Alert archive / Virginia / Fire Weather Watches in 2012
Fire Weather Watch 3, NWS Blacksburg, VA
NWS Blacksburg, VA issued this fire weather watch at Apr 9, 2012, 10:51 AM EDT for 29 counties in Virginia; 9 counties in North Carolina. It took effect at Apr 10, 2012, 12:00 PM EDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- Apr 9, 2012, 10:51 AM EDT (14:51 UTC)
- In effect from
- Apr 10, 2012, 12:00 PM EDT
- Expired
- Apr 10, 2012, 3:13 AM EDT
- In force
- Issued by
- NWS Blacksburg, VA
All 38 counties
Alleghany County, NC, Ashe County, NC, Caswell County, NC, Rockingham County, NC, Stokes County, NC, Surry County, NC, Watauga County, NC, Wilkes County, NC, Yadkin County, NC, Alleghany County, VA, Amherst County, VA, Appomattox County, VA, Bath County, VA, Bedford County, VA, Botetourt County, VA, Buckingham County, VA, Campbell County, VA, Carroll County, VA, Charlotte County, VA, City of Danville, VA, City of Lynchburg, VA, City of Martinsville, VA, City of Radford, VA, City of Roanoke, VA, City of Salem, VA, Craig County, VA, Floyd County, VA, Franklin County, VA, Grayson County, VA, Halifax County, VA, Henry County, VA, Montgomery County, VA, Patrick County, VA, Pittsylvania County, VA, Pulaski County, VA, Roanoke County, VA, Rockbridge County, VA, Wythe County, VA
The radar
The Roanoke radar (KFCX), 22 km from the middle of the area, began a volume at 14:54 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 12:00Z, 2.9 hours before the alert went out and 100 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
- 2628 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- -202 m²/s²
- 0-3 km storm-relative helicity
- -18 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this fire weather watch 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 fire weather watch went out at Apr 9, 7:26 AM EDT, 3 hours 25 minutes earlier.
Area forecast discussion, Apr 9, 7:26 AM EDT, 3 hours 25 minutes before
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Special weather statement, Apr 9, 5:06 AM EDT, 5 hours 45 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 |
|---|---|---|---|---|
| Apr 9, 3:35 PM EDT | Freeze Watch | RNK | Alleghany, Bath, Bland, Botetourt, Carroll, Craig and 17 more | 11 hr |
Nearby
Fire Weather Watches in Virginia, 2012Fire Weather Watches in North Carolina, 2012Every fire weather watch in 2012
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.