Alert archive / Virginia / High Wind Warnings in 2011
High Wind Warning 10, NWS Blacksburg, VA
NWS Blacksburg, VA issued this high wind warning at Dec 7, 2011, 2:25 PM EST for 4 counties in Virginia; Alleghany County, Ashe County, Watauga County, North Carolina. It took effect at Dec 7, 2011, 4:00 PM EST. It was in force for 10 hr. 3 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Dec 7, 2011, 2:25 PM EST (19:25 UTC)
- In effect from
- Dec 7, 2011, 4:00 PM EST
- Expired
- Dec 8, 2011, 1:54 AM EST
- In force
- 10 hr
- Issued by
- NWS Blacksburg, VA
Counties Alleghany County, NC, Ashe County, NC, Watauga County, NC, Carroll County, VA, City of Galax, VA, Floyd County, VA, Grayson County, VA
The radar
The Roanoke radar (KFCX), 86 km from the middle of the area, began a volume at 19:26 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Dec 7, 6:30 PM EST | NON-TSTM WND DMG | Boone, NC | ABOUT 5 TREES BLOWN DOWN ON ROADS ACROSS THE COUNTY BETWEEN 630 AND 930 PM. |
| Dec 7, 7:15 PM EST | NON-TSTM WND DMG | 4 W Blowing Rock, NC | TREE AND POWERLINES DOWN ON ROUTE 221 NEAR HOLLOWAY MOUNTAIN ROAD. |
| Dec 7, 9:00 PM EST | NON-TSTM WND DMG | Jefferson, NC | ABOUT 5 TREES DOWN ON ROADS ACROSS THE COUNTY. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 7.4 hours before the alert went out and 120 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
- 594 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- 340 m²/s²
- 0-3 km storm-relative helicity
- 341 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
917 WWUS71 KRNK 071925 NPWRNK URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BLACKSBURG VA 225 PM EST WED DEC 7 2011 ...A PERIOD OF HIGH WINDS TONIGHT... .A STRONG STORM SYSTEM WILL MOVE NORTHEAST ALONG THE ATLANTIC TONIGHT. IN ITS WAKE...STRONG NORTHWEST WINDS WILL DEVELOP. THE WINDS ARE EXPECT TO DIMINISH EARLY THURSDAY AS HIGH PRESSURE BUILDS OVER THE MID ATLANTIC REGION. NCZ001-002-018-VAZ015>017-080330- /O.NEW.KRNK.HW.W.0010.111207T2100Z-111208T1100Z/ ASHE-ALLEGHANY NC-WATAUGA-GRAYSON-CARROLL-FLOYD- INCLUDING THE CITIES OF...WEST JEFFERSON...SPARTA...BOONE... INDEPENDENCE...WHITETOP...TROUTDALE...VOLNEY...GALAX...FLOYD 225 PM EST WED DEC 7 2011 ...HIGH WIND WARNING IN EFFECT UNTIL 6 AM EST THURSDAY... THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT UNTIL 6 AM EST THURSDAY. * LOCATIONS...HIGH COUNTRY OF NORTH CAROLINA...AND ALONG THE BLUE RIDGE PARKWAY BETWEEN ROANOKE AND THE VIRGINIA...NORTH CAROLINA BORDER. * HAZARDS...DAMAGING WIND GUSTS. * WINDS...NORTHWEST 25 TO 35 MPH WITH GUSTS UP TO 60 MPH. * TIMING...TONIGHT...WITH THE STRONGEST WIND GUSTS AROUND MIDNIGHT. * IMPACTS...DOWNED TREES LIKELY...POSSIBLY RESULTING IN POWER OUTAGES AND ROAD CLOSURES. THE GROUND IS WET AND TREES WILL EASILY UPROOT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH