Alert archive / West Virginia / Winter Weather Advisories in 2021
Winter Weather Advisory 11, NWS Charleston, WV
NWS Charleston, WV issued this winter weather advisory at Feb 6, 2021, 3:32 AM EST for 15 counties in West Virginia; 4 counties in Kentucky. It took effect at Feb 6, 2021, 9:00 PM EST. It was in force for 15 hr.
The area
The counties it named.
The facts
- Issued
- Feb 6, 2021, 3:32 AM EST (08:32 UTC)
- In effect from
- Feb 6, 2021, 9:00 PM EST
- Expired
- Feb 7, 2021, 12:00 PM EST
- In force
- 15 hr
- Issued by
- NWS Charleston, WV
Counties Boyd County, KY, Carter County, KY, Greenup County, KY, Lawrence County, KY, Boone County, WV, Clay County, WV, Fayette County, WV, Kanawha County, WV, Lincoln County, WV, Logan County, WV, McDowell County, WV, Mingo County, WV, Nicholas County, WV, Pocahontas County, WV, Raleigh County, WV, Randolph County, WV, Wayne County, WV, Webster County, WV, Wyoming County, WV
The radar
The Charleston,WV radar (KRLX), 21 km from the middle of the area, began a volume at 08:36 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
Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 8.5 hours before the alert went out and 276 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2369 m above ground
- 0-6 km bulk shear
- 98 kt
- 0-1 km storm-relative helicity
- -19 m²/s²
- 0-3 km storm-relative helicity
- 185 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this winter weather 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 winter weather advisory went out at Feb 6, 12:02 AM EST, 3 hours 30 minutes earlier.
Area forecast discussion, Feb 6, 12:02 AM EST, 3 hours 30 minutes before
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</html>The office that day
Everything else NWS Charleston, WV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 6, 3:32 AM EST | Winter Storm Warning | RLX | McDowell, Pocahontas | 32 hr |
Nearby
Winter Weather Advisories in West Virginia, 2021Winter Weather Advisories in Kentucky, 2021Every winter weather advisory in 2021
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.