Alert archive / Virginia / Wind Advisories in 2017

Wind Advisory 12, NWS Blacksburg, VA

May 1, 201719 counties in Virginia; 4 counties in West Virginia; Alleghany County, Ashe County, Watauga County, North Carolina

NWS Blacksburg, VA issued this wind advisory at May 1, 2017, 2:23 PM EDT for 19 counties in Virginia; 4 counties in West Virginia; Alleghany County, Ashe County, Watauga County, North Carolina. It took effect at May 2, 2017, 12:00 AM EDT. It was in force for 16 hr.

The area

The counties it named.

The facts

Issued
May 1, 2017, 2:23 PM EDT (18:23 UTC)
In effect from
May 2, 2017, 12:00 AM EDT
Expired
May 2, 2017, 4:00 PM EDT
In force
16 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, Carroll County, VA, City of Covington, VA, City of Galax, 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, Smyth County, VA, Tazewell County, VA, Wythe County, VA, Greenbrier County, WV, Mercer County, WV, Monroe County, WV, Summers County, WV

The radar

The Roanoke radar (KFCX), 41 km from the middle of the area, began a volume at 18:25 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, 6.4 hours before the alert went out and 106 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 2017-05-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 25 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 2017-05-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 255 square meters per square second.19395878Sfc1 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
25 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
706 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
255 m²/s²
0-3 km storm-relative helicity
277 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

As transmitted.

944 
WWUS71 KRNK 011823
NPWRNK

URGENT - WEATHER MESSAGE
National Weather Service Blacksburg VA
223 PM EDT Mon May 1 2017

...Strong gusty winds developing overnight...

.Northwest winds will increase behind a cold front tonight and
become quite strong at the higher elevations toward daybreak. The
strong gusty winds will then continue through Tuesday morning
before gradually subsiding Tuesday afternoon.

NCZ001-002-018-VAZ015-020230-
/O.NEW.KRNK.WI.Y.0012.170502T0400Z-170502T1600Z/
Ashe-Alleghany NC-Watauga-Grayson-
Including the cities of West Jefferson, Sparta, Boone, 
Independence, Whitetop, Troutdale, and Volney
223 PM EDT Mon May 1 2017

...WIND ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO NOON EDT
TUESDAY...

The National Weather Service in Blacksburg has issued a Wind
Advisory, which is in effect from midnight tonight to noon EDT
Tuesday.

* Locations...The northwest mountains of North Carolina into the
  Grayson Highlands of Virginia.

* Hazards...Strong wind gusts, falling trees.

* Winds...West 20 to 30 mph with gusts 45 to 50 mph.

* Timing...Late tonight through Tuesday morning.

* Impacts...Gusty winds will combine with wet soil from recent
  heavy rainfall to topple trees. Loose objects such as lawn
  furniture will be blown around.

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
5 follow-up statements
595 
WWUS71 KRNK 020227
NPWRNK

URGENT - WEATHER MESSAGE
National Weather Service Blacksburg VA
1027 PM EDT Mon May 1 2017

...Strong gusty winds developing overnight...

.Northwest winds will increase behind a cold front overnight and 
become quite strong at the higher elevations toward daybreak. The 
strong gusty winds will then continue through Tuesday morning 
before gradually subsiding Tuesday afternoon.

NCZ001-002-018-VAZ015-021030-
/O.CON.KRNK.WI.Y.0012.170502T0400Z-170502T1600Z/
Ashe-Alleghany NC-Watauga-Grayson-
Including the cities of West Jefferson, Sparta, Boone, 
Independence, Whitetop, Troutdale, and Volney
1027 PM EDT Mon May 1 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL NOON EDT TUESDAY...

* Locations...The northwest mountains of North Carolina into the 
  Grayson Highlands of Virginia.

* Hazards...Strong wind gusts, falling trees.

* Winds...West 20 to 30 mph with gusts 45 to 50 mph.

* Timing...Late tonight through Tuesday morning.

* Impacts...Gusty winds will combine with wet soil from recent 
  heavy rainfall to topple trees. Loose objects such as lawn 
  furniture will be blown around.

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.

&&

$$
11
138 
WWUS71 KRNK 020735
NPWRNK

URGENT - WEATHER MESSAGE
National Weather Service Blacksburg VA
335 AM EDT Tue May 2 2017

...Strong westerly winds to continue today...

.A strong pressure gradient between deep low pressure passing well
to the north and high pressure along the Gulf Coast will keep
gusty westerly winds in place through this afternoon. The
strongest winds will likely occur along the ridges including the
eastern slopes of the Blue Ridge where gusts to 50 mph or stronger 
could occur.

