Alert archive / Virginia / Special Weather Statements in 2012

Special Weather Statement, NWS Wakefield, VA

July 19, 2012Accomack County, Virginia

NWS Wakefield, VA issued this special weather statement at Jul 19, 2012, 11:15 PM EDT for Accomack County, Virginia. It was in force for 60 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 19, 2012, 11:15 PM EDT (03:15 UTC)
Expired
Jul 20, 2012, 12:15 AM EDT
In force
60 min
Issued by
NWS Wakefield, VA

County Accomack County, VA

The radar

The Dover AFB radar (KDOX), 106 km from the middle of the area, began a volume at 03:14 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

Wallops Is Stn, VA (KWAL), launched 00:00Z, 3.3 hours before the alert went out and 25 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, Wallops Is Stn, VA at 00:00Z on 2012-07-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1571 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, Wallops Is Stn, VA at 00:00Z on 2012-07-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 square meters per square second.1939Sfc1 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
1571 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
1208 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
59 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Jul 19, 10:39 PM EDT, 36 minutes earlier.

Area forecast discussion, Jul 19, 10:39 PM EDT, 36 minutes before
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Hazardous weather outlook, Jul 19, 4:19 PM EDT, 6 hours 56 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE WAKEFIELD VA
419 PM EDT THU JUL 19 2012

NCZ012-013-030-102-VAZ060-065>071-079>083-087-202030-
NORTHAMPTON NC-HERTFORD-BERTIE-OUTER BANKS CURRITUCK-PRINCE EDWARD-
MECKLENBURG-LUNENBURG-NOTTOWAY-AMELIA-POWHATAN-CHESTERFIELD-HENRICO-
BRUNSWICK-DINWIDDIE-PRINCE GEORGE-CHARLES CITY-NEW KENT-GREENSVILLE-
419 PM EDT THU JUL 19 2012

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 AND
THE PIEDMONT OF CENTRAL VIRGINIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

SCATTERED SHOWERS AND THUNDERSTORMS HAVE DEVELOPED THIS AFTERNOON
AND WILL CONTINUE THROUGH THE EVENING. LOCALLY HEAVY RAINFALL WILL
BE POSSIBLE IN ANY STORM...WITH A FEW STORMS CAPABLE OF PRODUCING
STRONG WINDS. IN ADDITION...HEAT INDICES BETWEEN 100 AND 104
DEGREES ARE EXPECTED INTO EARLY EVENING.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

A SLOW MOVING COLD FRONT WILL BRING NUMEROUS SHOWERS AND
THUNDERSTORMS TO THE REGION ON FRIDAY AND SATURDAY. SOME STORMS
MAY BECOME SEVERE FRIDAY AFTERNOON AND EVENING...AND WILL BE
CAPABLE OF PRODUCING STRONG WINDS. LOCALLY HEAVY RAINFALL WILL BE
POSSIBLE ON BOTH FRIDAY AND SATURDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED ON FRIDAY.

NCZ014>017-031-032-VAZ088>098-202030-
GATES-PASQUOTANK-CAMDEN-INLAND CURRITUCK-CHOWAN-PERQUIMANS-SUSSEX-
SURRY-JAMES CITY-YORK-SOUTHAMPTON-ISLE OF WIGHT-NEWPORT NEWS/HAMPTON-
NORFOLK/PORTSMOUTH-SUFFOLK-CHESAPEAKE-VIRGINIA BEACH-
419 PM EDT THU JUL 19 2012

...HEAT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR COASTAL NORTHEAST NORTH
CAROLINA...INTERIOR NORTHEAST NORTH CAROLINA...INTERIOR SOUTHEAST
VIRGINIA...SOUTH HAMPTON ROADS VIRGINIA AND THE PENINSULA OF
SOUTHEAST VIRGINIA.

.DAY ONE...THIS AFTERNOON 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...SCATTERED SHOWERS AND THUNDERSTORMS HAVE DEVELOPED
THIS AFTERNOON AND WILL CONTINUE THROUGH THE EVENING. LOCALLY
HEAVY RAINFALL WILL BE POSSIBLE IN ANY STORM...WITH A FEW STORMS
CAPABLE OF PRODUCING STRONG WINDS.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

A SLOW MOVING COLD FRONT WILL BRING NUMEROUS SHOWERS AND
THUNDERSTORMS TO THE REGION ON FRIDAY AND SATURDAY. SOME STORMS
MAY BECOME SEVERE FRIDAY AFTERNOON AND EVENING...AND WILL BE
CAPABLE OF PRODUCING STRONG WINDS. LOCALLY HEAVY RAINFALL WILL BE
POSSIBLE ON BOTH FRIDAY AND SATURDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED ON FRIDAY.

ANZ630>638-650-652-654-656-658-202030-
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 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-
419 PM EDT THU JUL 19 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...THIS AFTERNOON AND TONIGHT.

