Alert archive / Virginia / Wind Advisories in 2018

Wind Advisory 5, NWS Blacksburg, VA

March 2, 201829 counties in Virginia; 7 counties in North Carolina

NWS Blacksburg, VA issued this wind advisory at Mar 2, 2018, 9:45 PM EST for 29 counties in Virginia; 7 counties in North Carolina. It was in force for 13 hr.

The area

The counties it named.

The facts

Issued
Mar 2, 2018, 9:45 PM EST (02:45 UTC)
Expired
Mar 3, 2018, 11:00 AM EST
In force
13 hr
Issued by
NWS Blacksburg, VA
All 36 counties

Alleghany County, NC, Ashe County, NC, Stokes County, NC, Surry County, NC, Watauga County, NC, Wilkes County, NC, Yadkin County, NC, Alleghany County, VA, Amherst County, VA, Bath County, VA, Bedford 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 Martinsville, VA, City of Radford, VA, City of Roanoke, VA, City of Salem, VA, Craig County, VA, Floyd County, VA, Franklin County, VA, Giles County, VA, Grayson County, VA, Henry County, VA, Montgomery County, VA, Patrick 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), 12 km from the middle of the area, began a volume at 02:47 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 00:00Z, 2.8 hours before the alert went out and 82 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 00:00Z on 2018-03-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 00:00Z on 2018-03-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 106 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1952 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
106 m²/s²
0-3 km storm-relative helicity
192 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

261 
WWUS71 KRNK 030245
NPWRNK

URGENT - WEATHER MESSAGE
National Weather Service Blacksburg VA
945 PM EST Fri Mar 2 2018

...Strong Wind Gusts To Persist into Saturday morning...

.Very strong to damaging northwest winds persist through Saturday
morning, especially across the higher terrain near the Blue Ridge.
Wind gusts of 50 to 60 mph can be expected at these higher
elevations. At the lower elevations, wind gusts of 30 to 40 mph
are still possible. 

NCZ003-004-019-020-VAZ007-009>014-018>020-022>024-032>035-043-
031045-
/O.CAN.KRNK.HW.W.0001.000000T0000Z-180303T1600Z/
/O.NEW.KRNK.WI.Y.0005.180303T0245Z-180303T1600Z/
Surry-Stokes-Wilkes-Yadkin-Tazewell-Smyth-Bland-Giles-Wythe-
Pulaski-Montgomery-Craig-Alleghany VA-Bath-Roanoke-Botetourt-
Rockbridge-Patrick-Franklin-Bedford-Amherst-Henry-
Including the cities of Dobson, Danbury, Wilkesboro, Yadkinville,
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, and Martinsville
945 PM EST Fri Mar 2 2018

...WIND ADVISORY IN EFFECT UNTIL 11 AM EST SATURDAY...
...HIGH WIND WARNING IS CANCELLED...

The National Weather Service in Blacksburg has issued a Wind
Advisory, which is in effect until 11 AM EST Saturday. The High
Wind Warning has been cancelled.

* Locations...The New River, Roanoke, and Southern Shenandoah
  Valleys and including the Highlands of Virginia and the Virginia
  Foothills. 

* Hazards...Strong wind gusts.

* Winds...Northwest 15 to 25 mph with gusts up to 50 mph.

* Timing...Through Saturday morning. 

* Impacts...Potential for downed trees and powerlines.  Winds 
  this strong can also make travel difficult, especially for high 
  profile vehicles.

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.

&&

$$

NCZ005-006-VAZ044>047-058-059-030345-
/O.CAN.KRNK.HW.W.0001.000000T0000Z-180303T1600Z/
Rockingham-Caswell-Pittsylvania-Campbell-Appomattox-Buckingham-
Halifax-Charlotte-
Including the cities of Eden, Yanceyville, Danville, Lynchburg, 
Appomattox, South Boston, and Keysville
945 PM EST Fri Mar 2 2018

...HIGH WIND WARNING IS CANCELLED...

The National Weather Service in Blacksburg has cancelled the High
Wind Warning.

Winds across the Piedmont of Virginia and North Carolina are
gradually diminishing. Some modest gusts are still possible at 
times, but the strongest winds have already occurred. 

$$

NCZ001-002-018-VAZ015>017-031045-
/O.CON.KRNK.HW.W.0001.000000T0000Z-180303T1600Z/
Ashe-Alleghany NC-Watauga-Grayson-Carroll-Floyd-
Including the cities of West Jefferson, Sparta, Boone, 
Independence, Whitetop, Troutdale, Volney, Galax, and Floyd
945 PM EST Fri Mar 2 2018

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM EST SATURDAY...

* Locations...Along the Blue Ridge from Floyd County Virginia,
  into the High Country of North Carolina, including Fancy Gap. 

* Hazards...Very strong to damaging northwest winds.

* Winds...Northwest 20 to 30 mph with gusts up to 60 mph.

* Timing...Through Saturday morning. 

