Alert archive / West Virginia / Winter Weather Advisories in 2011
Winter Weather Advisory 3, NWS Charleston, WV
NWS Charleston, WV issued this winter weather advisory at Jan 11, 2011, 4:00 AM EST for 10 counties in West Virginia; Lawrence County, Ohio; 4 counties in Kentucky. It took effect at Jan 11, 2011, 5:00 AM EST. It was in force for 52 hr.
The area
The counties it named.
The facts
- Issued
- Jan 11, 2011, 4:00 AM EST (09:00 UTC)
- In effect from
- Jan 11, 2011, 5:00 AM EST
- Expired
- Jan 13, 2011, 9:00 AM EST
- In force
- 52 hr
- Issued by
- NWS Charleston, WV
Counties Boyd County, KY, Carter County, KY, Greenup County, KY, Lawrence County, KY, Lawrence County, OH, Boone County, WV, Cabell County, WV, Kanawha County, WV, Lincoln County, WV, Logan County, WV, McDowell County, WV, Mingo County, WV, Putnam County, WV, Wayne County, WV, Wyoming County, WV
The radar
The Charleston,WV radar (KRLX), 46 km from the middle of the area, began a volume at 09:05 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, 9.0 hours before the alert went out and 307 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
- 594 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 74 m²/s²
- 0-3 km storm-relative helicity
- 526 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 Jan 11, 1:30 AM EST, 2 hours 30 minutes earlier.
Area forecast discussion, Jan 11, 1:30 AM EST, 2 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 |
|---|---|---|---|---|
| Jan 11, 4:00 AM EST | Winter Storm Warning | RLX | Barbour, McDowell, Upshur, Wyoming | 56 hr |
Nearby
Winter Weather Advisories in West Virginia, 2011Winter Weather Advisories in Kentucky, 2011Winter Weather Advisories in Ohio, 2011Every winter weather advisory in 2011
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.