Alert archive / West Virginia / Wind Chill Advisories in 2019

Wind Chill Advisory 5, NWS Charleston, WV

January 31, 2019Pocahontas County, Randolph County, West Virginia

NWS Charleston, WV issued this wind chill advisory at Jan 31, 2019, 12:50 PM EST for Pocahontas County, Randolph County, West Virginia. It took effect at Jan 31, 2019, 1:00 PM EST. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued: Jan 31, 2019, 12:50 PM EST (17:50 UTC)
In effect from: Jan 31, 2019, 1:00 PM EST
Expired: Jan 31, 2019, 10:00 PM EST
In force: 9 hr
Issued by: NWS Charleston, WV

Counties Pocahontas County, WV, Randolph County, WV

The radar

The Charleston,WV radar (KRLX), 157 km from the middle of the area, began a volume at 17:56 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, 5.8 hours before the alert went out and 155 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: 785 m above ground
0-6 km bulk shear: 99 kt
0-1 km storm-relative helicity: 229 m²/s²
0-3 km storm-relative helicity: 285 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 31, 10:36 AM EST, 2 hours 14 minutes earlier.

Area forecast discussion, Jan 31, 10:36 AM EST, 2 hours 14 minutes before

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Hazardous weather outlook, Jan 31, 10:18 AM EST, 2 hours 32 minutes before

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In the hours before

Local storm report, Jan 31, 11:11 AM EST, 1 hour 39 minutes before

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The office that day

Everything else NWS Charleston, WV issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 31, 9:58 AM EST	Wind Chill Warning	RLX	Pocahontas, Randolph	3 hr
Jan 31, 9:58 AM EST	Wind Chill Advisory	RLX	Barbour, Braxton, Calhoun, Doddridge, Fayette, Gilmer and 14 more	3 hr
Jan 31, 2:53 PM EST	Winter Weather Advisory	RLX	Barbour, Boone, Braxton, Cabell, Calhoun, Clay and 28 more	31 hr

Nearby

Wind Chill Advisories in West Virginia, 2019 Every wind chill advisory in 2019

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.