Alert archive / Virginia / Wind Advisories in 2014
Wind Advisory 7, NWS Blacksburg, VA
NWS Blacksburg, VA issued this wind advisory at Feb 21, 2014, 10:58 AM EST for 20 counties in Virginia; Alleghany County, Ashe County, Watauga County, North Carolina. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Feb 21, 2014, 10:58 AM EST (15:58 UTC)
- Expired
- Feb 21, 2014, 4:35 PM EST
- In force
- 6 hr
- Issued by
- NWS Blacksburg, VA
All 23 counties
Alleghany County, NC, Ashe County, NC, Watauga County, NC, Alleghany County, VA, Bath 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, Grayson County, VA, Montgomery County, VA, Pulaski County, VA, Roanoke County, VA, Rockbridge County, VA, Smyth County, VA, Wythe County, VA
The radar
The Roanoke radar (KFCX), 22 km from the middle of the area, began a volume at 15:59 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, 4.0 hours before the alert went out and 83 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
- 45 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 628 m above ground
- 0-6 km bulk shear
- 68 kt
- 0-1 km storm-relative helicity
- 268 m²/s²
- 0-3 km storm-relative helicity
- 307 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
594 WWUS71 KRNK 211558 NPWRNK URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BLACKSBURG VA 1058 AM EST FRI FEB 21 2014 ...STRONG POST FRONTAL WESTERLY WINDS THIS AFTERNOON... .THE GRADIENT BETWEEN A COLD FRONT PUSHING EAST OF THE AREA AND HIGH PRESSURE BUILDING IN FROM THE WEST WILL MAKE FOR A PERIOD OF STRONG WESTERLY WINDS THROUGH THIS AFTERNOON. THE WINDS WILL BE THE STRONGEST ACROSS THE HIGHER RIDGES ALONG THE BLUE RIDGE. NCZ001-002-018-VAZ009-012>020-022>024-212300- /O.NEW.KRNK.WI.Y.0007.140221T1558Z-140221T2300Z/ ASHE-ALLEGHANY NC-WATAUGA-SMYTH-WYTHE-PULASKI-MONTGOMERY-GRAYSON- CARROLL-FLOYD-CRAIG-ALLEGHANY VA-BATH-ROANOKE-BOTETOURT- ROCKBRIDGE- INCLUDING THE CITIES OF...WEST JEFFERSON...SPARTA...BOONE... MARION...WYTHEVILLE...RADFORD...PULASKI...BLACKSBURG... INDEPENDENCE...WHITETOP...TROUTDALE...VOLNEY...GALAX...FLOYD... NEW CASTLE...CLIFTON FORGE...COVINGTON...HOT SPRINGS...ROANOKE... SALEM...FINCASTLE...LEXINGTON...BUENA VISTA 1058 AM EST FRI FEB 21 2014 ...WIND ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING... THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 6 PM EST THIS EVENING. * LOCATIONS...HIGHER ELEVATIONS ESPECIALLY ALONG THE BLUE RIDGE. * HAZARDS...STRONG WEST WINDS. * WINDS...WEST 15 TO 30 MPH WITH GUSTS TO 50 MPH. * TIMING...THROUGH LATE THIS AFTERNOON. * IMPACTS...TREES MAY BE TOPPLED DUE TO THE WET GROUND AND STRONG WINDS. SOME POWER OUTAGES MAY ALSO OCCUR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS SUSTAINED WINDS OF 31 TO 39 MPH...OR WIND GUSTS OF 46 TO 57 MPH...ARE EXPECTED. WINDS THIS STRONG WILL LIKELY CAUSE SPORADIC POWER OUTAGES AND CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. UNFASTENED ITEMS SUCH AS GARBAGE CANS AND LAWN FURNITURE SHOULD BE MOVED INDOORS. && $$
1 follow-up statement
098 WWUS71 KRNK 212135 NPWRNK URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BLACKSBURG VA 435 PM EST FRI FEB 21 2014 NCZ001-002-018-VAZ009-012>020-022>024-212245- /O.CAN.KRNK.WI.Y.0007.000000T0000Z-140221T2300Z/ ASHE-ALLEGHANY NC-WATAUGA-SMYTH-WYTHE-PULASKI-MONTGOMERY-GRAYSON- CARROLL-FLOYD-CRAIG-ALLEGHANY VA-BATH-ROANOKE-BOTETOURT- ROCKBRIDGE- INCLUDING THE CITIES OF...WEST JEFFERSON...SPARTA...BOONE... MARION...WYTHEVILLE...RADFORD...PULASKI...BLACKSBURG... INDEPENDENCE...WHITETOP...TROUTDALE...VOLNEY...GALAX...FLOYD... NEW CASTLE...CLIFTON FORGE...COVINGTON...HOT SPRINGS...ROANOKE... SALEM...FINCASTLE...LEXINGTON...BUENA VISTA 435 PM EST FRI FEB 21 2014 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS CANCELLED THE WIND ADVISORY. WINDS WILL DIMINISH THIS EVENING. GUSTS OF 25 TO 30 MPH ARE STILL POSSIBLE...BUT MAINLY ALONG THE RIDGE TOPS. $$ 11
The office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 21, 4:06 AM EST | Special Weather Statement | RNK | Smyth, Tazewell | 54 min |
| Feb 21, 4:22 AM EST | Severe Thunderstorm Warning | RNK | Smyth, Tazewell | 38 min |
| Feb 21, 6:17 AM EST | Special Weather Statement | RNK | Alleghany, Bath, City of Covington | 58 min |
| Feb 21, 8:31 AM EST | Severe Thunderstorm Warning | RNK | Alleghany, Bath, Botetourt, Rockbridge, City of Buena Vista, City of Lexington | 74 min |
| Feb 21, 8:45 AM EST | Severe Thunderstorm Warning | RNK | Henry, Pittsylvania, City of Martinsville | 60 min |
| Feb 21, 8:55 AM EST | Areal Flood Advisory | RNK | Amherst, Bath, Bedford, Botetourt, Floyd, Franklin and 7 more | 3 hr |
| Feb 21, 9:08 AM EST | Special Weather Statement | RNK | Pittsylvania | 37 min |
| Feb 21, 9:23 AM EST | Special Weather Statement | RNK | Amherst, City of Lynchburg | 37 min |
| Feb 21, 9:33 AM EST | Special Weather Statement | RNK | Campbell, Charlotte, Halifax, Pittsylvania, City of Danville | 57 min |
| Feb 21, 9:53 AM EST | Special Weather Statement | RNK | Appomattox, Buckingham | 37 min |
Nearby
Wind Advisories in Virginia, 2014Wind Advisories in North Carolina, 2014Every wind advisory in 2014
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.