Alert archive / Virginia / Wind Advisories in 2017

Wind Advisory 16, NWS Blacksburg, VA

October 8, 20175 counties in North Carolina; 9 counties in Virginia; Mercer County, West Virginia

NWS Blacksburg, VA issued this wind advisory at Oct 8, 2017, 4:31 AM EDT for 5 counties in North Carolina; 9 counties in Virginia; Mercer County, West Virginia. It took effect at Oct 8, 2017, 6:00 PM EDT. It was in force for 16 hr.

The area

The counties it named.

The facts

Issued
Oct 8, 2017, 4:31 AM EDT (08:31 UTC)
In effect from
Oct 8, 2017, 6:00 PM EDT
Expired
Oct 9, 2017, 9:32 AM EDT
In force
16 hr
Issued by
NWS Blacksburg, VA

Counties Alleghany County, NC, Ashe County, NC, Surry County, NC, Watauga County, NC, Wilkes County, NC, Bland County, VA, Carroll County, VA, City of Galax, VA, Floyd County, VA, Grayson County, VA, Patrick County, VA, Smyth County, VA, Tazewell County, VA, Wythe County, VA, Mercer County, WV

The radar

The Roanoke radar (KFCX), 79 km from the middle of the area, began a volume at 08:33 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

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 8.5 hours before the alert went out and 127 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, Greensboro/Hi Pt, NC at 00:00Z on 2017-10-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 125 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, Greensboro/Hi Pt, NC at 00:00Z on 2017-10-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 130 square meters per square second.193958Sfc1 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
125 J/kg
Mixed-layer CIN
-100 J/kg
Mixed-layer LCL
532 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
130 m²/s²
0-3 km storm-relative helicity
197 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

Open this sounding in Storm Lab

The text

As transmitted.

482 
WWUS71 KRNK 080831
NPWRNK

URGENT - WEATHER MESSAGE
National Weather Service Blacksburg VA
431 AM EDT Sun Oct 8 2017

...Strong winds associated with Nate will impact portions of the
area this evening through noon Monday...

.The passage of tropical system Nate west of the mountains will 
cause strong winds particularly over higher terrain.

NCZ001-002-018-VAZ007-009-015-081645-
/O.NEW.KRNK.WI.Y.0016.171008T2200Z-171009T1600Z/
Ashe-Alleghany NC-Watauga-Tazewell-Smyth-Grayson-
Including the cities of West Jefferson, Sparta, Boone, Tazewell, 
Marion, Independence, Whitetop, Troutdale, and Volney
431 AM EDT Sun Oct 8 2017

...WIND ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO NOON EDT
MONDAY...

The National Weather Service in Blacksburg has issued a Wind
Advisory, which is in effect from 6 PM this evening to noon EDT
Monday.

* Locations...The higher elevations of the Northern Mountains of 
  North Carolina, north into southwestern sections of the Mountain
  Empire region of southwest Virginia.

* Hazards...Strong winds are expected to blow some trees down and
  possibly power lines.

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

* Timing...this evening to noon Monday.

* Impacts...Gusty winds will blow around unsecured objects. Tree 
  limbs could be blown down and a few power outages may result.

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.

&&

$$
4 follow-up statements
711 
WWUS71 KRNK 081649
NPWRNK

URGENT - WEATHER MESSAGE
National Weather Service Blacksburg VA
1249 PM EDT Sun Oct 8 2017

...Strong winds associated with Nate will impact portions of the
area this evening through noon Monday...

.The passage of tropical system Nate west of the mountains will
cause strong winds particularly over higher terrain.

NCZ003-019-VAZ010-012-016-017-032-WVZ042-090100-
/O.EXA.KRNK.WI.Y.0016.171008T2200Z-171009T1600Z/
Surry-Wilkes-Bland-Wythe-Carroll-Floyd-Patrick-Mercer-
Including the cities of Dobson, Wilkesboro, Bland, Wytheville, 
Galax, Floyd, Stuart, Bluefield, and Flat Top
1249 PM EDT Sun Oct 8 2017

...WIND ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO NOON EDT
MONDAY...

The National Weather Service in Blacksburg has issued a Wind
Advisory, which is in effect from 6 PM this evening to noon EDT
Monday.

* Locations...The higher elevations of the southern Blue Ridge
  from North Carolina into southwest Virginia.

* Hazards...Strong winds are expected to blow some trees down 
  and possibly power lines.

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

* Timing...this evening to noon Monday.

* Impacts...Gusty winds will blow around unsecured objects. Tree
  limbs will be blown down and a few power outages may result.

