Alert archive / Virginia / Winter Storm Warnings in 2013

Winter Storm Warning 3, NWS Wakefield, VA

December 7, 20135 counties in Virginia

NWS Wakefield, VA issued this winter storm warning at Dec 7, 2013, 3:17 PM EST for 5 counties in Virginia. It took effect at Dec 8, 2013, 7:00 AM EST. It was in force for 24 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
Dec 7, 2013, 3:17 PM EST (20:17 UTC)
In effect from
Dec 8, 2013, 7:00 AM EST
Expired
Dec 9, 2013, 6:55 AM EST
In force
24 hr
Issued by
NWS Wakefield, VA

Counties Cumberland County, VA, Fluvanna County, VA, Goochland County, VA, Powhatan County, VA, Prince Edward County, VA

The radar

The Norfolk radar (KAKQ), 121 km from the middle of the area, began a volume at 20:20 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 12:00Z, 8.3 hours before the alert went out and 167 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-pSkew-T log-p diagram, Washington/Dulle, VA at 12:00Z on 2013-12-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Washington/Dulle, VA at 12:00Z on 2013-12-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -216 square meters per square second.1939587897117136Sfc1 km3 km6 km9 kmRMLM
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
651 m above ground
0-6 km bulk shear
95 kt
0-1 km storm-relative helicity
-216 m²/s²
0-3 km storm-relative helicity
47 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 Dec 7, 1:11 PM EST, 2 hours 6 minutes earlier.

Area forecast discussion, Dec 7, 1:11 PM EST, 2 hours 6 minutes before
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Hazardous weather outlook, Dec 7, 7:18 AM EST, 7 hours 59 minutes before
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<body>
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    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

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

IssuedProductOfficeCountiesLasted
Dec 7, 3:17 PM ESTWinter Weather AdvisoryAKQAmelia, Brunswick, Caroline, Charles City, Dinwiddie, Lunenburg and 8 more40 hr

Nearby

Winter Storm Warnings in Virginia, 2013Every winter storm warning in 2013

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.