Alert archive / West Virginia / Winter Storm Warnings in 2024

Winter Storm Warning 3, NWS Blacksburg, VA

January 18, 2024Tazewell County, Virginia; Greenbrier County, Mercer County, Summers County, West Virginia

NWS Blacksburg, VA issued this winter storm warning at Jan 18, 2024, 3:14 AM EST for Tazewell County, Virginia; Greenbrier County, Mercer County, Summers County, West Virginia. It took effect at Jan 18, 2024, 7:00 PM EST. It was in force for 39 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 18, 2024, 3:14 AM EST (08:14 UTC)
In effect from
Jan 18, 2024, 7:00 PM EST
Expired
Jan 20, 2024, 10:00 AM EST
In force
39 hr
Issued by
NWS Blacksburg, VA

Counties Tazewell County, VA, Greenbrier County, WV, Mercer County, WV, Summers County, WV

The nearest sounding before it

Roanoke, VA (KRNK), launched 00:00Z, 8.2 hours before the alert went out and 137 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 00:00Z on 2024-01-18Temperature 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 00:00Z on 2024-01-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 58 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
1489 m above ground
0-6 km bulk shear
80 kt
0-1 km storm-relative helicity
58 m²/s²
0-3 km storm-relative helicity
116 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 18, 3:14 AM ESTWinter Weather AdvisoryRNKAlleghany, Bath, Bland, Carroll, Craig, Floyd and 9 more55 hr

Nearby

Winter Storm Warnings in West Virginia, 2024Winter Storm Warnings in Virginia, 2024Every winter storm warning in 2024

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.