Alert archive / Virginia / Wind Advisories in 2010
Wind Advisory 14, NWS Blacksburg, VA
NWS Blacksburg, VA issued this wind advisory at May 7, 2010, 3:17 PM EDT for 22 counties in Virginia; Alleghany County, Ashe County, Watauga County, North Carolina; Monroe County, West Virginia. It took effect at May 8, 2010, 6:00 AM EDT. It was in force for 17 hr.
The area
The counties it named.
The facts
- Issued
- May 7, 2010, 3:17 PM EDT (19:17 UTC)
- In effect from
- May 8, 2010, 6:00 AM EDT
- Expired
- May 8, 2010, 10:52 PM EDT
- In force
- 17 hr
- Issued by
- NWS Blacksburg, VA
All 26 counties
Alleghany County, NC, Ashe County, NC, Watauga County, NC, Alleghany County, VA, Bath County, VA, Bland County, VA, Botetourt County, VA, Carroll County, VA, City of Buena Vista, VA, City of Covington, VA, City of Galax, VA, City of Lexington, VA, City of Radford, VA, City of Roanoke, VA, City of Salem, VA, Craig County, VA, Floyd County, VA, Giles County, VA, Grayson County, VA, Montgomery County, VA, Pulaski County, VA, Roanoke County, VA, Rockbridge County, VA, Smyth County, VA, Wythe County, VA, Monroe County, WV
The radar
The Roanoke radar (KFCX), 26 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
Washington/Dulle, VA (KIAD), launched 12:00Z, 7.3 hours before the alert went out and 332 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
- 1854 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 118 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this wind 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 wind advisory went out at May 7, 1:52 PM EDT, 1 hour 25 minutes earlier.
Area forecast discussion, May 7, 1:52 PM EDT, 1 hour 25 minutes before
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</html>Hazardous weather outlook, May 7, 4:26 AM EDT, 10 hours 51 minutes before
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</html>Nearby
Wind Advisories in Virginia, 2010Wind Advisories in North Carolina, 2010Wind Advisories in West Virginia, 2010Every wind advisory in 2010
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.