Alert archive / Virginia / Wind Advisories in 2017

Wind Advisory 7, NWS Blacksburg, VA

March 1, 201723 counties in Virginia; Alleghany County, Ashe County, Watauga County, North Carolina

NWS Blacksburg, VA issued this wind advisory at Mar 1, 2017, 3:09 PM EST for 23 counties in Virginia; Alleghany County, Ashe County, Watauga County, North Carolina. It took effect at Mar 1, 2017, 6:00 PM EST. It was in force for 18 hr.

The area

The counties it named.

The facts

Issued
Mar 1, 2017, 3:09 PM EST (20:09 UTC)
In effect from
Mar 1, 2017, 6:00 PM EST
Expired
Mar 2, 2017, 12:00 PM EST
In force
18 hr
Issued by
NWS Blacksburg, VA
All 26 counties

Alleghany County, NC, Ashe County, NC, Watauga County, NC, Alleghany County, VA, Bath County, VA, Bland 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, Giles County, VA, Grayson County, VA, Montgomery County, VA, Pulaski County, VA, Roanoke County, VA, Rockbridge County, VA, Smyth County, VA, Tazewell County, VA, Wythe County, VA

The radar

The Roanoke radar (KFCX), 27 km from the middle of the area, began a volume at 20:09 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, 8.2 hours before the alert went out and 90 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.

Skew-T log-pSkew-T log-p diagram, Roanoke, VA at 12:00Z on 2017-03-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 8 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Roanoke, VA at 12:00Z on 2017-03-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 361 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
8 J/kg
Mixed-layer CIN
-303 J/kg
Mixed-layer LCL
857 m above ground
0-6 km bulk shear
72 kt
0-1 km storm-relative helicity
361 m²/s²
0-3 km storm-relative helicity
448 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

218 
WWUS71 KRNK 012009
NPWRNK

URGENT - WEATHER MESSAGE
National Weather Service Blacksburg VA
309 PM EST Wed Mar 1 2017

...Very Strong Northwest Winds Tonight into Thursday morning...

.A strong cold front will pass east across the region tonight. 
West to northwest winds will quickly increase behind the front and
remain very strong through at least midday Monday. The strongest 
winds can be expected along the Blue Ridge especially Sunday night
into early Monday morning.

NCZ001-002-018-VAZ009-012>020-022>024-020415-
/O.NEW.KRNK.WI.Y.0007.170302T0100Z-170302T1700Z/
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, 
and Buena Vista
309 PM EST Wed Mar 1 2017

...WIND ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO NOON EST
THURSDAY...

The National Weather Service in Blacksburg has issued a Wind
Advisory, which is in effect from 8 PM this evening to noon EST
Thursday.

* Locations...Along and just west of the Blue Ridge mountains,
  including the Alleghany Highlands.

* Hazards...Strong to Damaging Wind gusts.

* Winds...West 20 to 35 mph with gusts up to 50 mph.

* Timing...Tonight through Thursday morning, with the strongest
  winds likely between midnight and sunrise.

* Impacts...Some property damage and power outages are possible. 
  Trees or large tree limbs may be blown down. Travel will be 
  very difficult for high profile vehicles, especially those 
  traveling on southwest to northeast oriented roads across the 
  higher elevations.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory is issued when sustained winds are forecast to be
31 to 39 MPH or gusts will range between 46 and 57 MPH. Winds of
these magnitudes may cause minor property damage without extra
precautions. Motorists in high profile vehicles should use extra
caution until the winds subside.

&&

$$
RCS
4 follow-up statements
714 
WWUS71 KRNK 012300 AAA
NPWRNK

URGENT - WEATHER MESSAGE...UPDATED
National Weather Service Blacksburg VA
600 PM EST Wed Mar 1 2017

...Very Strong Northwest Winds Tonight into Thursday morning...

.A strong cold front will pass east across the region tonight.
West to northwest winds will quickly increase behind the front
and remain very strong through at least midday Monday. The
strongest winds can be expected along the Blue Ridge especially
Sunday night into early Monday morning.

NCZ001-002-018-VAZ009-012>020-022>024-020700-
/O.EXT.KRNK.WI.Y.0007.170301T2300Z-170302T1700Z/
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, 
and Buena Vista
600 PM EST Wed Mar 1 2017

...WIND ADVISORY NOW IN EFFECT UNTIL NOON EST THURSDAY...

* Locations...Along and just west of the Blue Ridge mountains, 
  including the Alleghany Highlands.

* Hazards...Strong to Damaging Wind gusts.

* Winds...West 20 to 35 mph with gusts up to 50 mph.

* Timing...Tonight through Thursday morning, with the strongest 
  winds likely between midnight and sunrise.

