Alert archive / Virginia / Special Weather Statements in 2011

Special Weather Statement, NWS Wakefield, VA

September 27, 20116 counties in Virginia

NWS Wakefield, VA issued this special weather statement at Sep 27, 2011, 6:21 PM EDT for 6 counties in Virginia. It was in force for 54 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: Sep 27, 2011, 6:21 PM EDT (22:21 UTC)
Expired: Sep 27, 2011, 7:15 PM EDT
In force: 54 min
Issued by: NWS Wakefield, VA

Counties Charles City County, VA, James City County, VA, King and Queen County, VA, Middlesex County, VA, New Kent County, VA, Richmond County, VA

The radar

The Norfolk radar (KAKQ), 79 km from the middle of the area, began a volume at 22:22 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 12:00Z, 10.4 hours before the alert went out and 159 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: 1081 J/kg
Mixed-layer CIN: -22 J/kg
Mixed-layer LCL: 564 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 108 m²/s²
0-3 km storm-relative helicity: 154 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 2.9

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 Sep 27, 3:40 PM EDT, 2 hours 41 minutes earlier.

Area forecast discussion, Sep 27, 3:40 PM EDT, 2 hours 41 minutes before

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Hazardous weather outlook, Sep 27, 3:36 PM EDT, 2 hours 45 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE WAKEFIELD VA
336 PM EDT TUE SEP 27 2011

NCZ012>017-030>032-102-VAZ048-049-060>098-281945-
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-
336 PM EDT TUE SEP 27 2011

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...SOUTH HAMPTON ROADS VIRGINIA...THE MIDDLE PENINSULA OF
VIRGINIA...THE NORTHERN NECK OF VIRGINIA...THE PENINSULA OF
SOUTHEAST VIRGINIA AND THE PIEDMONT OF CENTRAL VIRGINIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

SCATTERED SHOWERS AND THUNDERSTORMS WILL CONTINUE INTO THIS EVENING.
LOCALLY HEAVY RAIN AND ISOLATED DAMAGING WIND GUSTS WILL BE POSSIBLE
WITH THE STRONGEST STORMS.

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

SCATTERED SHOWERS AND THUNDERSTORMS ARE POSSIBLE AGAIN ON WEDNESDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

ANZ630>634-650-652-654-656-658-281945-
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-
336 PM EDT TUE SEP 27 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...THIS AFTERNOON AND 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-VAZ099-100-281945-
DORCHESTER-WICOMICO-SOMERSET-INLAND WORCESTER-MARYLAND BEACHES-
ACCOMACK-NORTHAMPTON VA-
336 PM EDT TUE SEP 27 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE LOWER EASTERN SHORE OF
MARYLAND AND THE EASTERN SHORE OF VIRGINIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

SCATTERED THUNDERSTORMS ARE POSSIBLE INTO THE EVENING. LOCALLY
HEAVY DOWNPOURS AND ISOLATED DAMAGING WIND GUSTS WILL BE POSSIBLE
IN ANY STORM.

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

SCATTERED SHOWERS AND THUNDERSTORMS ARE POSSIBLE WEDNESDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

44

In the hours before

Special weather statement, Sep 27, 4:18 PM EDT, 2 hours 3 minutes before

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Special weather statement, Sep 27, 4:28 PM EDT, 1 hour 53 minutes before

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Special weather statement, Sep 27, 4:31 PM EDT, 1 hour 50 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WAKEFIELD VA
431 PM EDT TUE SEP 27 2011

VAZ063-064-071>074-272130-
CAROLINE VA-ESSEX VA-HANOVER VA-HENRICO VA-KING AND QUEEN VA-KING
WILLIAM VA-
431 PM EDT TUE SEP 27 2011

...STRONG THUNDERSTORM MOVING ACROSS CENTRAL VIRGINIA...

AT 430 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM FROM SPARTA TO EAST HIGHLAND PARK...OR FROM 7
MILES SOUTHEAST OF MILFORD TO DOWNTOWN RICHMOND...MOVING NORTHEAST AT
20 MPH. THE STRONG THUNDERSTORMS WILL BE NEAR   MECHANICSVILLE AROUND
440 PM EDT...
  GETHER AROUND 445 PM EDT...
  STUDLEY AROUND 450 PM EDT...
  SUPPLY AROUND 455 PM EDT...
  SALVIA AROUND 500 PM EDT...
  NEWTOWN AROUND 505 PM EDT...

WIND GUSTS TO 40 MPH AND OCCASIONAL CLOUD TO GROUND LIGHTNING ARE
EXPECTED 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.

HEAVY RAINFALL WILL CAUSE PONDING OF WATER ON ROADWAYS...AND
POSSIBLE LOCALIZED FLOODING IN LOW LYING AND FLOOD PRONE AREAS.

LAT...LON 3811 7705 3810 7704 3809 7703 3811 7700
      3809 7698 3808 7695 3773 7706 3750 7751
      3804 7731 3813 7705

ZIMMERMAN

Special weather statement, Sep 27, 5:23 PM EDT, 58 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WAKEFIELD VA
523 PM EDT TUE SEP 27 2011

VAZ064-072>076-081>083-085-272215-
CAROLINE VA-CHARLES CITY VA-ESSEX VA-KING AND QUEEN VA-KING WILLIAM
VA-MIDDLESEX VA-NEW KENT VA-PRINCE GEORGE VA-RICHMOND VA-WESTMORELAND
VA-
523 PM EDT TUE SEP 27 2011

...STRONG THUNDERSTORMS MOVING OVER EAST CENTRAL VIRGINIA...