SCATTERED SHOWERS AND THUNDERSTORMS HAVE DEVELOPED THIS AFTERNOON
AND WILL CONTINUE THROUGH THE EVENING. LOCALLY HEAVY RAINFALL WILL
BE POSSIBLE IN ANY STORM...WITH A FEW STORMS CAPABLE OF PRODUCING
STRONG WINDS.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

A SLOW MOVING COLD FRONT WILL BRING NUMEROUS SHOWERS AND
THUNDERSTORMS TO THE REGION ON FRIDAY AND SATURDAY. SOME STORMS
MAY BECOME SEVERE FRIDAY AFTERNOON AND EVENING...AND WILL BE
CAPABLE OF PRODUCING STRONG WINDS. LOCALLY HEAVY RAINFALL WILL BE
POSSIBLE ON BOTH FRIDAY AND SATURDAY. SMALL CRAFT CONDITIONS WILL
ALSO BE POSSIBLE LATE FRIDAY THROUGH SATURDAY FOR NORTHERN WATERS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED ON FRIDAY.

MDZ021>025-VAZ048-049-061>064-072>078-084>086-099-100-202030-
DORCHESTER-WICOMICO-SOMERSET-INLAND WORCESTER-MARYLAND BEACHES-
FLUVANNA-LOUISA-CUMBERLAND-GOOCHLAND-HANOVER-CAROLINE-KING WILLIAM-
KING AND QUEEN-ESSEX-WESTMORELAND-RICHMOND-NORTHUMBERLAND-LANCASTER-
GLOUCESTER-MIDDLESEX-MATHEWS-ACCOMACK-NORTHAMPTON VA-
419 PM EDT THU JUL 19 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE LOWER EASTERN SHORE OF
MARYLAND...CENTRAL VIRGINIA...EAST CENTRAL VIRGINIA...THE EASTERN
SHORE OF VIRGINIA...THE MIDDLE PENINSULA OF VIRGINIA...THE NORTHERN
NECK OF VIRGINIA AND THE PIEDMONT OF CENTRAL VIRGINIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

SCATTERED SHOWERS AND THUNDERSTORMS HAVE DEVELOPED THIS AFTERNOON
AND WILL CONTINUE THROUGH THE EVENING. LOCALLY HEAVY RAINFALL WILL
BE POSSIBLE IN ANY STORM...WITH A FEW STORMS CAPABLE OF PRODUCING
STRONG WINDS. IN ADDITION...HEAT INDICES BETWEEN 100 AND 104
DEGREES ARE EXPECTED INTO EARLY EVENING.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

A SLOW MOVING COLD FRONT WILL BRING NUMEROUS SHOWERS AND
THUNDERSTORMS TO THE REGION ON FRIDAY AND SATURDAY. SOME STORMS
MAY BECOME SEVERE FRIDAY AFTERNOON AND EVENING...AND WILL BE
CAPABLE OF PRODUCING STRONG WINDS. LOCALLY HEAVY RAINFALL WILL BE
POSSIBLE ON BOTH FRIDAY AND SATURDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED ON FRIDAY.

BMD

In the hours before

Special weather statement, Jul 19, 5:31 PM EDT, 5 hours 44 minutes before
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Special weather statement, Jul 19, 5:45 PM EDT, 5 hours 30 minutes before
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Local storm report, Jul 19, 5:47 PM EDT, 5 hours 28 minutes before
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Special weather statement, Jul 19, 5:50 PM EDT, 5 hours 25 minutes before
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Local storm report, Jul 19, 5:57 PM EDT, 5 hours 18 minutes before
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Special weather statement, Jul 19, 11:15 PM EDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 20, 4:34 AM EDTSmall Craft AdvisoryAKQ44 hr
Jul 20, 2:24 PM EDTSpecial Weather StatementAKQDinwiddie66 min
Jul 20, 3:22 PM EDTSpecial Weather StatementAKQSussex38 min
Jul 20, 4:03 PM EDTSpecial Weather StatementAKQSussex42 min
Jul 20, 4:36 PM EDTSpecial Weather StatementAKQCity of Franklin54 min
Jul 20, 5:09 PM EDTSpecial Weather StatementAKQCity of Virginia Beach51 min
Jul 20, 5:25 PM EDTAreal Flood AdvisoryAKQCity of Chesapeake, City of Virginia Beach2 hr
Jul 20, 5:30 PM EDTSpecial Weather StatementAKQCity of Chesapeake, City of Suffolk60 min
Jul 20, 5:51 PM EDTSpecial Weather StatementAKQLunenburg, Mecklenburg54 min
Jul 20, 6:11 PM EDTSpecial Weather StatementAKQCity of Chesapeake, City of Virginia Beach64 min
Jul 20, 6:39 PM EDTSpecial Weather StatementAKQBrunswick, Greensville, City of Emporia66 min
Jul 20, 7:34 PM EDTSpecial Weather StatementAKQGreensville, Sussex, City of Emporia56 min
Jul 20, 7:46 PM EDTSpecial Weather StatementAKQDinwiddie, Prince George, City of Colonial Heights, City of Hopewell, City of Petersburg59 min
Jul 20, 2:34 PM EDTSpecial Weather StatementAKQWashington26 min
Jul 20, 5:18 PM EDTSpecial Weather StatementAKQHertford42 min
Jul 20, 5:54 PM EDTSpecial Weather StatementAKQGates, Hertford66 min
Jul 20, 6:17 PM EDTSpecial Weather StatementAKQGates43 min
Jul 20, 7:17 PM EDTSpecial Weather StatementAKQCurrituck43 min
Jul 20, 7:57 PM EDTSpecial Weather StatementAKQHertford, Northampton63 min
Jul 19, 11:54 PM EDTSpecial Weather StatementAKQDorchester51 min

Nearby

Special Weather Statements in Virginia, 2012Every special weather statement 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.