Alert archive / West Virginia / Wind Chill Advisories in 2014

Wind Chill Advisory 1, NWS Charleston, WV

January 7, 20149 counties in West Virginia; Morgan County, Perry County, Washington County, Ohio

NWS Charleston, WV issued this wind chill advisory at Jan 7, 2014, 6:34 PM EST for 9 counties in West Virginia; Morgan County, Perry County, Washington County, Ohio. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Jan 7, 2014, 6:34 PM EST (23:34 UTC)
Expired
Jan 8, 2014, 12:00 AM EST
In force
5 hr
Issued by
NWS Charleston, WV

Counties Morgan County, OH, Perry County, OH, Washington County, OH, Barbour County, WV, Doddridge County, WV, Harrison County, WV, Lewis County, WV, Pleasants County, WV, Ritchie County, WV, Taylor County, WV, Tyler County, WV, Upshur County, WV

The radar

The Charleston,WV radar (KRLX), 133 km from the middle of the area, began a volume at 23:31 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

Pittsburgh, PA (KAGC), launched 12:00Z, 11.6 hours before the alert went out and 139 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, Pittsburgh, PA at 12:00Z on 2014-01-07Temperature 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, Pittsburgh, PA at 12:00Z on 2014-01-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 347 square meters per square second.1939587897117Sfc1 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
745 m above ground
0-6 km bulk shear
74 kt
0-1 km storm-relative helicity
347 m²/s²
0-3 km storm-relative helicity
396 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 wind chill advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Charleston, WV wrote its last area forecast discussion before this wind chill advisory went out at Jan 6, 6:48 PM EST, 23 hours 46 minutes earlier.

Area forecast discussion, Jan 6, 6:48 PM EST, 23 hours 46 minutes before
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Nearby

Wind Chill Advisories in West Virginia, 2014Wind Chill Advisories in Ohio, 2014Every wind chill 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.