Alert archive / West Virginia / Wind Chill Warnings in 2014

Wind Chill Warning 5, NWS Baltimore/Washington

January 28, 2014Highland County, Virginia; Allegany County, Maryland; Grant County, Mineral County, Pendleton County, West Virginia

NWS Baltimore/Washington issued this wind chill warning at Jan 28, 2014, 12:39 PM EST for Highland County, Virginia; Allegany County, Maryland; Grant County, Mineral County, Pendleton County, West Virginia. It took effect at Jan 28, 2014, 7:00 PM EST. It was in force for 17 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: Jan 28, 2014, 12:39 PM EST (17:39 UTC)
In effect from: Jan 28, 2014, 7:00 PM EST
Expired: Jan 29, 2014, 11:57 AM EST
In force: 17 hr
Issued by: NWS Baltimore/Washington

Counties Allegany County, MD, Highland County, VA, Grant County, WV, Mineral County, WV, Pendleton County, WV

The radar

The Sterling radar (KLWX), 144 km from the middle of the area, began a volume at 17:41 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, 5.7 hours before the alert went out and 173 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: 770 m above ground
0-6 km bulk shear: 123 kt
0-1 km storm-relative helicity: -92 m²/s²
0-3 km storm-relative helicity: -90 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 warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Baltimore/Washington wrote its last area forecast discussion before this wind chill warning went out at Jan 27, 6:27 PM EST, 18 hours 12 minutes earlier.

Area forecast discussion, Jan 27, 6:27 PM EST, 18 hours 12 minutes before

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Hazardous weather outlook, Jan 27, 6:04 PM EST, 18 hours 35 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 28, 10:02 AM EST	Winter Weather Advisory	LWX	King George, Spotsylvania, Stafford, City of Fredericksburg	20 hr
Jan 28, 12:39 PM EST	Wind Chill Advisory	LWX	Clarke, Frederick, Page, Rockingham, Shenandoah, Warren and 4 more	23 hr

Nearby

Wind Chill Warnings in West Virginia, 2014 Wind Chill Warnings in Virginia, 2014 Wind Chill Warnings in Maryland, 2014 Every wind chill 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.