ARE LIKELY TO CAUSE SPORADIC POWER OUTAGES...FALLEN TREES...MINOR PROPERTY DAMAGE...AND DANGEROUS DRIVING CONDITIONS FOR HIGH PROFILE VEHICLES. RESIDENTS SHOULD MOVE UNFASTENED ITEMS...SUCH AS GARBAGE CANS AND DECK FURNITURE...INDOORS. && $$ VAZ007-009>014-018>020-080330- /O.NEW.KRNK.WI.Y.0028.111207T2100Z-111208T1100Z/ TAZEWELL-SMYTH-BLAND-GILES-WYTHE-PULASKI-MONTGOMERY-CRAIG- ALLEGHANY VA-BATH- INCLUDING THE CITIES OF...TAZEWELL...MARION...BLAND... PEARISBURG...WYTHEVILLE...RADFORD...PULASKI...BLACKSBURG... NEW CASTLE...CLIFTON FORGE...COVINGTON...HOT SPRINGS 225 PM EST WED DEC 7 2011 ...WIND ADVISORY IN EFFECT UNTIL 6 AM EST THURSDAY... THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 6 AM EST THURSDAY. * LOCATIONS...THE NEW RIVER VALLEY AND HIGHLANDS OF VIRGINIA. * HAZARDS...STRONG...POSSIBLY DAMAGING WINDS. * WINDS...NORTHWEST 15 TO 30 MPH WITH GUSTS UP TO 50 MPH. * TIMING...TONIGHT...WITH THE STRONGEST WINDS AROUND MIDNIGHT. * IMPACTS...POSSIBILITY OF DOWNED TREES AND POWER LINES. THE GROUND IS WET AND TREES MAY EASILY UPROOT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ NCZ003-019-VAZ022>024-032>035-080330- /O.NEW.KRNK.WI.Y.0028.111207T2300Z-111208T1100Z/ SURRY-WILKES-ROANOKE-BOTETOURT-ROCKBRIDGE-PATRICK-FRANKLIN- BEDFORD-AMHERST- INCLUDING THE CITIES OF...DOBSON...WILKESBORO...ROANOKE...SALEM... FINCASTLE...LEXINGTON...BUENA VISTA...STUART...ROCKY MOUNT... BEDFORD...AMHERST 225 PM EST WED DEC 7 2011 ...WIND ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 6 AM EST THURSDAY... THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 6 AM EST THURSDAY. * LOCATIONS...COMMUNITIES NEAR THE BLUE RIDGE...INCLUDING THE ROANOKE AND SOUTHERN SHENANDOAH VALLEYS. * HAZARDS...STRONG...POSSIBLY DAMAGING WINDS. * WINDS...NORTHWEST 15 TO 30 MPH WITH GUSTS UP TO 50 MPH. * TIMING...TONIGHT...WITH THE STRONGEST WINDS AROUND MIDNIGHT. * IMPACTS...POSSIBILITY OF DOWNED TREES AND POWER LINES. THE GROUND IS WET AND TREES MAY EASILY UPROOT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$
2 follow-up statements
078 WWUS71 KRNK 080414 NPWRNK URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BLACKSBURG VA 1114 PM EST WED DEC 7 2011 ...HIGH WINDS TONIGHT... .A STRONG STORM SYSTEM WILL MOVE NORTHEAST ALONG THE ATLANTIC TONIGHT. IN ITS WAKE...STRONG NORTHWEST WINDS WILL DEVELOP. THE WINDS ARE EXPECT TO DIMINISH EARLY THURSDAY AS HIGH PRESSURE BUILDS OVER THE MID ATLANTIC REGION. NCZ001-002-018-VAZ015>017-081100- /O.CON.KRNK.HW.W.0010.000000T0000Z-111208T1100Z/ ASHE-ALLEGHANY NC-WATAUGA-GRAYSON-CARROLL-FLOYD- INCLUDING THE CITIES OF...WEST JEFFERSON...SPARTA...BOONE... INDEPENDENCE...WHITETOP...TROUTDALE...VOLNEY...GALAX...FLOYD 1114 PM EST WED DEC 7 2011 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 AM EST