Alert archive / Virginia / Coastal Flood Statements in 2014

Coastal Flood Statement 9, NWS Wakefield, VA

October 4, 20144 counties in Virginia; Worcester County, Maryland

NWS Wakefield, VA issued this coastal flood statement at Oct 4, 2014, 10:15 AM EDT for 4 counties in Virginia; Worcester County, Maryland. It took effect at Oct 4, 2014, 3:00 PM EDT. It was in force for 113 min.

The area

The counties it named.

The facts

Issued
Oct 4, 2014, 10:15 AM EDT (14:15 UTC)
In effect from
Oct 4, 2014, 3:00 PM EDT
Expired
Oct 4, 2014, 4:53 PM EDT
In force
113 min
Issued by
NWS Wakefield, VA

Counties Worcester County, MD, Accomack County, VA, City of Chesapeake, VA, City of Virginia Beach, VA, Northampton County, VA

The radar

The Norfolk radar (KAKQ), 109 km from the middle of the area, began a volume at 14:14 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

Washington/Dulle, VA (KIAD), launched 12:00Z, 2.3 hours before the alert went out and 224 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, Washington/Dulle, VA at 12:00Z on 2014-10-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 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, Washington/Dulle, VA at 12:00Z on 2014-10-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -135 square meters per square second.1939587897Sfc1 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
1 J/kg
Mixed-layer CIN
-169 J/kg
Mixed-layer LCL
920 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
-135 m²/s²
0-3 km storm-relative helicity
66 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 3, 11:38 PM EDTCoastal Flood AdvisoryAKQLancaster, Mathews, Middlesex, Northumberland, Westmoreland9 hr
Oct 4, 7:24 AM EDTCoastal Flood WarningAKQNorthumberland, Westmoreland8 hr
Oct 4, 1:13 PM EDTCoastal Flood AdvisoryAKQAccomack, Lancaster, Mathews, Middlesex, Northampton, Northumberland and 3 more13 hr
Oct 4, 4:53 PM EDTCoastal Flood StatementAKQGloucester3 hr

Nearby

Coastal Flood Statements in Virginia, 2014Coastal Flood Statements in Maryland, 2014Every 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; radar from the NEXRAD Level II archive.