VAZ009-012>014-016-017-022-021545-
/O.EXB.KRNK.WI.Y.0012.000000T0000Z-170502T2000Z/
Smyth-Wythe-Pulaski-Montgomery-Carroll-Floyd-Roanoke-
Including the cities of Marion, Wytheville, Radford, Pulaski, 
Blacksburg, Galax, Floyd, Roanoke, and Salem
335 AM EDT Tue May 2 2017

...WIND ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON...

The National Weather Service in Blacksburg has issued a Wind
Advisory, which is in effect until 4 PM EDT this afternoon.

* Locations...Along the Blue Ridge including the Mountain Empire
  region of Virginia.

* Hazards...Strong wind gusts.

* Winds...West 15 to 30 mph with gusts to 50 mph.

* Timing...Through late this afternoon.

* Impacts...Gusty winds will combine with wet soil from recent 
  heavy rainfall to topple trees. Loose objects such as lawn 
  furniture will be blown around.

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-VAZ015-021545-
/O.EXT.KRNK.WI.Y.0012.000000T0000Z-170502T2000Z/
Ashe-Alleghany NC-Watauga-Grayson-
Including the cities of West Jefferson, Sparta, Boone, 
Independence, Whitetop, Troutdale, and Volney
335 AM EDT Tue May 2 2017

...WIND ADVISORY NOW IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON...

* Locations...The northwest mountains of North Carolina into the 
  Grayson Highlands of Virginia.

* Hazards...Strong wind gusts.

* Winds...West 20 to 30 mph with gusts to 50 or 55 mph.

* Timing...Through late this afternoon with the strongest winds
  likely this morning.

* Impacts...Gusty winds will combine with wet soil from recent 
  heavy rainfall to topple trees. Loose objects such as lawn 
  furniture will be blown around.

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.

&&

$$
559 
WWUS71 KRNK 020944 AAA
NPWRNK

URGENT - WEATHER MESSAGE...UPDATED
National Weather Service Blacksburg VA
544 AM EDT Tue May 2 2017

...Strong westerly winds to continue today...

.A strong pressure gradient between deep low pressure passing
well to the north and high pressure along the Gulf Coast will
keep gusty westerly winds in place through this afternoon. The
strongest winds will likely occur along the ridges including the
eastern slopes of the Blue Ridge where gusts to 50 mph or
stronger could occur.

VAZ007-010-011-018>020-WVZ042>044-507-508-021745-
/O.EXA.KRNK.WI.Y.0012.000000T0000Z-170502T2000Z/
Tazewell-Bland-Giles-Craig-Alleghany VA-Bath-Mercer-Summers-
Monroe-Eastern Greenbrier-Western Greenbrier-
Including the cities of Tazewell, Bland, Pearisburg, New Castle, 
Clifton Forge, Covington, Hot Springs, Bluefield, Flat Top, 
Hinton, Hix, Union, Lewisburg, White Sulphur Springs, Alderson, 
Quinwood, Duo, and Rainelle
544 AM EDT Tue May 2 2017

...WIND ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON...

The National Weather Service in Blacksburg has issued a Wind
Advisory, which is in effect until 4 PM EDT this afternoon.

* Locations...Mainly west of the Blue Ridge in Virginia including
  Southeast West Virginia.

* Hazards...Strong wind gusts.

* Winds...West 15 to 30 mph with gusts to 50 mph.

* Timing...Through late this afternoon.

* Impacts...Gusty winds will combine with wet soil from recent 
  heavy rainfall to topple trees. Loose objects such as lawn 
  furniture will be blown around.

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>017-022-021745-
/O.CON.KRNK.WI.Y.0012.000000T0000Z-170502T2000Z/
Ashe-Alleghany NC-Watauga-Smyth-Wythe-Pulaski-Montgomery-Grayson-
Carroll-Floyd-Roanoke-
Including the cities of West Jefferson, Sparta, Boone, Marion, 
Wytheville, Radford, Pulaski, Blacksburg, Independence, Whitetop,
Troutdale, Volney, Galax, Floyd, Roanoke, and Salem
544 AM EDT Tue May 2 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM EDT THIS
AFTERNOON...

* Locations...Along the Blue Ridge including the Mountain Empire
  region of Virginia as well as the North Carolina mountains.

* Hazards...Strong wind gusts.

* Winds...West 15 to 30 mph with gusts to 50 mph.

* Timing...Through late this afternoon.

* Impacts...Gusty winds will combine with wet soil from recent 
  heavy rainfall to topple trees. Loose objects such as lawn 
  furniture will be blown around.

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.

&&

$$
439 
WWUS71 KRNK 021703
NPWRNK

URGENT - WEATHER MESSAGE
National Weather Service Blacksburg VA
103 PM EDT Tue May 2 2017

...Blustery winds to continue this afternoon...

.A strong pressure gradient between deep low pressure passing
well to the north and high pressure along the Gulf Coast will
keep gusty westerly winds in place through this afternoon. The
strongest winds will likely occur along the ridges including the
eastern slopes of the Blue Ridge where gusts 45 to 50 mph could 
occur.

