Alert archive / Virginia / Special Weather Statements in 2012
Special Weather Statement, NWS Blacksburg, VA
NWS Blacksburg, VA issued this special weather statement at Aug 5, 2012, 4:41 PM EDT for 4 counties in Virginia. It was in force for 64 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 5, 2012, 4:41 PM EDT (20:41 UTC)
- Expired
- Aug 5, 2012, 5:45 PM EDT
- In force
- 64 min
- Issued by
- NWS Blacksburg, VA
Counties Amherst County, VA, Botetourt County, VA, City of Buena Vista, VA, City of Lexington, VA
The radar
The Roanoke radar (KFCX), 124 km from the middle of the area, began a volume at 20:41 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, 8.7 hours before the alert went out and 195 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
- 33 J/kg
- Mixed-layer CIN
- -85 J/kg
- Mixed-layer LCL
- 1026 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- -77 m²/s²
- 0-3 km storm-relative helicity
- -50 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>What forecasters said that day
The local office's own words before this special weather statement 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 special weather statement went out at Aug 5, 4:13 PM EDT, 28 minutes earlier.
Area forecast discussion, Aug 5, 4:13 PM EDT, 28 minutes before
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</html>Hazardous weather outlook, Aug 5, 4:18 PM EDT, 23 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BLACKSBURG VA 418 PM EDT SUN AUG 5 2012 NCZ001-002-018-019-VAZ007-009-010-012-015-WVZ042-062030- ASHE-ALLEGHANY NC-WATAUGA-WILKES-TAZEWELL-SMYTH-BLAND-WYTHE-GRAYSON- MERCER- 418 PM EDT SUN AUG 5 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWEST NORTH CAROLINA...SOUTHWEST VIRGINIA AND SOUTHEAST WEST VIRGINIA. .DAY ONE...TONIGHT. A SLOW MOVING AREA OF HEAVY RAINFALL WITH A FEW EMBEDDED THUNDERSTORMS MAY CAUSE WATER PROBLEMS THIS EVENING AND EARLY TONIGHT. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY. HAZARDOUS WEATHER IS NOT EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. NCZ003-004-020-VAZ011-013-014-016>020-022>024-032>035-043-045>047- 059-WVZ043>045-062030- SURRY-STOKES-YADKIN-GILES-PULASKI-MONTGOMERY-CARROLL-FLOYD-CRAIG- ALLEGHANY VA-BATH-ROANOKE-BOTETOURT-ROCKBRIDGE-PATRICK-FRANKLIN- BEDFORD-AMHERST-HENRY-CAMPBELL-APPOMATTOX-BUCKINGHAM-CHARLOTTE- SUMMERS-MONROE-GREENBRIER- 418 PM EDT SUN AUG 5 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL NORTH CAROLINA...NORTHWEST NORTH CAROLINA...CENTRAL VIRGINIA...SOUTH CENTRAL VIRGINIA...SOUTHWEST VIRGINIA...WEST CENTRAL VIRGINIA AND SOUTHEAST WEST VIRGINIA. .DAY ONE...TONIGHT. AN ISOLATED THUNDERSTORMS WITH HEAVY RAINFALL MAY LEAD TO LOCALIZED WATER ISSUES. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY. HAZARDOUS WEATHER IS NOT EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. NCZ005-006-VAZ044-058-062030- ROCKINGHAM-CASWELL-PITTSYLVANIA-HALIFAX- 418 PM EDT SUN AUG 5 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL NORTH CAROLINA AND SOUTH CENTRAL VIRGINIA. .DAY ONE...TONIGHT. HAZARDOUS WEATHER IS NOT EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY. A FEW AFTERNOON THUNDERSTORMS COULD BE STRONG WITH DAMAGING WINDS AND HEAVY RAINFALL. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
In the hours before
Special weather statement, Aug 5, 3:15 PM EDT, 1 hour 26 minutes before
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</html>Special weather statement, Aug 5, 4:41 PM EDT, 0 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 |
|---|---|---|---|---|
| Aug 4, 11:33 PM EDT | Special Weather Statement | RNK | Floyd | 57 min |
| Aug 5, 3:15 PM EDT | Special Weather Statement | RNK | Rockbridge, City of Buena Vista, City of Lexington | 60 min |
| Aug 5, 5:54 PM EDT | Special Weather Statement | RNK | Giles | 66 min |
| Aug 5, 6:16 PM EDT | Areal Flood Advisory | RNK | Bland, Giles | 4 hr |
| Aug 5, 7:03 PM EDT | Flash Flood Warning | RNK | Grayson, Smyth | 5 hr |
| Aug 5, 7:40 PM EDT | Special Weather Statement | RNK | Bedford, Botetourt, Carroll, Craig, Floyd, Grayson and 7 more | 65 min |
| Aug 4, 10:32 PM EDT | Special Weather Statement | RNK | Surry, Yadkin | 58 min |
| Aug 5, 4:57 PM EDT | Special Weather Statement | RNK | Ashe | 63 min |
| Aug 5, 5:22 PM EDT | Areal Flood Warning | RNK | Ashe, Watauga | 104 min |
Nearby
Special Weather Statements in Virginia, 2012Every special weather statement 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.