AT 522 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF STRONG THUNDERSTORMS FROM LORETTO TO PETERSBURG NATIONAL
BATTLEFIELD PARK...OR FROM CHAMPLAIN TO FORT LEE...MOVING NORTHEAST
AT 25 MPH. THE STRONG THUNDERSTORMS WILL BE NEAR   LORETTO AROUND
530 PM EDT...  CHANCE AROUND 535 PM EDT...
  LEEDSTOWN AROUND 540 PM EDT...
  GARYSVILLE AROUND 545 PM EDT...
  TAPPAHANNOCK AROUND 550 PM EDT...
  UPRIGHT AROUND 555 PM EDT...

WIND GUSTS TO 40 MPH AND FREQUENT CLOUD TO GROUND LIGHTNING
ARE EXPECTED 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.

HEAVY RAINFALL WILL CAUSE PONDING OF WATER ON ROADWAYS...AND
POSSIBLE LOCALIZED FLOODING IN LOW LYING AND FLOOD PRONE AREAS.

LAT...LON 3817 7672 3772 7667 3745 7682 3743 7690
      3735 7692 3737 7688 3734 7687 3729 7690
      3717 7740 3720 7743 3731 7733 3732 7727
      3739 7725 3739 7722 3746 7720 3755 7712
      3766 7711 3766 7712 3806 7719 3817 7684

ZIMMERMAN

Special weather statement, Sep 27, 5:38 PM EDT, 43 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WAKEFIELD VA
538 PM EDT TUE SEP 27 2011

VAZ070-071-081>083-272200-
CHARLES CITY VA-CHESTERFIELD VA-HENRICO VA-NEW KENT VA-PRINCE GEORGE
VA-
538 PM EDT TUE SEP 27 2011

...STRONG THUNDERSTORM MOVING FROM THE TRI CITIES TO CHARLES CITY
COUNTY...

AT 537 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER ADKINS STORE...OR ABOUT 6 MILES SOUTH OF
ROXBURY...MOVING NORTHEAST AT 20 MPH. THE STRONG THUNDERSTORMS WILL
BE NEAR ADKINS STORE...AND...ROXBURY AT 545 PM EDT...MOUNTCASTLE...
AND...ROACHES CORNER AT 550 PM EDT...PROVIDENCE FORGE...AND...
SANDYBOTTOM AT 555 PM EDT.

WIND GUSTS TO 40 MPH...HAIL TO PENNY SIZE AND FREQUENT CLOUD TO
GROUND LIGHTNING ARE EXPECTED 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.

HEAVY RAINFALL WILL CAUSE PONDING OF WATER ON ROADWAYS...AND
POSSIBLE LOCALIZED FLOODING IN LOW LYING AND FLOOD PRONE AREAS.

LAT...LON 3756 7701 3738 7692 3727 7734 3732 7740

ZIMMERMAN

Special weather statement, Sep 27, 6:21 PM EDT, 0 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
Sep 27, 1:34 PM EDT	Special Weather Statement	AKQ	Henrico, City of Colonial Heights, City of Hopewell, City of Richmond	26 min
Sep 27, 1:54 PM EDT	Areal Flood Advisory	AKQ	Charles City, Chesterfield, Hanover, Henrico, King William, New Kent and 2 more	66 min
Sep 27, 2:33 PM EDT	Special Weather Statement	AKQ	King and Queen, King William	42 min
Sep 27, 3:19 PM EDT	Special Weather Statement	AKQ	Charles City, Essex, King and Queen, King William, New Kent, Richmond and 1 more	51 min
Sep 27, 3:25 PM EDT	Special Weather Statement	AKQ	Hanover	65 min
Sep 27, 4:18 PM EDT	Special Weather Statement	AKQ	Richmond	57 min
Sep 27, 4:28 PM EDT	Special Weather Statement	AKQ	Charles City, Henrico, King William, New Kent, City of Colonial Heights, City of Hopewell and 1 more	62 min
Sep 27, 4:31 PM EDT	Special Weather Statement	AKQ	City of Richmond	59 min
Sep 27, 5:06 PM EDT	Areal Flood Advisory	AKQ	Charles City, Chesterfield, Henrico, Prince George, City of Petersburg	2 hr
Sep 27, 5:23 PM EDT	Special Weather Statement	AKQ	Charles City, Essex, King and Queen, King William, New Kent, Richmond and 3 more	52 min
Sep 27, 5:38 PM EDT	Special Weather Statement	AKQ	Charles City, New Kent, City of Hopewell	22 min
Sep 27, 5:48 PM EDT	Areal Flood Advisory	AKQ	Essex, King and Queen, King William, New Kent	3 hr
Sep 27, 7:17 PM EDT	Special Weather Statement	AKQ	Gloucester, James City, Lancaster, Mathews, Middlesex, Northumberland and 2 more	58 min
Sep 27, 7:47 PM EDT	Special Weather Statement	AKQ	Chesterfield, Dinwiddie, Henrico, City of Colonial Heights, City of Hopewell, City of Petersburg and 1 more	43 min

Nearby

Special Weather Statements in Virginia, 2011 Every special weather statement 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.