NCZ001-002-018-VAZ007-009>020-022-WVZ042>044-507-508-022000-
/O.CON.KRNK.WI.Y.0012.000000T0000Z-170502T2000Z/
Ashe-Alleghany NC-Watauga-Tazewell-Smyth-Bland-Giles-Wythe-
Pulaski-Montgomery-Grayson-Carroll-Floyd-Craig-Alleghany VA-Bath-
Roanoke-Mercer-Summers-Monroe-Eastern Greenbrier-
Western Greenbrier-
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, Bluefield, Flat Top, Hinton, Hix, Union, 
Lewisburg, White Sulphur Springs, Alderson, Quinwood, Duo, 
and Rainelle
103 PM EDT Tue May 2 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM EDT THIS
AFTERNOON...

* Locations...Mainly higher elevations west of the Blue Ridge in 
  Virginia including Southeast West Virginia.

* Hazards...Strong wind gusts.

* Winds...West 15 to 25 mph with gusts 45 to 50 mph mainly on the
  hilltops.

* Timing...Through late this afternoon.

* Impacts...Gusty winds will combine with wet soil from recent 
  heavy rainfall to topple trees. Loose objects such as lawn 
  furniture will be blown around.

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.

&&

$$
828 
WWUS71 KRNK 021953
NPWRNK

URGENT - WEATHER MESSAGE
National Weather Service Blacksburg VA
353 PM EDT Tue May 2 2017

...Gusty winds diminishing...

NCZ001-002-018-VAZ007-009>020-022-WVZ042>044-507-508-022100-
/O.EXP.KRNK.WI.Y.0012.000000T0000Z-170502T2000Z/
Ashe-Alleghany NC-Watauga-Tazewell-Smyth-Bland-Giles-Wythe-
Pulaski-Montgomery-Grayson-Carroll-Floyd-Craig-Alleghany VA-Bath-
Roanoke-Mercer-Summers-Monroe-Eastern Greenbrier-
Western Greenbrier-
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, Bluefield, Flat Top, Hinton, Hix, Union, 
Lewisburg, White Sulphur Springs, Alderson, Quinwood, Duo, 
and Rainelle
353 PM EDT Tue May 2 2017

...WIND ADVISORY WILL EXPIRE AT 4 PM EDT THIS AFTERNOON...

While gusty conditions will persist especially at the higher 
elevations west of the Blue Ridge, overall winds will continue to 
diminish late this afternoon and gusts over 45 mph are no longer
expected.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 1, 3:29 PM EDTSpecial Weather StatementRNKGrayson, Pulaski, Wythe, City of Radford61 min
May 1, 4:01 PM EDTSpecial Weather StatementRNKCarroll, Patrick, City of Galax59 min
May 1, 4:06 PM EDTSpecial Weather StatementRNKHenry, Pittsylvania, City of Martinsville54 min
May 1, 4:52 PM EDTSpecial Weather StatementRNKAmherst, Appomattox, Campbell, City of Lynchburg53 min
May 1, 4:53 PM EDTSpecial Weather StatementRNKFranklin, Henry, Patrick, City of Martinsville52 min
May 1, 5:04 PM EDTSpecial Weather StatementRNKPittsylvania56 min
May 1, 5:10 PM EDTSevere Thunderstorm WarningRNKCampbell, Halifax, Pittsylvania43 min
May 1, 5:16 PM EDTSevere Thunderstorm WarningRNKAmherst, Appomattox, Buckingham74 min
May 1, 5:32 PM EDTSevere Thunderstorm WarningRNKFranklin, Henry, Patrick, Pittsylvania, City of Danville, City of Martinsville58 min
May 1, 5:49 PM EDTSevere Thunderstorm WarningRNKAppomattox, Buckingham, Campbell, Charlotte26 min
May 1, 5:51 PM EDTTornado WarningRNKCity of Danville24 min
May 1, 6:20 PM EDTSpecial Weather StatementRNKAmherst, Bedford, Campbell, City of Lynchburg40 min
May 1, 6:25 PM EDTSevere Thunderstorm WarningRNKAmherst, Bedford, Campbell, Franklin, Henry, Pittsylvania and 2 more65 min
May 1, 6:58 PM EDTSevere Thunderstorm WarningRNKAmherst, Appomattox, Buckingham, Campbell, Charlotte, Halifax and 2 more77 min
May 1, 3:46 PM EDTSpecial Weather StatementRNKGreenbrier, Mercer, Summers59 min
May 1, 4:48 PM EDTSpecial Weather StatementRNKGreenbrier57 min
May 1, 2:53 PM EDTAreal Flood AdvisoryRNKWatauga5 hr

Nearby

Wind Advisories in Virginia, 2017Wind Advisories in West 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.