Alert archive / Virginia / Winter Storm Watches in 2007
Winter Storm Watch 4, NWS Blacksburg, VA
NWS Blacksburg, VA issued this winter storm watch at Dec 14, 2007, 11:11 AM EST for 22 counties in Virginia; Monroe County, West Virginia. It took effect at Dec 15, 2007, 12:00 PM EST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Dec 14, 2007, 11:11 AM EST (16:11 UTC)
- In effect from
- Dec 15, 2007, 12:00 PM EST
- Expired
- Dec 14, 2007, 3:10 PM EST
- In force
- Issued by
- NWS Blacksburg, VA
All 23 counties
Alleghany County, VA, Amherst County, VA, Bath County, VA, Bedford 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, Franklin County, VA, Giles County, VA, Montgomery County, VA, Patrick County, VA, Pulaski County, VA, Roanoke County, VA, Rockbridge County, VA, Monroe County, WV
The radar
The Roanoke radar (KFCX), 40 km from the middle of the area, began a volume at 16:09 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, 4.2 hours before the alert went out and 54 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
- 975 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- 14 m²/s²
- 0-3 km storm-relative helicity
- 52 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 storm 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 winter storm watch went out at Dec 14, 6:42 AM EST, 4 hours 29 minutes earlier.
Area forecast discussion, Dec 14, 6:42 AM EST, 4 hours 29 minutes before
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</html>Hazardous weather outlook, Dec 14, 5:26 AM EST, 5 hours 45 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BLACKSBURG VA 526 AM EST FRI DEC 14 2007 VAZ007-009-010-012-WVZ042-043-151030- TAZEWELL-SMYTH-BLAND-WYTHE-MERCER-SUMMERS- 526 AM EST FRI DEC 14 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHWEST VIRGINIA AND SOUTHEAST WEST VIRGINIA. .DAY ONE...TODAY AND TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY A STORM SYSTEM LIFTING NORTHEAST FROM THE SOUTHERN PLAINS TO THE MID ATLANTIC REGION WILL BRING A MIX OF RAIN AND FREEZING RAIN TO THE AREA SATURDAY AND SATURDAY NIGHT. SNOW SHOWERS AND STRONG WINDS ARE EXPECTED ON SUNDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. NCZ003>006-019-020-VAZ032-033-043>047-058-059-151030- SURRY-STOKES-ROCKINGHAM-CASWELL-WILKES-YADKIN-PATRICK-FRANKLIN-HENRY- PITTSYLVANIA-CAMPBELL-APPOMATTOX-BUCKINGHAM-HALIFAX-CHARLOTTE- 526 AM EST FRI DEC 14 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL NORTH CAROLINA...NORTHWEST NORTH CAROLINA...CENTRAL VIRGINIA...SOUTH CENTRAL VIRGINIA...SOUTHWEST VIRGINIA AND WEST CENTRAL VIRGINIA. .DAY ONE...TODAY AND TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY A STORM SYSTEM LIFTING NORTHEAST FROM THE SOUTHERN PLAINS TO THE MID ATLANTIC REGION WILL BRING RAIN TO THE AREA SATURDAY AND SATURDAY NIGHT. STRONG WINDS ARE EXPECTED ON SUNDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. NCZ001-002-018-VAZ011-013>020-022>024-034-035-WVZ044-045-151030- ASHE-ALLEGHANY NC-WATAUGA-GILES-PULASKI-MONTGOMERY-GRAYSON-CARROLL- FLOYD-CRAIG-ALLEGHANY VA-BATH-ROANOKE-BOTETOURT-ROCKBRIDGE-BEDFORD- AMHERST-MONROE-GREENBRIER- 526 AM EST FRI DEC 14 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWEST NORTH CAROLINA...CENTRAL VIRGINIA...SOUTH CENTRAL VIRGINIA...SOUTHWEST VIRGINIA...WEST CENTRAL VIRGINIA AND SOUTHEAST WEST VIRGINIA. .DAY ONE...TODAY AND TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY A STORM SYSTEM LIFTING NORTHEAST FROM THE SOUTHERN PLAINS TO THE MID ATLANTIC REGION WILL BRING A MIX OF RAIN AND FREEZING RAIN TO THE AREA SATURDAY AND SATURDAY NIGHT. SNOW SHOWERS AND VERY STRONG WINDS ARE EXPECTED ON SUNDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
The office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 14, 3:10 PM EST | Ice Storm Warning | RNK | Alleghany, Amherst, Bath, Bedford, Botetourt, Carroll and 12 more | 38 hr |
| Dec 14, 3:10 PM EST | Freezing Rain Advisory | RNK | Appomattox, Bland, Buckingham, Campbell, Carroll, Franklin and 9 more | 38 hr |
Nearby
Winter Storm Watches in Virginia, 2007Winter Storm Watches in West Virginia, 2007Every winter storm watch 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.