Alert archive / Virginia / Special Weather Statements in 2021

Special Weather Statement, NWS Wakefield, VA

December 11, 20215 counties in Virginia

NWS Wakefield, VA issued this special weather statement at Dec 11, 2021, 5:32 PM EST for 5 counties in Virginia. It was in force for 43 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Dec 11, 2021, 5:32 PM EST (22:32 UTC)
Expired: Dec 11, 2021, 6:15 PM EST
In force: 43 min
Issued by: NWS Wakefield, VA
Hail: 0.00 in
Wind: 45

Counties Essex County, VA, King and Queen County, VA, King William County, VA, Richmond County, VA, Westmoreland County, VA

The radar

The Norfolk radar (KAKQ), 116 km from the middle of the area, began a volume at 22:32 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, 10.5 hours before the alert went out and 265 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: 856 m above ground
0-6 km bulk shear: 66 kt
0-1 km storm-relative helicity: 267 m²/s²
0-3 km storm-relative helicity: 286 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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The office that day

Everything else NWS Wakefield, VA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Dec 11, 12:40 AM EST	Marine Dense Fog Advisory	AKQ		5 hr
Dec 11, 4:48 PM EST	Special Weather Statement	AKQ	Caroline, Essex, Hanover, King William, Westmoreland	42 min
Dec 11, 6:25 PM EST	Special Weather Statement	AKQ	Lancaster, Northumberland	50 min
Dec 11, 6:28 PM EST	Special Weather Statement	AKQ	Brunswick, Dinwiddie, Mecklenburg	47 min
Dec 11, 5:37 PM EST	Special Weather Statement	AKQ	Dorchester	38 min

Nearby

Special Weather Statements in Virginia, 2021 Every special weather statement in 2021

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.