Alert archive / Virginia / Snow Advisories in 2005
Snow Advisory 8, NWS Blacksburg, VA
NWS Blacksburg, VA issued this snow advisory at Dec 25, 2005, 12:56 PM EST for 4 counties in Virginia; Ashe County, Watauga County, North Carolina; Mercer County, Summers County, West Virginia. It took effect at Dec 25, 2005, 9:00 PM EST. It was in force for 21 hr.
The area
The counties it named.
The facts
- Issued
- Dec 25, 2005, 12:56 PM EST (17:56 UTC)
- In effect from
- Dec 25, 2005, 9:00 PM EST
- Expired
- Dec 26, 2005, 6:00 PM EST
- In force
- 21 hr
- Issued by
- NWS Blacksburg, VA
Counties Ashe County, NC, Watauga County, NC, Bland County, VA, Grayson County, VA, Smyth County, VA, Tazewell County, VA, Mercer County, WV, Summers County, WV
The radar
The Roanoke radar (KFCX), 94 km from the middle of the area, began a volume at 17:57 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, 5.9 hours before the alert went out and 165 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
- 559 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 332 m²/s²
- 0-3 km storm-relative helicity
- 398 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 Blacksburg, VA wrote its last area forecast discussion before this snow advisory went out at Dec 25, 12:23 PM EST, 33 minutes earlier.
Area forecast discussion, Dec 25, 12:23 PM EST, 33 minutes before
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</html>The office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 25, 12:34 PM EST | Wind Advisory | RNK | Alleghany, Bath, Carroll, Craig, Floyd, Giles and 4 more | 32 hr |
Nearby
Snow Advisories in Virginia, 2005Snow Advisories in North Carolina, 2005Snow Advisories in West Virginia, 2005Every snow advisory in 2005
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.