Alert archive / Virginia / Special Weather Statements in 2012

Special Weather Statement, NWS Wakefield, VA

March 20, 2012Powhatan County, Virginia

NWS Wakefield, VA issued this special weather statement at Mar 20, 2012, 10:31 PM EDT for Powhatan County, Virginia. It was in force for 44 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: Mar 20, 2012, 10:31 PM EDT (02:31 UTC)
Expired: Mar 20, 2012, 11:15 PM EDT
In force: 44 min
Issued by: NWS Wakefield, VA

County Powhatan County, VA

The radar

The Norfolk radar (KAKQ), 98 km from the middle of the area, began a volume at 02:31 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, 2.5 hours before the alert went out and 152 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: 322 J/kg
Mixed-layer CIN: -20 J/kg
Mixed-layer LCL: 863 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 70 m²/s²
0-3 km storm-relative helicity: 97 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

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 Mar 20, 10:24 PM EDT, 7 minutes earlier.

Area forecast discussion, Mar 20, 10:24 PM EDT, 7 minutes before

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Hazardous weather outlook, Mar 20, 4:06 PM EDT, 6 hours 25 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE WAKEFIELD VA
406 PM EDT TUE MAR 20 2012

NCZ012>017-030>032-VAZ048-049-060>074-079>083-087>090-092-093-096-
097-212015-
NORTHAMPTON NC-HERTFORD-GATES-PASQUOTANK-CAMDEN-INLAND CURRITUCK-
BERTIE-CHOWAN-PERQUIMANS-FLUVANNA-LOUISA-PRINCE EDWARD-CUMBERLAND-
GOOCHLAND-HANOVER-CAROLINE-MECKLENBURG-LUNENBURG-NOTTOWAY-AMELIA-
POWHATAN-CHESTERFIELD-HENRICO-KING WILLIAM-KING AND QUEEN-ESSEX-
BRUNSWICK-DINWIDDIE-PRINCE GEORGE-CHARLES CITY-NEW KENT-GREENSVILLE-
SUSSEX-SURRY-JAMES CITY-SOUTHAMPTON-ISLE OF WIGHT-SUFFOLK-CHESAPEAKE-
406 PM EDT TUE MAR 20 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 MIDDLE PENINSULA OF VIRGINIA...THE PENINSULA OF
SOUTHEAST VIRGINIA AND THE PIEDMONT OF CENTRAL VIRGINIA.

.DAY ONE...TONIGHT.

WIDELY SCATTERED THUNDERSTORMS THROUGH THIS EVENING WILL BE CAPABLE
OF HEAVY DOWNPOURS...FREQUENT LIGHTNING...AND PEA SIZE HAIL.

AREAS OF FOG...SOME LOCALLY DENSE...ARE EXPECTED TO DEVELOP AFTER
MIDNIGHT TONIGHT AND PERSIST THROUGH WEDNESDAY MORNING.
VISIBILITIES WITHIN LOCALLY DENSE FOG AREAS COULD BECOME REDUCED
TO 1 MILE OR LESS AT TIMES.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

AREAS OF FOG...SOME LOCALLY DENSE...SHOULD PERSIST WEDNESDAY
MORNING FOR A FEW HOURS AFTER DAYBREAK AND DISSIPATE BY
MID-MORNING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

ANZ630>634-650-652-654-656-658-212015-
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-
406 PM EDT TUE MAR 20 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE CENTRAL CHESAPEAKE
BAY...THE LOWER 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...WEDNESDAY THROUGH MONDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

MDZ021>025-NCZ102-VAZ075>078-084>086-091-094-095-098>100-212015-
DORCHESTER-WICOMICO-SOMERSET-INLAND WORCESTER-MARYLAND BEACHES-
OUTER BANKS CURRITUCK-WESTMORELAND-RICHMOND-NORTHUMBERLAND-LANCASTER-
GLOUCESTER-MIDDLESEX-MATHEWS-YORK-NEWPORT NEWS/HAMPTON-
NORFOLK/PORTSMOUTH-VIRGINIA BEACH-ACCOMACK-NORTHAMPTON VA-
406 PM EDT TUE MAR 20 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE LOWER EASTERN SHORE OF
MARYLAND...THE NORTHERN OUTER BANKS OF NORTH CAROLINA...SOUTH
HAMPTON ROADS VIRGINIA...THE EASTERN SHORE OF VIRGINIA...THE MIDDLE
PENINSULA OF VIRGINIA...THE NORTHERN NECK OF VIRGINIA AND THE
PENINSULA OF SOUTHEAST VIRGINIA.

