Alert archive / West Virginia / Winter Storm Warnings in 2019

Winter Storm Warning 1, NWS Blacksburg, VA

January 8, 2019Greenbrier County, West Virginia

NWS Blacksburg, VA issued this winter storm warning at Jan 8, 2019, 2:18 PM EST for Greenbrier County, West Virginia. It took effect at Jan 8, 2019, 11:00 PM EST. It was in force for 38 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 8, 2019, 2:18 PM EST (19:18 UTC)
In effect from
Jan 8, 2019, 11:00 PM EST
Expired
Jan 10, 2019, 1:00 PM EST
In force
38 hr
Issued by
NWS Blacksburg, VA

County Greenbrier County, WV

The radar

The Roanoke radar (KFCX), 104 km from the middle of the area, began a volume at 19:15 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, 7.3 hours before the alert went out and 118 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 2019-01-08Temperature 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 2019-01-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 237 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
1168 m above ground
0-6 km bulk shear
81 kt
0-1 km storm-relative helicity
237 m²/s²
0-3 km storm-relative helicity
312 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 winter storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Blacksburg, VA wrote its last area forecast discussion before this winter storm warning went out at Jan 8, 12:34 PM EST, 1 hour 44 minutes earlier.

Area forecast discussion, Jan 8, 12:34 PM EST, 1 hour 44 minutes before
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Hazardous weather outlook, Jan 8, 8:41 AM EST, 5 hours 37 minutes before
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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The office that day

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

IssuedProductOfficeCountiesLasted
Jan 8, 3:57 AM ESTHigh Wind WatchRNKCarroll, Floyd, Grayson, Roanoke, City of Galax, City of Roanoke and 1 more10 hr
Jan 8, 3:57 AM ESTWind AdvisoryRNKAlleghany, Amherst, Bath, Bedford, Bland, Botetourt and 14 more51 hr
Jan 8, 2:07 PM ESTHigh Wind WarningRNKCarroll, Floyd, Grayson, Roanoke, City of Galax, City of Roanoke and 1 more41 hr
Jan 8, 3:42 AM ESTWinter Storm WatchRNKGreenbrier11 hr
Jan 8, 2:18 PM ESTWinter Weather AdvisoryRNKGreenbrier, Mercer, Summers41 hr

Nearby

Winter Storm Warnings in West Virginia, 2019Every winter storm warning 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.