Alert archive / Virginia / Coastal Flood Statements in 2017

Coastal Flood Statement 10, NWS Wakefield, VA

April 24, 201716 counties in Virginia; Worcester County, Maryland

NWS Wakefield, VA issued this coastal flood statement at Apr 24, 2017, 5:05 PM EDT for 16 counties in Virginia; Worcester County, Maryland. It took effect at Apr 24, 2017, 6:00 PM EDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Apr 24, 2017, 5:05 PM EDT (21:05 UTC)
In effect from
Apr 24, 2017, 6:00 PM EDT
Expired
Apr 25, 2017, 3:00 AM EDT
In force
9 hr
Issued by
NWS Wakefield, VA

Counties Worcester County, MD, Accomack County, VA, City of Chesapeake, VA, City of Hampton, VA, City of Newport News, VA, City of Poquoson, VA, City of Williamsburg, VA, Gloucester County, VA, James City County, VA, Lancaster County, VA, Mathews County, VA, Middlesex County, VA, Northampton County, VA, Northumberland County, VA, Surry County, VA, Westmoreland County, VA, York County, VA

The radar

The Norfolk radar (KAKQ), 74 km from the middle of the area, began a volume at 21:05 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 12:00Z, 9.1 hours before the alert went out and 103 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 12:00Z on 2017-04-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2017-04-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 240 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1541 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
240 m²/s²
0-3 km storm-relative helicity
435 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 Apr 24, 3:58 PM EDT, 1 hour 7 minutes earlier.

Area forecast discussion, Apr 24, 3:58 PM EDT, 1 hour 7 minutes before
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Hazardous weather outlook, Apr 24, 3:30 PM EDT, 1 hour 35 minutes before
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In the hours before

Local storm report, Apr 24, 1:32 PM EDT, 3 hours 33 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WAKEFIELD VA
132 PM EDT MON APR 24 2017

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0420 PM     TSTM WND DMG     1 ENE COMO              36.50N 77.00W
04/22/2017                   HERTFORD           NC   EMERGENCY MNGR

            SHEET METAL TORN OFF PORTION OF BUCKHORN
            CHURCH.

&&

WRS
Local storm report, Apr 24, 1:37 PM EDT, 3 hours 28 minutes before
PRELIMINARY LOCAL STORM REPORT...UPDATED
NATIONAL WEATHER SERVICE WAKEFIELD VA
137 PM EDT MON APR 24 2017

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0720 PM     TSTM WND DMG     1 NE OAK GROVE          38.19N 76.98W
04/21/2017                   WESTMORELAND       VA   PUBLIC

            SEVERAL LARGE TREES AND POWER LINES DOWNED
            ALONG VA-205 (RIDGE ROAD). PARTIAL ROAD
            CLOSURES REPORTED.

&&
Local storm report, Apr 24, 1:38 PM EDT, 3 hours 27 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED TIME
NATIONAL WEATHER SERVICE WAKEFIELD VA
138 PM EDT MON APR 24 2017

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0723 PM     TSTM WND DMG     2 SSE COLONIAL BEACH    38.23N 76.96W
04/21/2017                   WESTMORELAND       VA   PUBLIC

            SIGNIFICANT BOAT/BUILDING DAMAGE REPORTED AT THE
            COLONIAL BEACH YACHT CENTER.

&&

DEROSA
Local storm report, Apr 24, 4:04 PM EDT, 1 hour 1 minute before
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Local storm report, Apr 24, 4:07 PM EDT, 58 minutes before
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Local storm report, Apr 24, 4:13 PM EDT, 52 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Apr 24, 4:44 AM EDTGale WarningAKQ32 hr
Apr 24, 4:56 AM EDTCoastal Flood StatementAKQSurry, City of Chesapeake8 hr
Apr 24, 4:56 AM EDTHigh Surf AdvisoryAKQAccomack, Northampton, City of Virginia Beach38 hr
Apr 24, 8:16 AM EDTSmall Craft AdvisoryAKQ7 hr
Apr 24, 3:17 PM EDTWind AdvisoryAKQAccomack, Northampton, City of Virginia Beach21 hr

Nearby

Coastal Flood Statements in Virginia, 2017Coastal Flood Statements in Maryland, 2017Every coastal flood statement in 2017

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.