.DAY ONE...TONIGHT.

AREAS OF FOG...SOME LOCALLY DENSE...ARE EXPECTED TO DEVELOP AFTER
MIDNIGHT TONIGHT AND PERSIST THROUGH WEDNESDAY MORNING.
VISIBILITIES WITHIN LOCALLY DENSE FOG AREAS COULD BECOME REDUCED
TO 1 MILE OR LESS AT TIMES.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

AREAS OF FOG...SOME LOCALLY DENSE...SHOULD PERSIST WEDNESDAY
MORNING FOR A FEW HOURS AFTER DAYBREAK AND DISSIPATE BY
MID-MORNING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

BMD

In the hours before

Special weather statement, Mar 20, 7:10 PM EDT, 3 hours 21 minutes before

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Special weather statement, Mar 20, 7:54 PM EDT, 2 hours 37 minutes before

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Special weather statement, Mar 20, 9:25 PM EDT, 1 hour 6 minutes before

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Special weather statement, Mar 20, 9:25 PM EDT, 1 hour 6 minutes before

SPECIAL WEATHER STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE WAKEFIELD VA
925 PM EDT TUE MAR 20 2012

VAZ060-067>069-210200-
AMELIA VA-NOTTOWAY VA-POWHATAN VA-PRINCE EDWARD VA-
925 PM EDT TUE MAR 20 2012

...STRONG THUNDERSTORM MOVING FROM AMELIA COUNTY INTO NOTTOWAY COUNTY...

AT 924 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM FROM MORVEN TO JETERSVILLE MOVING SOUTHWEST AT
10 MPH. THE STRONG THUNDERSTORMS WILL BE NEAR JETERSVILLE AROUND
1000 PM EDT...

EXPECT LOCALLY HEAVY RAIN...SMALL HAIL AND FREQUENT CLOUD TO GROUND
LIGHTNING IN THE PATH OF THESE STORMS. 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.

LAT...LON 3724 7804 3729 7824 3744 7818 3746 7804

05

Special weather statement, Mar 20, 10:02 PM EDT, 29 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WAKEFIELD VA
1002 PM EDT TUE MAR 20 2012

VAZ069-210300-
POWHATAN VA-
1002 PM EDT TUE MAR 20 2012

...STRONG THUNDERSTORM MOVING INTO POWHATAN COUNTY...

AT 1001 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
DEVELOPING STRONG THUNDERSTORM OVER TRENHOLM...MOVING EAST AT 10 MPH.
THE STRONG THUNDERSTORMS WILL BE NEAR TRENHOLM AT 1015 PM
EDT...BELONA AT 1045 PM EDT...POWHATAN LAKES AT 1100 PM EDT.

EXPECT SMALL HAIL, HEAVY RAINFALL AND FREQUENT CLOUD TO GROUND
LIGHTNING IN THE PATH OF THESE STORMS. 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.

LAT...LON 3763 7792 3749 7792 3752 7811 3759 7809

05

Special weather statement, Mar 20, 10:31 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WAKEFIELD VA
1031 PM EDT TUE MAR 20 2012

VAZ062-069-210315-
GOOCHLAND VA-POWHATAN VA-
1031 PM EDT TUE MAR 20 2012

...STRONG THUNDERSTORM OVER GOOCHLAND COUNTY...

AT 1030 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
A STRONG THUNDERSTORM OVER CROZIER...MOVING SOUTHEAST AT 10 MPH. THE
STRONG THUNDERSTORMS WILL BE NEAR CROZIER...AND...FINE CREEK MILLS AT
1040 PM EDT...SABOT...AND...CHESTNUT OAKS AT 1100 PM EDT...SUBLETTS
AT 1105 PM EDT...MANAKIN AT 1115 PM EDT.

