Alert archive / Virginia / Coastal Flood Statements in 2017

Coastal Flood Statement 18, NWS Wakefield, VA

May 24, 201710 counties in Virginia

NWS Wakefield, VA issued this coastal flood statement at May 24, 2017, 5:41 PM EDT for 10 counties in Virginia. It took effect at May 24, 2017, 7:00 PM EDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued: May 24, 2017, 5:41 PM EDT (21:41 UTC)
In effect from: May 24, 2017, 7:00 PM EDT
Expired: May 25, 2017, 3:07 AM EDT
In force: 8 hr
Issued by: NWS Wakefield, VA

Counties City of Hampton, VA, City of Newport News, VA, City of Poquoson, VA, Gloucester County, VA, Lancaster County, VA, Mathews County, VA, Middlesex County, VA, Northumberland County, VA, Westmoreland County, VA, York County, VA

The radar

The Norfolk radar (KAKQ), 71 km from the middle of the area, began a volume at 21:44 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

Roanoke, VA (KRNK), launched 12:00Z, 9.7 hours before the alert went out and 269 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: 560 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 137 m²/s²
0-3 km storm-relative helicity: 219 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 24, 4:03 PM EDT, 1 hour 38 minutes earlier.

Area forecast discussion, May 24, 4:03 PM EDT, 1 hour 38 minutes before

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Hazardous weather outlook, May 24, 3:15 PM EDT, 2 hours 26 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, 8:03 PM EDT	Special Weather Statement	AKQ	Mathews, Northampton, York, City of Hampton, City of Newport News, City of Poquoson	42 min
May 23, 8:08 PM EDT	Special Weather Statement	AKQ	Isle of Wight, Southampton, City of Franklin, City of Suffolk	52 min
May 23, 9:52 PM EDT	Special Weather Statement	AKQ	City of Chesapeake, City of Norfolk, City of Portsmouth, City of Suffolk, City of Virginia Beach	53 min
May 24, 5:32 AM EDT	Coastal Flood Advisory	AKQ	Accomack, James City, Northampton, Surry, City of Chesapeake, City of Virginia Beach and 1 more	34 hr
May 24, 10:03 AM EDT	Small Craft Advisory	AKQ		51 hr
May 24, 7:53 PM EDT	Severe Thunderstorm Warning	AKQ	Greensville	37 min
May 24, 7:33 PM EDT	Tornado Warning	AKQ	Bertie	42 min
May 24, 7:43 PM EDT	Special Weather Statement	AKQ	Bertie	32 min

Nearby

Coastal Flood Statements in Virginia, 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.