Alert archive / Virginia / Coastal Flood Statements in 2014

Coastal Flood Statement 5, NWS Wakefield, VA

August 12, 2014Accomack County, Lancaster County, Northumberland County, Virginia; Worcester County, Maryland

NWS Wakefield, VA issued this coastal flood statement at Aug 12, 2014, 12:30 PM EDT for Accomack County, Lancaster County, Northumberland County, Virginia; Worcester County, Maryland. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued: Aug 12, 2014, 12:30 PM EDT (16:30 UTC)
Expired: Aug 13, 2014, 12:00 AM EDT
In force: 12 hr
Issued by: NWS Wakefield, VA

Counties Worcester County, MD, Accomack County, VA, Lancaster County, VA, Northumberland County, VA

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 12:00Z, 4.5 hours before the alert went out and 52 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: 135 J/kg
Mixed-layer CIN: -11 J/kg
Mixed-layer LCL: 882 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 61 m²/s²
0-3 km storm-relative helicity: 97 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this coastal flood 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 coastal flood statement went out at Aug 12, 11:27 AM EDT, 1 hour 3 minutes earlier.

Area forecast discussion, Aug 12, 11:27 AM EDT, 1 hour 3 minutes before

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Hazardous weather outlook, Aug 12, 10:02 AM EDT, 2 hours 28 minutes before

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In the hours before

Special weather statement, Aug 12, 10:54 AM EDT, 1 hour 36 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WAKEFIELD VA
1054 AM EDT TUE AUG 12 2014

VAZ062-063-068-069-071-072-121545-
AMELIA-GOOCHLAND-HANOVER-HENRICO-KING WILLIAM-POWHATAN-
1054 AM EDT TUE AUG 12 2014

...HEAVY RAIN WILL MOVE ACROSS...AMELIA...GOOCHLAND...
HENRICO...HANOVER... AND POWHATAN NOON...

AT 1051 AM EDT...DOPPLER RADAR INDICATED A LARGE AREA OF HEAVY RAIN
MOVING NORTHEAST OUT OF POWHATAN.

THE HEAVY RAIN WILL MOVE ACROSS SHORT PUMP...ASHLAND...
SABOT...MANAKIN...CENTERVILLE...GLEN ALLEN...LONGDALE...AND ELMONT.

HAZARDS INCLUDE...
HEAVY RAINFALL AND MINOR FLOODING.

THESE SHOWERS WILL PRODUCE HEAVY RAINFALL...WHICH WILL CAUSE MINOR
FLOODING OF LOW LYING AREAS INCLUDING DITCHES...CREEKS...ROADWAYS
AND AREAS OF POOR DRAINAGE. AVOID THESE AREAS AND DO NOT CROSS
FLOODED ROADS. MOTORISTS SHOULD ALSO REDUCE DRIVING SPEEDS TO AVOID
HYDROPLANING.

LAT...LON 3764 7805 3775 7783 3773 7780 3778 7778
      3791 7753 3784 7743 3781 7742 3780 7740
      3778 7740 3779 7736 3767 7723 3754 7760
      3755 7760 3756 7765 3747 7777 3744 7787

JO

Special weather statement, Aug 12, 11:57 AM EDT, 33 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WAKEFIELD VA
1157 AM EDT TUE AUG 12 2014

VAZ062>064-069-071-072-121700-
CAROLINE-GOOCHLAND-HANOVER-HENRICO-KING WILLIAM-POWHATAN-
1157 AM EDT TUE AUG 12 2014

...THUNDERSTORMS WITH HEAVY RAIN  WILL MOVE GOOCHLAND...
HENRICO...HANOVER...KING WILLIAM AND CAROLINE COUNTIES THROUGH 100
PM EDT...

AT 1155 AM EDT...DOPPLER RADAR INDICATED STRONG THUNDERSTORMS OVER
SHORT PUMP...OR ABOUT OVER TUCKAHOE...MOVING NORTHEAST AT 20 MPH.

THE STRONG THUNDERSTORMS WILL BE NEAR
LAUREL AT 1200 PM EDT...
GLEN ALLEN AT 1210 PM EDT...
ELMONT AT 1215 PM EDT...
ASHLAND AT 1220 PM EDT...
HANOVER AND KING DOMINION AT 1230 PM EDT.