EXPECT SMALL HAIL...FREQUENT CLOUD TO GROUND LIGHTNING...AND VERY
HEAVY RAINFALL IN THE PATH OF THESE STORMS. 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.

LAT...LON 3766 7766 3753 7770 3748 7792 3762 7793
      3774 7784

LBROWN

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 20, 9:25 PM EDT	Special Weather Statement	AKQ	Amelia	65 min
Mar 20, 10:02 PM EDT	Special Weather Statement	AKQ	Powhatan	58 min
Mar 20, 10:59 PM EDT	Special Weather Statement	AKQ	Chesterfield	46 min
Mar 20, 11:31 PM EDT	Special Weather Statement	AKQ	Chesterfield, City of Richmond	44 min
Mar 21, 12:06 AM EDT	Special Weather Statement	AKQ	Henrico, City of Colonial Heights, City of Hopewell, City of Petersburg	39 min
Mar 21, 5:36 AM EDT	Dense Fog Advisory	AKQ	Accomack, Amelia, Brunswick, Caroline, Charles City, Cumberland and 14 more	4 hr
Mar 21, 3:01 PM EDT	Special Weather Statement	AKQ	Greensville	59 min
Mar 21, 3:20 PM EDT	Special Weather Statement	AKQ	Southampton	40 min
Mar 21, 3:30 PM EDT	Special Weather Statement	AKQ	York	30 min
Mar 21, 3:32 PM EDT	Special Weather Statement	AKQ	City of Virginia Beach	28 min
Mar 21, 3:52 PM EDT	Special Weather Statement	AKQ	Sussex	23 min
Mar 21, 4:04 PM EDT	Special Weather Statement	AKQ	City of Williamsburg	56 min
Mar 21, 4:20 PM EDT	Special Weather Statement	AKQ	Sussex	55 min
Mar 21, 4:22 PM EDT	Special Weather Statement	AKQ	Sussex	53 min
Mar 21, 4:30 PM EDT	Special Weather Statement	AKQ	Prince George	30 min
Mar 21, 4:32 PM EDT	Special Weather Statement	AKQ	James City	13 min
Mar 21, 4:34 PM EDT	Special Weather Statement	AKQ	City of Virginia Beach	26 min
Mar 21, 4:45 PM EDT	Special Weather Statement	AKQ	City of Norfolk	60 min
Mar 21, 5:10 PM EDT	Special Weather Statement	AKQ	City of Petersburg	35 min
Mar 21, 5:13 PM EDT	Special Weather Statement	AKQ	City of Emporia	62 min
Mar 21, 5:37 PM EDT	Special Weather Statement	AKQ	Greensville, City of Emporia	38 min
Mar 21, 5:58 PM EDT	Special Weather Statement	AKQ	Dinwiddie	62 min
Mar 21, 6:01 PM EDT	Special Weather Statement	AKQ	City of Chesapeake, City of Portsmouth, City of Virginia Beach	59 min
Mar 21, 6:07 PM EDT	Special Weather Statement	AKQ	Chesterfield, City of Colonial Heights, City of Petersburg	23 min
Mar 21, 6:20 PM EDT	Special Weather Statement	AKQ	Dinwiddie	55 min
Mar 21, 6:30 PM EDT	Special Weather Statement	AKQ	Chesterfield	30 min
Mar 21, 7:02 PM EDT	Special Weather Statement	AKQ	Henrico, City of Richmond	28 min
Mar 21, 7:14 PM EDT	Special Weather Statement	AKQ	King William	61 min
Mar 21, 7:55 PM EDT	Special Weather Statement	AKQ	Hanover	65 min
Mar 21, 4:33 PM EDT	Special Weather Statement	AKQ	Wicomico	27 min
Mar 21, 5:00 PM EDT	Special Weather Statement	AKQ	Wicomico	45 min

Nearby

Special Weather Statements in Virginia, 2012 Every 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.