* Impacts...Some property damage and power outages are possible. 
  Trees or large tree limbs may be blown down. Travel will be 
  very difficult for high profile vehicles, especially those 
  traveling on southwest to northeast oriented roads across the 
  higher elevations.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory is issued when sustained winds are forecast to be
31 to 39 MPH or gusts will range between 46 and 57 MPH. Winds of
these magnitudes may cause minor property damage without extra
precautions. Motorists in high profile vehicles should use extra
caution until the winds subside.

&&

$$
367 
WWUS71 KRNK 020239
NPWRNK

URGENT - WEATHER MESSAGE
National Weather Service Blacksburg VA
939 PM EST Wed Mar 1 2017

...Very Strong Northwest Winds Overnight into Thursday morning...

.A strong cold front will pass east across the region tonight.
West to northwest winds will quickly increase behind the front
and remain very strong through at least Thursday morning. The 
strongest winds can be expected along the Blue Ridge especially 
from midnight through early Thursday morning.


VAZ007-010-011-021045-
/O.EXA.KRNK.WI.Y.0007.000000T0000Z-170302T1700Z/
Tazewell-Bland-Giles-
Including the cities of Tazewell, Bland, and Pearisburg
939 PM EST Wed Mar 1 2017

...WIND ADVISORY IN EFFECT UNTIL NOON EST THURSDAY...

The National Weather Service in Blacksburg has issued a Wind
Advisory, which is in effect until noon EST Thursday.

* Locations...Tazewell, Bland and Giles counties.

* Hazards...Strong wind gusts.

* Winds...West 20 to 30 mph with gusts up to 50 mph.

* Timing...Overnight through Thursday morning, with the strongest
  winds likely between midnight and sunrise.

* Impacts...Some power outages are possible. Trees or large tree limbs
  may be blown down. Travel will be very difficult for high 
  profile vehicles, especially those traveling on southwest to 
  northeast oriented roads across the higher elevations.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory is issued when sustained winds are forecast to be
31 to 39 MPH or gusts will range between 46 and 57 MPH. Winds of
these magnitudes may cause minor property damage without extra
precautions. Motorists in high profile vehicles should use extra
caution until the winds subside.

&&

$$

NCZ001-002-018-VAZ009-012>020-022>024-021045-
/O.CON.KRNK.WI.Y.0007.000000T0000Z-170302T1700Z/
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, 
and Buena Vista
939 PM EST Wed Mar 1 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL NOON EST THURSDAY...

* Locations...Along and just west of the Blue Ridge mountains, 
  including the Alleghany Highlands.

* Hazards...Strong wind gusts.

* Winds...West 20 to 35 mph with gusts up to 55 mph and perhaps
  briefly higher across the highest ridges.

* Timing...Overnight through Thursday morning, with the strongest
  winds likely between midnight and sunrise.

* Impacts...Some power outages are likely. Trees or large tree limbs
  may be blown down. Travel will be very difficult for high 
  profile vehicles, especially those traveling on southwest to 
  northeast oriented roads across the higher elevations.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory is issued when sustained winds are forecast to be
31 to 39 MPH or gusts will range between 46 and 57 MPH. Winds of
these magnitudes may cause minor property damage without extra
precautions. Motorists in high profile vehicles should use extra
caution until the winds subside.

&&

$$
774 
WWUS71 KRNK 021004
NPWRNK

URGENT - WEATHER MESSAGE
National Weather Service Blacksburg VA
504 AM EST Thu Mar 2 2017

...Very Strong Northwest Winds Through This Morning...

.Northwest winds will continue to be very gusty as colder air
surges into the region. The strongest wind gusts will occur this
morning, mainly at the higher elevations along the Blue Ridge.
Blustery conditions will continue through this afternoon as winds
gradually subside.

NCZ001-002-018-VAZ007-009>020-022>024-021700-
/O.CON.KRNK.WI.Y.0007.000000T0000Z-170302T1700Z/
Ashe-Alleghany NC-Watauga-Tazewell-Smyth-Bland-Giles-Wythe-
Pulaski-Montgomery-Grayson-Carroll-Floyd-Craig-Alleghany VA-Bath-
Roanoke-Botetourt-Rockbridge-
Including the cities of West Jefferson, Sparta, Boone, Tazewell, 
Marion, Bland, Pearisburg, Wytheville, Radford, Pulaski, 
Blacksburg, Independence, Whitetop, Troutdale, Volney, Galax, 
Floyd, New Castle, Clifton Forge, Covington, Hot Springs, 
Roanoke, Salem, Fincastle, Lexington, and Buena Vista
504 AM EST Thu Mar 2 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL NOON EST TODAY...

* Locations...Along and just west of the Blue Ridge mountains, 
  including the Alleghany Highlands.

* Hazards...Strong wind gusts.

* Winds...West 20 to 35 mph with gusts up to 55 mph and perhaps 
  briefly higher across the highest ridges.

* Timing...Thursday morning, with the strongest winds likely
  around daybreak.

