Alert archive / West Virginia / Wind Advisories in 2014

Wind Advisory 10, NWS Baltimore/Washington

November 24, 2014Highland County, Virginia; Grant County, Pendleton County, West Virginia

NWS Baltimore/Washington issued this wind advisory at Nov 24, 2014, 9:32 AM EST for Highland County, Virginia; Grant County, Pendleton County, West Virginia. It took effect at Nov 24, 2014, 12:00 PM EST. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Nov 24, 2014, 9:32 AM EST (14:32 UTC)
In effect from
Nov 24, 2014, 12:00 PM EST
Expired
Nov 24, 2014, 7:01 PM EST
In force
7 hr
Issued by
NWS Baltimore/Washington

Counties Highland County, VA, Grant County, WV, Pendleton County, WV

The radar

The Sterling radar (KLWX), 166 km from the middle of the area, began a volume at 14:32 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, 2.5 hours before the alert went out and 169 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, Roanoke, VA at 12:00Z on 2014-11-24Temperature 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, Roanoke, VA at 12:00Z on 2014-11-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 208 square meters per square second.1939587897Sfc1 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
688 m above ground
0-6 km bulk shear
80 kt
0-1 km storm-relative helicity
208 m²/s²
0-3 km storm-relative helicity
437 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

Everything else NWS Baltimore/Washington issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 24, 3:06 PM ESTWinter Storm WatchLWXClarke, Fauquier, Frederick, Greene, Highland, Madison and 11 more20 hr
Nov 24, 6:42 PM ESTSmall Craft AdvisoryLWX53 hr

Nearby

Wind Advisories in West Virginia, 2014Wind Advisories in Virginia, 2014Every wind advisory 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.