND OTHER FLOOD PRONE AREAS. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY. SCATTERED THUNDERSTORMS WILL BE POSSIBLE SUNDAY AND MONDAY. HEAVY RAINFALL AND GUSTY WINDS ARE THE PRIMARY HAZARDS WITH ANY DEVELOPING THUNDERSTORMS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. NCZ102-VAZ098-100-221430- OUTER BANKS CURRITUCK-VIRGINIA BEACH-NORTHAMPTON VA- 1016 AM EDT SAT JUL 21 2012 ...MODERATE RIP CURRENT RISK IN EFFECT UNTIL 8 PM EDT THIS EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE NORTHERN OUTER BANKS OF NORTH CAROLINA...SOUTH HAMPTON ROADS VIRGINIA AND THE EASTERN SHORE OF 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. MODERATE RIP CURRENT RISK. SHOWERS AND THUNDERSTORMS ARE EXPECTED TO REDEVELOP ACROSS THE OUTLOOK AREA THIS AFTERNOON ALONG A STALLED FRONTAL BOUNDARY. PERIODS OF HEAVY RAIN ARE POSSIBLE THROUGH THIS EVENING...WITH LOCALIZED FLOODING POSSIBLE IN LOW LYING...POOR DRAINAGE...AND OTHER FLOOD PRONE AREAS. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY. SCATTERED THUNDERSTORMS WILL BE POSSIBLE SUNDAY AND MONDAY. HEAVY RAINFALL AND GUSTY WINDS ARE THE PRIMARY HAZARDS WITH ANY DEVELOPING THUNDERSTORMS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. ANZ650-652-221430- 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- 1016 AM EDT SAT JUL 21 2012 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EDT SUNDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE MID ATLANTIC COASTAL WATERS. .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. SMALL CRAFT ADVISORY. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. ANZ630>638-654-656-658-221430- 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- RAPPAHANNOCK RIVER FROM URBANNA TO WINDMILL POINT-YORK RIVER- JAMES RIVER FROM JAMESTOWN TO THE JAMES RIVER BRIDGE- JAMES RIVER FROM THE JAMES RIVER BRIDGE TO THE HAMPTON ROADS BRIDGE- TUNNEL- 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- 1016 AM EDT SAT JUL 21 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE CENTRAL CHESAPEAKE BAY...THE LOWER CHESAPEAKE BAY...THE MID ATLANTIC COASTAL WATERS...CURRITUCK SOUND...THE EASTERN JAMES RIVER...THE EASTERN RAPPAHANNOCK RIVER AND THE EASTERN YORK RIVER. .DAY ONE...TODAY AND TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
In the hours before
Local storm report, Jul 21, 10:32 AM EDT, 4 hours 3 minutes before
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</html>The office that day
Everything else NWS Wakefield, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 20, 8:30 PM EDT | Special Weather Statement | AKQ | Charles City, Prince George, Surry, Sussex, City of Hopewell, City of Petersburg | 60 min |
| Jul 20, 9:06 PM EDT | Special Weather Statement | AKQ | Charles City, Gloucester, James City, Surry, City of Williamsburg | 39 min |
| Jul 20, 9:16 PM EDT | Areal Flood Advisory | AKQ | Charles City, Chesterfield, Dinwiddie, Henrico, Isle of Wight, James City and 9 more | 104 min |
| Jul 20, 9:56 PM EDT | Special Weather Statement | AKQ | Northampton, City of Hampton, City of Newport News, City of Norfolk, City of Poquoson, City of Portsmouth and 1 more | 64 min |
| Jul 20, 10:17 PM EDT | Special Weather Statement | AKQ | Henrico, City of Colonial Heights, City of Hopewell | 43 min |
| Jul 20, 10:24 PM EDT | Special Weather Statement | AKQ | Northampton | 66 min |
| Jul 20, 10:50 PM EDT | Areal Flood Advisory | AKQ | Mathews, Middlesex | 100 min |
| Jul 20, 11:25 PM EDT | Special Weather Statement | AKQ | Northampton | 35 min |
