Alert archive / Maryland / Coastal Flood Statements in 2023

Coastal Flood Statement 13, NWS Wakefield, VA

April 30, 2023Dorchester County, Wicomico County, Maryland

NWS Wakefield, VA issued this coastal flood statement at Apr 30, 2023, 9:08 AM EDT for Dorchester County, Wicomico County, Maryland. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued: Apr 30, 2023, 9:08 AM EDT (13:08 UTC)
Expired: Apr 30, 2023, 2:00 PM EDT
In force: 5 hr
Issued by: NWS Wakefield, VA

Counties Dorchester County, MD, Wicomico County, MD

The radar

The Dover AFB radar (KDOX), 60 km from the middle of the area, began a volume at 13:10 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, 1.1 hours before the alert went out and 65 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: 256 J/kg
Mixed-layer CIN: -35 J/kg
Mixed-layer LCL: 531 m above ground
0-6 km bulk shear: 64 kt
0-1 km storm-relative helicity: 156 m²/s²
0-3 km storm-relative helicity: 237 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.9

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 30, 4:36 AM EDT, 4 hours 32 minutes earlier.

Area forecast discussion, Apr 30, 4:36 AM EDT, 4 hours 32 minutes before

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Hazardous weather outlook, Apr 30, 4:48 AM EDT, 4 hours 20 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
Apr 30, 9:08 AM EDT	Coastal Flood Advisory	AKQ	Northumberland, Westmoreland	5 hr
Apr 30, 1:49 PM EDT	Special Marine Warning	AKQ		56 min
Apr 30, 3:00 PM EDT	Coastal Flood Advisory	AKQ	Accomack, Lancaster, Northampton, Northumberland, Westmoreland	10 hr
Apr 30, 3:51 PM EDT	Small Craft Advisory	AKQ		4 days
Apr 30, 4:36 PM EDT	Special Weather Statement	AKQ	City of Chesapeake, City of Hampton, City of Norfolk, City of Portsmouth, City of Suffolk, City of Virginia Beach	84 min
Apr 30, 4:39 PM EDT	Special Marine Warning	AKQ		66 min
Apr 30, 4:45 PM EDT	Severe Thunderstorm Warning	AKQ	City of Chesapeake, City of Portsmouth, City of Suffolk	45 min
Apr 30, 5:18 PM EDT	Severe Thunderstorm Warning	AKQ	City of Chesapeake, City of Virginia Beach	42 min
Apr 30, 5:19 PM EDT	Special Weather Statement	AKQ	City of Hampton, City of Newport News, City of Norfolk, City of Poquoson, City of Portsmouth	56 min
Apr 30, 5:23 PM EDT	Areal Flood Advisory	AKQ	City of Hampton, City of Newport News	3 hr
Apr 30, 5:24 PM EDT	Severe Thunderstorm Warning	AKQ	City of Chesapeake, City of Norfolk, City of Portsmouth, City of Virginia Beach	36 min
Apr 30, 5:27 PM EDT	Special Marine Warning	AKQ		63 min
Apr 30, 5:38 PM EDT	Areal Flood Advisory	AKQ	City of Chesapeake, City of Norfolk, City of Portsmouth	3 hr
Apr 30, 5:44 PM EDT	Special Marine Warning	AKQ		61 min
Apr 30, 5:47 PM EDT	Tornado Warning	AKQ	City of Virginia Beach	28 min
Apr 30, 3:32 PM EDT	Special Weather Statement	AKQ	Northampton	43 min
Apr 30, 4:07 PM EDT	Severe Thunderstorm Warning	AKQ	Bertie, Chowan, Gates, Hertford, Northampton, Perquimans	38 min
Apr 30, 7:32 PM EDT	Areal Flood Warning	AKQ	Camden, Pasquotank	31 min

Nearby

Coastal Flood Statements in Maryland, 2023 Every coastal flood statement in 2023

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.