THURSDAY... * LOCATIONS...HIGH COUNTRY OF NORTH CAROLINA...AND ALONG THE BLUE RIDGE PARKWAY SOUTH OF ROANOKE. * HAZARDS...DAMAGING WIND GUSTS. * WINDS...NORTHWEST 25 TO 35 MPH WITH GUSTS UP TO 60 MPH. * TIMING...TONIGHT...WITH WINDS BEGINNING TO DIMINISH AFTER 3AM. * IMPACTS...DOWNED TREES AND POWER LINES LIKELY...POSSIBLY RESULTING IN POWER OUTAGES AND ROAD CLOSURES. THE GROUND IS WET AND TREES WILL EASILY UPROOT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH ARE LIKELY TO CAUSE SPORADIC POWER OUTAGES...FALLEN TREES...MINOR PROPERTY DAMAGE...AND DANGEROUS DRIVING CONDITIONS FOR HIGH PROFILE VEHICLES. RESIDENTS SHOULD MOVE UNFASTENED ITEMS...SUCH AS GARBAGE CANS AND DECK FURNITURE...INDOORS. && $$ VAZ007-009>014-018>020-081100- /O.CON.KRNK.WI.Y.0028.000000T0000Z-111208T1100Z/ TAZEWELL-SMYTH-BLAND-GILES-WYTHE-PULASKI-MONTGOMERY-CRAIG- ALLEGHANY VA-BATH- INCLUDING THE CITIES OF...TAZEWELL...MARION...BLAND... PEARISBURG...WYTHEVILLE...RADFORD...PULASKI...BLACKSBURG... NEW CASTLE...CLIFTON FORGE...COVINGTON...HOT SPRINGS 1114 PM EST WED DEC 7 2011 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST THURSDAY... * LOCATIONS...THE NEW RIVER VALLEY AND HIGHLANDS OF VIRGINIA. * HAZARDS...STRONG...POSSIBLY DAMAGING WINDS. * WINDS...NORTHWEST 15 TO 30 MPH WITH GUSTS UP TO 50 MPH. * TIMING...TONIGHT...WITH WINDS BEGINNING TO DIMINISH AFTER 3AM. * IMPACTS...POSSIBILITY OF DOWNED TREES AND POWER LINES. THE GROUND IS WET AND TREES MAY EASILY UPROOT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ NCZ003-019-VAZ022>024-032>035-081100- /O.CON.KRNK.WI.Y.0028.000000T0000Z-111208T1100Z/ SURRY-WILKES-ROANOKE-BOTETOURT-ROCKBRIDGE-PATRICK-FRANKLIN- BEDFORD-AMHERST- INCLUDING THE CITIES OF...DOBSON...WILKESBORO...ROANOKE...SALEM... FINCASTLE...LEXINGTON...BUENA VISTA...STUART...ROCKY MOUNT... BEDFORD...AMHERST 1114 PM EST WED DEC 7 2011 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST THURSDAY... * LOCATIONS...COMMUNITIES NEAR THE BLUE RIDGE...INCLUDING THE ROANOKE AND SOUTHERN SHENANDOAH VALLEYS. * HAZARDS...STRONG...POSSIBLY DAMAGING WINDS. * WINDS...NORTHWEST 15 TO 30 MPH WITH GUSTS UP TO 50 MPH. * TIMING...TONIGHT...WITH WINDS BEGINNING TO DIMINISH AFTER 3AM. * IMPACTS...POSSIBILITY OF DOWNED TREES AND POWER LINES. THE GROUND IS WET AND TREES MAY EASILY UPROOT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$
048 WWUS71 KRNK 080654 NPWRNK URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BLACKSBURG VA 154 AM EST THU DEC 8 2011 NCZ001-002-018-VAZ015>017-080800- /O.CAN.KRNK.HW.W.0010.000000T0000Z-111208T1100Z/ ASHE-ALLEGHANY NC-WATAUGA-GRAYSON-CARROLL-FLOYD- INCLUDING THE CITIES OF...WEST JEFFERSON...SPARTA...BOONE... INDEPENDENCE...WHITETOP...TROUTDALE...VOLNEY...GALAX...FLOYD 154 AM EST THU DEC 8 2011 ...HIGH WIND WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS