Alert archive / Virginia / Wind Advisories in 2023

Wind Advisory 5, NWS Wakefield, VA

August 30, 2023Northampton County, City of Hampton, City of Virginia Beach, Virginia

NWS Wakefield, VA issued this wind advisory at Aug 30, 2023, 2:37 PM EDT for Northampton County, City of Hampton, City of Virginia Beach, Virginia. It took effect at Aug 31, 2023, 7:00 AM EDT. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued: Aug 30, 2023, 2:37 PM EDT (18:37 UTC)
In effect from: Aug 31, 2023, 7:00 AM EDT
Expired: Aug 31, 2023, 6:27 PM EDT
In force: 11 hr
Issued by: NWS Wakefield, VA

Counties City of Hampton, VA, City of Virginia Beach, VA, Northampton County, VA

The radar

The Norfolk radar (KAKQ), 82 km from the middle of the area, began a volume at 18:38 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

Newport, NC (KMHX), launched 12:00Z, 6.6 hours before the alert went out and 261 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: 633 J/kg
Mixed-layer CIN: -27 J/kg
Mixed-layer LCL: 889 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 25 m²/s²
0-3 km storm-relative helicity: 51 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this wind advisory 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 wind advisory went out at Aug 30, 2:10 PM EDT, 27 minutes earlier.

Area forecast discussion, Aug 30, 2:10 PM EDT, 27 minutes before

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Hazardous weather outlook, Aug 30, 6:18 AM EDT, 8 hours 19 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
Aug 30, 5:36 AM EDT	Small Craft Advisory	AKQ		4 days
Aug 30, 5:48 AM EDT	High Surf Advisory	AKQ	Accomack, Northampton, City of Virginia Beach	61 hr
Aug 30, 11:13 AM EDT	Coastal Flood Watch	AKQ	Northampton, Surry, City of Chesapeake, City of Hampton, City of Newport News, City of Virginia Beach	19 hr
Aug 30, 2:27 PM EDT	Gale Warning	AKQ		34 hr
Aug 30, 3:50 PM EDT	Coastal Flood Advisory	AKQ	Northampton	14 hr
Aug 30, 4:43 PM EDT	Areal Flood Advisory	AKQ	City of Chesapeake, City of Suffolk, City of Virginia Beach	3 hr
Aug 30, 5:15 AM EDT	Tropical Storm Warning	AKQ	Currituck	36 hr
Aug 30, 5:33 PM EDT	Areal Flood Advisory	AKQ	Camden, Gates, Pasquotank	3 hr

Nearby

Wind Advisories in Virginia, 2023 Every wind advisory 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.