HAZARDS INCLUDE...
GUSTY WINDS OF 30 MPH.
CLOUD TO GROUND LIGHTNING.
HEAVY RAINFALL AND MINOR FLOODING.

THIS STORM WILL PRODUCE HEAVY RAINFALL...WHICH WILL CAUSE MINOR
FLOODING OF LOW LYING AREAS INCLUDING DITCHES...CREEKS...ROADWAYS AND
AREAS OF POOR DRAINAGE. AVOID THESE AREAS AND DO NOT CROSS FLOODED
ROADS. MOTORISTS SHOULD ALSO REDUCE DRIVING SPEEDS TO AVOID
HYDROPLANING.

LAT...LON 3802 7732 3787 7716 3787 7717 3784 7712
      3783 7713 3780 7711 3753 7758 3754 7760
      3755 7760 3756 7765 3756 7767 3765 7776

JO

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 12, 9:37 AM EDT	Beach Hazards Statement	AKQ	City of Virginia Beach	10 hr
Aug 12, 10:54 AM EDT	Special Weather Statement	AKQ	Hanover, Powhatan	51 min
Aug 12, 11:18 AM EDT	Areal Flood Advisory	AKQ	Goochland, Hanover, Henrico, Powhatan	102 min
Aug 12, 11:57 AM EDT	Special Weather Statement	AKQ	Hanover	63 min
Aug 12, 12:27 PM EDT	Areal Flood Advisory	AKQ	Caroline, Hanover, Henrico, King William	3 hr
Aug 12, 12:30 PM EDT	Coastal Flood Advisory	AKQ	Lancaster, Northumberland	28 hr
Aug 12, 12:55 PM EDT	Special Weather Statement	AKQ	King William	65 min
Aug 12, 1:53 PM EDT	Special Weather Statement	AKQ	Essex, King and Queen, Lancaster, Northumberland, Richmond	52 min
Aug 12, 2:17 PM EDT	Severe Thunderstorm Warning	AKQ	Essex, King and Queen, Middlesex	58 min
Aug 12, 2:30 PM EDT	Tornado Warning	AKQ	Essex, King and Queen, Middlesex	21 min
Aug 12, 3:08 PM EDT	Special Weather Statement	AKQ	Lancaster, Middlesex, Northumberland	67 min
Aug 12, 3:30 PM EDT	Areal Flood Advisory	AKQ	Essex, King and Queen, King William, Middlesex	3 hr
Aug 12, 4:12 PM EDT	Special Weather Statement	AKQ	Lancaster, Middlesex, New Kent	63 min
Aug 12, 4:54 PM EDT	Areal Flood Advisory	AKQ	Gloucester, King and Queen, Lancaster, Middlesex, New Kent	3 hr
Aug 12, 5:41 PM EDT	Special Weather Statement	AKQ	Gloucester, James City, Mathews, City of Williamsburg	79 min
Aug 12, 5:46 PM EDT	Special Weather Statement	AKQ	Caroline	44 min
Aug 12, 6:17 PM EDT	Beach Hazards Statement	AKQ	Accomack, Northampton	11 hr
Aug 12, 6:55 PM EDT	Special Weather Statement	AKQ	Mecklenburg	65 min
Aug 12, 6:58 PM EDT	Special Weather Statement	AKQ	Mathews	32 min
Aug 12, 7:22 PM EDT	Special Marine Warning	AKQ		38 min
Aug 12, 7:33 PM EDT	Severe Thunderstorm Warning	AKQ	Northampton	42 min
Aug 12, 7:58 PM EDT	Special Marine Warning	AKQ		62 min
Aug 12, 7:59 PM EDT	Flash Flood Warning	AKQ	Northampton	2 hr
Aug 12, 12:57 AM EDT	Coastal Flood Advisory	AKQ	Dorchester, Somerset, Wicomico	4 hr
Aug 12, 2:24 PM EDT	Special Weather Statement	AKQ	Dorchester, Somerset, Wicomico	66 min
Aug 12, 3:40 PM EDT	Special Weather Statement	AKQ	Worcester	50 min

Nearby

Coastal Flood Statements in Virginia, 2014 Coastal Flood Statements in Maryland, 2014 Every coastal flood statement in 2014

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.