Alert archive / Virginia / Coastal Flood Statements in 2017

Coastal Flood Statement 17, NWS Wakefield, VA

May 23, 2017Surry County, Virginia; Dorchester County, Maryland

NWS Wakefield, VA issued this coastal flood statement at May 23, 2017, 5:24 PM EDT for Surry County, Virginia; Dorchester County, Maryland. It took effect at May 23, 2017, 9:00 PM EDT. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued: May 23, 2017, 5:24 PM EDT (21:24 UTC)
In effect from: May 23, 2017, 9:00 PM EDT
Expired: May 24, 2017, 2:00 AM EDT
In force: 5 hr
Issued by: NWS Wakefield, VA

Counties Dorchester County, MD, Surry County, VA

The radar

The Norfolk radar (KAKQ), 99 km from the middle of the area, began a volume at 21:27 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, 9.4 hours before the alert went out and 97 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 784 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: -50 m²/s²
0-3 km storm-relative helicity: -9 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 May 23, 4:10 PM EDT, 1 hour 14 minutes earlier.

Area forecast discussion, May 23, 4:10 PM EDT, 1 hour 14 minutes before

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Hazardous weather outlook, May 23, 4:06 PM EDT, 1 hour 18 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
May 23, 3:23 AM EDT	Small Craft Advisory	AKQ		4 days
May 23, 6:56 AM EDT	Special Weather Statement	AKQ	Amelia, Charles City, Chesterfield, Dinwiddie, Nottoway, Prince George and 4 more	49 min
May 23, 7:16 PM EDT	Special Weather Statement	AKQ	Northampton, York, City of Hampton, City of Newport News, City of Norfolk, City of Poquoson and 1 more	44 min
May 23, 7:22 PM EDT	Special Weather Statement	AKQ	Southampton, City of Franklin	38 min
May 23, 6:29 PM EDT	Special Weather Statement	AKQ	Camden, Chowan, Pasquotank, Perquimans	46 min

Nearby

Coastal Flood Statements in Virginia, 2017 Coastal Flood Statements in Maryland, 2017 Every 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.