* Impacts...Numerous downed trees and power outages likely. Minor
  structural damage possible. Winds this strong can also make
  travel difficult, especially for high profile vehicles. Strong
  cross winds are expected along I-77 near Fancy Gap.

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 power outages...fallen trees...
property damage...and dangerous driving conditions for high
profile vehicles. Move unfastened items...such as garbage cans
and deck furniture...indoors.

&&

$$
2 follow-up statements
463 
WWUS71 KRNK 030909
NPWRNK

URGENT - WEATHER MESSAGE
National Weather Service Blacksburg VA
409 AM EST Sat Mar 3 2018

...Strong Wind Gusts To Continue This Morning...

.Very strong winds will persist this morning, especially across 
the higher terrain near the Blue Ridge. 

NCZ001-002-018-VAZ015>017-031600-
/O.CAN.KRNK.HW.W.0001.000000T0000Z-180303T1600Z/
/O.EXA.KRNK.WI.Y.0005.000000T0000Z-180303T1600Z/
Ashe-Alleghany NC-Watauga-Grayson-Carroll-Floyd-
Including the cities of West Jefferson, Sparta, Boone, 
Independence, Whitetop, Troutdale, Volney, Galax, and Floyd
409 AM EST Sat Mar 3 2018

...WIND ADVISORY IN EFFECT UNTIL 11 AM EST THIS MORNING...
...HIGH WIND WARNING IS CANCELLED...

The National Weather Service in Blacksburg has issued a Wind
Advisory, which is in effect until 11 AM EST this morning. The
High Wind Warning has been cancelled.

* Locations...Along the Blue Ridge from Floyd County Virginia,
  into the High Country of North Carolina, including Fancy Gap. 

* Hazards...Strong wind gusts.

* Winds...Northwest 15 to 25 mph with gusts up to 50 mph.

* Timing...This morning.

* Impacts...Potential for downed trees and powerlines. Winds 
  this strong can also make travel difficult, especially for 
  high profile vehicles. 

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.

&&

$$

NCZ003-004-019-020-VAZ007-009>014-018>020-022>024-032>035-043-
031600-
/O.CON.KRNK.WI.Y.0005.000000T0000Z-180303T1600Z/
Surry-Stokes-Wilkes-Yadkin-Tazewell-Smyth-Bland-Giles-Wythe-
Pulaski-Montgomery-Craig-Alleghany VA-Bath-Roanoke-Botetourt-
Rockbridge-Patrick-Franklin-Bedford-Amherst-Henry-
Including the cities of Dobson, Danbury, Wilkesboro, Yadkinville,
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, and Martinsville
409 AM EST Sat Mar 3 2018

...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 AM EST THIS MORNING...

* Locations...The New River, Roanoke, and Southern Shenandoah 
  Valleys and including the Highlands of Virginia and the 
  Virginia Foothills.

* Hazards...Strong wind gusts.

* Winds...Northwest 10 to 20 mph with gusts up to 45 mph.

* Timing...This morning.

* Impacts...Potential for downed trees and powerlines. Winds 
  this strong can also make travel difficult, especially for 
  high profile vehicles. 

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.

&&

$$
987 
WWUS71 KRNK 031556
NPWRNK

URGENT - WEATHER MESSAGE
National Weather Service Blacksburg VA
1056 AM EST Sat Mar 3 2018


NCZ003-004-019-020-VAZ007-009>014-018>020-022>024-032>035-043-
031700-
/O.EXP.KRNK.WI.Y.0005.000000T0000Z-180303T1600Z/
Surry-Stokes-Wilkes-Yadkin-Tazewell-Smyth-Bland-Giles-Wythe-
Pulaski-Montgomery-Craig-Alleghany VA-Bath-Roanoke-Botetourt-
Rockbridge-Patrick-Franklin-Bedford-Amherst-Henry-
Including the cities of Dobson, Danbury, Wilkesboro, Yadkinville,
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, and Martinsville
1056 AM EST Sat Mar 3 2018

...WIND ADVISORY WILL EXPIRE AT 11 AM EST THIS MORNING...

Northwest to north winds are below advisory levels. Therefore, the
wind advisory will expire as scheduled. Gusts to 25 to 35 mph will
occur through the afternoon. 

$$

NCZ001-002-018-VAZ015>017-031700-
/O.EXP.KRNK.WI.Y.0005.000000T0000Z-180303T1600Z/
Ashe-Alleghany NC-Watauga-Grayson-Carroll-Floyd-
Including the cities of West Jefferson, Sparta, Boone, 
Independence, Whitetop, Troutdale, Volney, Galax, and Floyd
1056 AM EST Sat Mar 3 2018

...WIND ADVISORY WILL EXPIRE AT 11 AM EST THIS MORNING...

Northwest to north winds are below advisory levels. Therefore, the
wind advisory will expire as scheduled. Gusts to 25 to 40 mph 
will occur through the afternoon. 

$$

Nearby

Wind Advisories in Virginia, 2018Wind Advisories in North Carolina, 2018Every wind advisory in 2018

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.