CANCELLED THE HIGH WIND WARNING. WINDS HAVE DIMINISHED ACROSS THE AREA AS THE STORM SYSTEM MOVES RAPIDLY NORTHEAST OVER THE NEW ENGLAND COAST. GUSTS UP TO 30 TO 40 MPH WILL STILL BE POSSIBLE UNTIL DAWN. $$ NCZ003-019-VAZ007-009>014-018>020-022>024-032>035-080800- /O.CAN.KRNK.WI.Y.0028.000000T0000Z-111208T1100Z/ SURRY-WILKES-TAZEWELL-SMYTH-BLAND-GILES-WYTHE-PULASKI-MONTGOMERY- CRAIG-ALLEGHANY VA-BATH-ROANOKE-BOTETOURT-ROCKBRIDGE-PATRICK- FRANKLIN-BEDFORD-AMHERST- INCLUDING THE CITIES OF...DOBSON...WILKESBORO...TAZEWELL... MARION...BLAND...PEARISBURG...WYTHEVILLE...RADFORD...PULASKI... BLACKSBURG...NEW CASTLE...CLIFTON FORGE...COVINGTON... HOT SPRINGS...ROANOKE...SALEM...FINCASTLE...LEXINGTON... BUENA VISTA...STUART...ROCKY MOUNT...BEDFORD...AMHERST 154 AM EST THU DEC 8 2011 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS CANCELLED THE WIND ADVISORY. WINDS HAVE DIMINISHED AS THE STORM SYSTEM MOVES RAPIDLY NORTHEAST ACROSS THE NEW ENGLAND COAST. A FEW GUSTS OVER 30 MPH WILL BE POSSIBLE UNTIL DAWN. $$ WP
The office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 7, 4:06 AM EST | Flood Watch | RNK | Alleghany, Amherst, Bath, Bedford, Botetourt, Craig and 9 more | 15 hr |
| Dec 7, 4:47 AM EST | Special Weather Statement | RNK | Alleghany, Amherst, Bath, Bedford, Bland, Botetourt and 18 more | 88 min |
| Dec 7, 5:20 AM EST | Areal Flood Warning | RNK | Amherst | 6 hr |
| Dec 7, 5:31 AM EST | Areal Flood Warning | RNK | Carroll, Floyd, Patrick | 6 hr |
| Dec 7, 6:32 AM EST | Special Weather Statement | RNK | Alleghany, Bath, Bland, Botetourt, Carroll, Craig and 11 more | 73 min |
| Dec 7, 2:25 PM EST | Wind Advisory | RNK | Alleghany, Amherst, Bath, Bedford, Bland, Botetourt and 17 more | 11 hr |
| Dec 7, 3:37 PM EST | Special Weather Statement | RNK | Franklin, Henry, Patrick | 38 min |
| Dec 7, 4:04 PM EST | Areal Flood Advisory | RNK | Floyd, Montgomery, Pulaski, Roanoke, City of Radford, City of Roanoke and 1 more | 3 hr |
| Dec 7, 4:04 PM EST | Special Weather Statement | RNK | Henry, Pittsylvania, City of Martinsville | 41 min |
| Dec 7, 4:43 PM EST | Special Weather Statement | RNK | Halifax, Pittsylvania, City of Danville | 47 min |
| Dec 7, 5:03 PM EST | Areal Flood Advisory | RNK | Alleghany, Bath, Botetourt, Craig, Rockbridge, City of Buena Vista and 2 more | 4 hr |
| Dec 7, 5:24 PM EST | Special Weather Statement | RNK | Charlotte, Halifax | 51 min |
| Dec 7, 5:38 PM EST | Severe Thunderstorm Warning | RNK | Appomattox, Buckingham, Charlotte, Halifax | 37 min |
| Dec 7, 6:59 PM EST | Areal Flood Warning | RNK | Franklin, Roanoke, City of Roanoke, City of Salem | 4 hr |
Nearby
High Wind Warnings in Virginia, 2011High Wind Warnings in North Carolina, 2011Every high wind warning in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.