Alert archive / Virginia / Winter Storm Warnings in 2014

Winter Storm Warning 3, NWS Wakefield, VA

February 11, 201424 counties in Virginia; Northampton County, North Carolina; Dorchester County, Maryland

NWS Wakefield, VA issued this winter storm warning at Feb 11, 2014, 3:52 PM EST for 24 counties in Virginia; Northampton County, North Carolina; Dorchester County, Maryland. It took effect at Feb 12, 2014, 1:00 PM EST. It was in force for 37 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: Feb 11, 2014, 3:52 PM EST (20:52 UTC)
In effect from: Feb 12, 2014, 1:00 PM EST
Expired: Feb 14, 2014, 2:00 AM EST
In force: 37 hr
Issued by: NWS Wakefield, VA

All 26 counties

Dorchester County, MD, Northampton County, NC, Amelia County, VA, Brunswick County, VA, Caroline County, VA, Charles City County, VA, City of Emporia, VA, City of Hopewell, VA, City of Petersburg, VA, Cumberland County, VA, Dinwiddie County, VA, Fluvanna County, VA, Goochland County, VA, Greensville County, VA, Lancaster County, VA, Lunenburg County, VA, Mecklenburg County, VA, New Kent County, VA, Northumberland County, VA, Nottoway County, VA, Powhatan County, VA, Prince Edward County, VA, Prince George County, VA, Richmond County, VA, Sussex County, VA, Westmoreland County, VA

The radar

The Norfolk radar (KAKQ), 59 km from the middle of the area, began a volume at 20:50 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, 8.9 hours before the alert went out and 179 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: 1353 m above ground
0-6 km bulk shear: 87 kt
0-1 km storm-relative helicity: -24 m²/s²
0-3 km storm-relative helicity: 137 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 Feb 11, 3:47 PM EST, 5 minutes earlier.

Area forecast discussion, Feb 11, 3:47 PM EST, 5 minutes before

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Hazardous weather outlook, Feb 11, 6:50 AM EST, 9 hours 2 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
Feb 11, 3:58 AM EST	Small Craft Advisory	AKQ		3 days
Feb 11, 3:52 PM EST	Winter Weather Advisory	AKQ	Gloucester, Greensville, James City, Mathews, Middlesex, Southampton and 5 more	37 hr
Feb 11, 5:00 PM EST	Gale Warning	AKQ		58 hr

Nearby

Winter Storm Warnings in Virginia, 2014 Winter Storm Warnings in North Carolina, 2014 Winter Storm Warnings in Maryland, 2014 Every winter storm warning in 2014

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.