| Jul 21, 8:11 AM EDT | Special Weather Statement | AKQ | Hanover | 64 min |
| Jul 21, 1:23 PM EDT | Special Weather Statement | AKQ | Brunswick, Mecklenburg | 52 min |
| Jul 21, 1:25 PM EDT | Special Weather Statement | AKQ | Gloucester, Mathews | 65 min |
| Jul 21, 1:30 PM EDT | Special Weather Statement | AKQ | Mathews, York, City of Hampton, City of Newport News, City of Poquoson | 60 min |
| Jul 21, 1:36 PM EDT | Special Weather Statement | AKQ | City of Virginia Beach | 54 min |
| Jul 21, 1:51 PM EDT | Areal Flood Advisory | AKQ | Gloucester, James City, King and Queen, Mathews, Middlesex, York and 2 more | 2 hr |
| Jul 21, 2:10 PM EDT | Special Marine Warning | AKQ | 72 min | |
| Jul 21, 2:14 PM EDT | Areal Flood Advisory | AKQ | Brunswick, Lunenburg, Mecklenburg | 106 min |
| Jul 21, 2:28 PM EDT | Areal Flood Advisory | AKQ | Chesterfield, Prince George, City of Colonial Heights, City of Hopewell, City of Petersburg | 58 min |
| Jul 21, 2:36 PM EDT | Special Weather Statement | AKQ | Northampton | 69 min |
| Jul 21, 2:42 PM EDT | Areal Flood Advisory | AKQ | City of Chesapeake, City of Virginia Beach | 108 min |
| Jul 21, 2:44 PM EDT | Special Marine Warning | AKQ | 91 min | |
| Jul 21, 3:19 PM EDT | Special Weather Statement | AKQ | Surry, City of Hampton, City of Newport News, City of Norfolk, City of Portsmouth | 56 min |
| Jul 21, 3:42 PM EDT | Areal Flood Advisory | AKQ | City of Chesapeake, City of Norfolk, City of Portsmouth, City of Suffolk, City of Virginia Beach | 3 hr |
| Jul 21, 4:04 PM EDT | Special Weather Statement | AKQ | Southampton | 56 min |
| Jul 21, 4:24 PM EDT | Special Weather Statement | AKQ | City of Suffolk | 51 min |
| Jul 21, 4:26 PM EDT | Special Marine Warning | AKQ | 64 min | |
| Jul 21, 4:38 PM EDT | Areal Flood Advisory | AKQ | City of Chesapeake, City of Suffolk | 112 min |
| Jul 21, 5:01 PM EDT | Special Weather Statement | AKQ | City of Franklin | 59 min |
| Jul 21, 5:21 PM EDT | Special Weather Statement | AKQ | James City, Prince George, Surry, York, City of Newport News, City of Poquoson and 1 more | 54 min |
| Jul 21, 5:27 PM EDT | Special Marine Warning | AKQ | 32 min | |
| Jul 21, 5:32 PM EDT | Areal Flood Advisory | AKQ | City of Chesapeake, City of Virginia Beach | 118 min |
| Jul 21, 7:14 PM EDT | Areal Flood Advisory | AKQ | Greensville, Southampton | 106 min |
| Jul 20, 8:06 PM EDT | Areal Flood Warning | AKQ | Northampton | 45 min |
| Jul 21, 1:51 PM EDT | Special Weather Statement | AKQ | Bertie | 54 min |
| Jul 21, 2:49 PM EDT | Special Weather Statement | AKQ | Chowan | 56 min |
| Jul 21, 3:47 PM EDT | Special Weather Statement | AKQ | Currituck | 58 min |
| Jul 21, 4:48 PM EDT | Special Weather Statement | AKQ | Currituck | 27 min |
| Jul 21, 5:15 PM EDT | Special Weather Statement | AKQ | Currituck | 45 min |
| Jul 21, 5:39 PM EDT | Special Weather Statement | AKQ | Bertie | 66 min |
| Jul 21, 5:46 PM EDT | Special Weather Statement | AKQ | Gates, Hertford | 59 min |
| Jul 21, 6:13 PM EDT | Areal Flood Advisory | AKQ | Camden, Chowan, Gates, Hertford, Pasquotank, Perquimans | 107 min |
| Jul 21, 6:18 PM EDT | Special Weather Statement | AKQ | Camden, Currituck, Pasquotank | 57 min |
| Jul 21, 6:22 PM EDT | Special Weather Statement | AKQ | Northampton | 53 min |
| Jul 21, 7:12 PM EDT | Areal Flood Advisory | AKQ | Camden, Currituck, Pasquotank, Perquimans | 88 min |
Nearby
Flash Flood Watches in Virginia, 2012Flash Flood Watches in North Carolina, 2012Every flash flood watch in 2012
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.