Alert archive / Virginia / Coastal Flood Statements in 2018

Coastal Flood Statement 3, NWS Wakefield, VA

March 6, 20188 counties in Virginia; Worcester County, Maryland

NWS Wakefield, VA issued this coastal flood statement at Mar 6, 2018, 8:13 AM EST for 8 counties in Virginia; Worcester County, Maryland. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Mar 6, 2018, 8:13 AM EST (13:13 UTC)
Expired
Mar 6, 2018, 1:13 PM EST
In force
5 hr
Issued by
NWS Wakefield, VA

Counties Worcester County, MD, Accomack County, VA, City of Hampton, VA, City of Poquoson, VA, Gloucester County, VA, Mathews County, VA, Middlesex County, VA, Northampton County, VA, York County, VA

The radar

The Norfolk radar (KAKQ), 91 km from the middle of the area, began a volume at 13:16 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, 1.2 hours before the alert went out and 86 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 2018-03-06Temperature 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 2018-03-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 39 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1262 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
39 m²/s²
0-3 km storm-relative helicity
88 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 6, 8:13 AM ESTCoastal Flood AdvisoryAKQAccomack, Gloucester, James City, Lancaster, Mathews, Middlesex and 9 more33 hr
Mar 6, 1:13 PM ESTCoastal Flood AdvisoryAKQSurry, City of Chesapeake, City of Virginia Beach17 hr
Mar 6, 3:02 PM ESTSmall Craft AdvisoryAKQ40 hr
Mar 6, 2:42 PM ESTCoastal Flood WarningAKQDorchester, Somerset, Wicomico5 hr

Nearby

Coastal Flood Statements in Virginia, 2018Coastal Flood Statements in Maryland, 2018Every coastal flood statement in 2018

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.