Alert archive / Virginia / Winter Storm Warnings in 2018

Winter Storm Warning 1, NWS Wakefield, VA

January 2, 201836 counties in Virginia; 4 counties in Maryland; 9 counties in North Carolina

NWS Wakefield, VA issued this winter storm warning at Jan 2, 2018, 9:44 PM EST for 36 counties in Virginia; 4 counties in Maryland; 9 counties in North Carolina. It took effect at Jan 3, 2018, 1:00 PM EST. It was in force for 29 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jan 2, 2018, 9:44 PM EST (02:44 UTC)
In effect from: Jan 3, 2018, 1:00 PM EST
Expired: Jan 4, 2018, 6:00 PM EST
In force: 29 hr
Issued by: NWS Wakefield, VA

All 49 counties

Dorchester County, MD, Somerset County, MD, Wicomico County, MD, Worcester County, MD, Bertie County, NC, Camden County, NC, Chowan County, NC, Currituck County, NC, Gates County, NC, Hertford County, NC, Northampton County, NC, Pasquotank County, NC, Perquimans County, NC, Accomack County, VA, Charles City County, VA, City of Chesapeake, VA, City of Colonial Heights, VA, City of Emporia, VA, City of Franklin, VA, City of Hampton, VA, City of Hopewell, VA, City of Newport News, VA, City of Petersburg, VA, City of Poquoson, VA, City of Richmond, VA, City of Virginia Beach, VA, City of Williamsburg, VA, Dinwiddie County, VA, Essex County, VA, Gloucester County, VA, Greensville County, VA, Hanover County, VA, Henrico County, VA, James City County, VA, King and Queen County, VA, King William County, VA, Lancaster County, VA, Mathews County, VA, Middlesex County, VA, New Kent County, VA, Northampton County, VA, Northumberland County, VA, Prince George County, VA, Richmond County, VA, Southampton County, VA, Surry County, VA, Sussex County, VA, Westmoreland County, VA, York County, VA

The radar

The Norfolk radar (KAKQ), 36 km from the middle of the area, began a volume at 02:48 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

Washington/Dulle, VA (KIAD), launched 00:00Z, 2.7 hours before the alert went out and 203 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: 2001 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 134 m²/s²
0-3 km storm-relative helicity: 172 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 winter storm warning 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 winter storm warning went out at Jan 2, 7:23 PM EST, 2 hours 21 minutes earlier.

Area forecast discussion, Jan 2, 7:23 PM EST, 2 hours 21 minutes before

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Hazardous weather outlook, Jan 2, 3:57 PM EST, 5 hours 47 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
Jan 2, 9:52 PM EST	Gale Warning	AKQ		3 days
Jan 3, 2:27 AM EST	Small Craft Advisory	AKQ		4 days
Jan 3, 2:27 AM EST	Storm Warning	AKQ		34 hr
Jan 3, 3:23 AM EST	Winter Weather Advisory	AKQ	Amelia, Brunswick, Caroline, Charles City, Chesterfield, Dinwiddie and 17 more	32 hr
Jan 3, 9:00 AM EST	Blizzard Warning	AKQ	Accomack, Mathews, Northampton, City of Chesapeake, City of Hampton, City of Virginia Beach	33 hr
Jan 3, 6:47 PM EST	High Surf Advisory	AKQ	Accomack, Northampton, City of Virginia Beach	18 hr

Nearby

Winter Storm Warnings in Virginia, 2018 Winter Storm Warnings in North Carolina, 2018 Winter Storm Warnings in Maryland, 2018 Every winter storm warning 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.