* Impacts...Some power outages are likely. Trees or large tree 
  limbs may be blown down. Travel will be very difficult for 
  high profile vehicles, especially those traveling on southwest 
  to northeast oriented roads across the higher elevations.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory is issued when sustained winds are forecast to be
31 to 39 MPH or gusts will range between 46 and 57 MPH. Winds of
these magnitudes may cause minor property damage without extra
precautions. Motorists in high profile vehicles should use extra
caution until the winds subside.

&&

$$

MBS
282 
WWUS71 KRNK 021714
NPWRNK

URGENT - WEATHER MESSAGE
National Weather Service Blacksburg VA
1214 PM EST Thu Mar 2 2017

NCZ001-002-018-VAZ007-009>020-022>024-021815-
/O.EXP.KRNK.WI.Y.0007.000000T0000Z-170302T1700Z/
Ashe-Alleghany NC-Watauga-Tazewell-Smyth-Bland-Giles-Wythe-
Pulaski-Montgomery-Grayson-Carroll-Floyd-Craig-Alleghany VA-Bath-
Roanoke-Botetourt-Rockbridge-
Including the cities of West Jefferson, Sparta, Boone, Tazewell, 
Marion, Bland, Pearisburg, Wytheville, Radford, Pulaski, 
Blacksburg, Independence, Whitetop, Troutdale, Volney, Galax, 
Floyd, New Castle, Clifton Forge, Covington, Hot Springs, 
Roanoke, Salem, Fincastle, Lexington, and Buena Vista
1214 PM EST Thu Mar 2 2017

...WIND ADVISORY HAS EXPIRED...

Strong winds have diminished below advisory criteria. However,
breezy and gusty conditions will continue into this evening.

$$

RCS

The office that day

Everything else NWS Blacksburg, VA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 1, 10:43 AM ESTSevere Thunderstorm WarningRNKBland, Tazewell62 min
Mar 1, 10:52 AM ESTSevere Thunderstorm WarningRNKBland, Smyth, Tazewell38 min
Mar 1, 11:18 AM ESTSevere Thunderstorm WarningRNKBland, Craig, Giles, Pulaski42 min
Mar 1, 11:21 AM ESTSevere Thunderstorm WarningRNKAlleghany, Bath, City of Covington39 min
Mar 1, 11:30 AM ESTSevere Thunderstorm WarningRNKBland, Pulaski, Smyth, Wythe, City of Radford60 min
Mar 1, 11:42 AM ESTSevere Thunderstorm WarningRNKAlleghany, Botetourt, Craig, Giles, Montgomery, Roanoke48 min
Mar 1, 11:51 AM ESTSpecial Weather StatementRNKBotetourt, Rockbridge, City of Buena Vista, City of Lexington54 min
Mar 1, 11:57 AM ESTSevere Thunderstorm WarningRNKAmherst, Bedford, Botetourt, Rockbridge, City of Buena Vista, City of Lexington63 min
Mar 1, 12:00 PM ESTSevere Thunderstorm WarningRNKBedford, Floyd, Franklin, Montgomery, Roanoke, City of Roanoke and 1 more60 min
Mar 1, 12:23 PM ESTSpecial Weather StatementRNKGrayson, Smyth37 min
Mar 1, 12:33 PM ESTSevere Thunderstorm WarningRNKAmherst, Appomattox, Buckingham, Campbell, City of Lynchburg58 min
Mar 1, 12:43 PM ESTSevere Thunderstorm WarningRNKAppomattox, Bedford, Campbell, Halifax, Pittsylvania, City of Lynchburg45 min
Mar 1, 1:10 PM ESTSpecial Weather StatementRNKGrayson65 min
Mar 1, 2:38 PM ESTSpecial Weather StatementRNKPittsylvania37 min
Mar 1, 3:18 PM ESTSpecial Weather StatementRNKFranklin27 min
Mar 1, 4:34 PM ESTSpecial Weather StatementRNKCity of Danville26 min
Mar 1, 5:56 PM ESTSpecial Weather StatementRNKCarroll, Pulaski, City of Galax, City of Radford34 min
Mar 1, 3:02 PM ESTSpecial Weather StatementRNKAlleghany28 min
Mar 1, 3:39 PM ESTSpecial Weather StatementRNKSurry21 min
Mar 1, 3:41 PM ESTSpecial Weather StatementRNKWilkes34 min
Mar 1, 4:05 PM ESTSpecial Weather StatementRNKStokes, Surry25 min
Mar 1, 4:26 PM ESTSpecial Weather StatementRNKWilkes, Yadkin19 min
Mar 1, 4:53 PM ESTSpecial Weather StatementRNKYadkin37 min

Nearby

Wind Advisories in Virginia, 2017Wind Advisories in North Carolina, 2017Every wind advisory in 2017

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.