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-VAZ007-009-015-090100-
/O.CON.KRNK.WI.Y.0016.171008T2200Z-171009T1600Z/
Ashe-Alleghany NC-Watauga-Tazewell-Smyth-Grayson-
Including the cities of West Jefferson, Sparta, Boone, Tazewell, 
Marion, Independence, Whitetop, Troutdale, and Volney
1249 PM EDT Sun Oct 8 2017

...WIND ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO NOON
EDT MONDAY...

* Locations...The higher elevations of the mountains of North
  Carolina, into the Mountain Empire region of southwest 
  Virginia.

* Hazards...Strong winds are expected to blow some trees down 
  and possibly power lines.

* Winds...South 15 to 30 mph with gusts up to 50 mph.

* Timing...this evening to noon Monday.

* Impacts...Gusty winds will blow around unsecured objects. Tree
  limbs will be blown down and a few power outages may result.

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.

&&

$$
393 
WWUS71 KRNK 082351
NPWRNK

URGENT - WEATHER MESSAGE
National Weather Service Blacksburg VA
751 PM EDT Sun Oct 8 2017

...Strong winds associated with Nate will impact portions of the
area through noon Monday...

.The passage of tropical system Nate west of the mountains will
cause strong winds particularly over the higher terrain.

NCZ001>003-018-019-VAZ007-009-010-012-015>017-032-WVZ042-090800-
/O.CON.KRNK.WI.Y.0016.000000T0000Z-171009T1600Z/
Ashe-Alleghany NC-Surry-Watauga-Wilkes-Tazewell-Smyth-Bland-Wythe-
Grayson-Carroll-Floyd-Patrick-Mercer-
Including the cities of West Jefferson, Sparta, Dobson, Boone, 
Wilkesboro, Tazewell, Marion, Bland, Wytheville, Independence, 
Whitetop, Troutdale, Volney, Galax, Floyd, Stuart, Bluefield, 
and Flat Top
751 PM EDT Sun Oct 8 2017

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

* Locations...The higher elevations of the mountains and foothills 
  of North Carolina, into the Mountain Empire region of southwest 
  Virginia, and southern West Virginia.

* Hazards...Strong winds are expected to blow some trees down 
  and possibly power lines.

* Winds...South 15 to 30 mph with gusts up to 50 mph.

* Timing...Through noon Monday.

* Impacts...A few trees and tree limbs could be blown down and
  result in power outages.

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.

&&

$$
693 
WWUS71 KRNK 090710
NPWRNK

URGENT - WEATHER MESSAGE
National Weather Service Blacksburg VA
310 AM EDT Mon Oct 9 2017

...Strong winds associated with Nate will impact portions of the
area into this morning...

.Winds well to the east of Nate will cause strong winds to 
persist particularly over the higher terrain this morning.
Although widespread very strong winds are not expected, any
gusts could cause trees to topple due to wet soils this morning.


NCZ001>003-018-019-VAZ007-009-010-012-015>017-032-WVZ042-091515-
/O.CON.KRNK.WI.Y.0016.000000T0000Z-171009T1600Z/
Ashe-Alleghany NC-Surry-Watauga-Wilkes-Tazewell-Smyth-Bland-Wythe-
Grayson-Carroll-Floyd-Patrick-Mercer-
Including the cities of West Jefferson, Sparta, Dobson, Boone, 
Wilkesboro, Tazewell, Marion, Bland, Wytheville, Independence, 
Whitetop, Troutdale, Volney, Galax, Floyd, Stuart, Bluefield, 
and Flat Top
310 AM EDT Mon Oct 9 2017

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

* Locations...The higher elevations of the mountains and 
  foothills of North Carolina, into the Mountain Empire region 
  of southwest Virginia, and southern West Virginia.

* Hazards...Strong winds are expected to blow down trees and 
  possibly power lines.

* Winds...South 15 to 30 mph with gusts up to 50 mph turning
  southwest this morning.

* Timing...Through noon today.

* Impacts...A few trees and tree limbs could be blown down due to
  the the wet soil conditions and result in power outages.

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.

&&

$$
195 
WWUS71 KRNK 091332
NPWRNK

URGENT - WEATHER MESSAGE
National Weather Service Blacksburg VA
932 AM EDT Mon Oct 9 2017


NCZ001>003-018-019-VAZ007-009-010-012-015>017-032-WVZ042-091445-
/O.CAN.KRNK.WI.Y.0016.000000T0000Z-171009T1600Z/
Ashe-Alleghany NC-Surry-Watauga-Wilkes-Tazewell-Smyth-Bland-Wythe-
Grayson-Carroll-Floyd-Patrick-Mercer-
Including the cities of West Jefferson, Sparta, Dobson, Boone, 
Wilkesboro, Tazewell, