Alert archive / West Virginia / Snow Advisories in 2007
Snow Advisory 5, NWS Charleston, WV
NWS Charleston, WV issued this snow advisory at Feb 17, 2007, 4:19 AM EST for 5 counties in West Virginia. It took effect at Feb 17, 2007, 11:59 AM EST. It was in force for 36 hr.
The area
The counties it named.
The facts
- Issued
- Feb 17, 2007, 4:19 AM EST (09:19 UTC)
- In effect from
- Feb 17, 2007, 11:59 AM EST
- Expired
- Feb 19, 2007, 12:00 AM EST
- In force
- 36 hr
- Issued by
- NWS Charleston, WV
Counties Barbour County, WV, McDowell County, WV, Taylor County, WV, Upshur County, WV, Wyoming County, WV
The radar
The Charleston,WV radar (KRLX), 91 km from the middle of the area, began a volume at 09:18 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, 9.3 hours before the alert went out and 275 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
- 2682 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 64 m²/s²
- 0-3 km storm-relative helicity
- 82 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this snow 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 snow advisory went out at Feb 16, 6:55 PM EST, 9 hours 24 minutes earlier.
Area forecast discussion, Feb 16, 6:55 PM EST, 9 hours 24 minutes before
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</html>Hazardous weather outlook, Feb 16, 3:02 PM EST, 13 hours 17 minutes before
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Snow Advisories in West Virginia, 2007Every snow advisory in 2007
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.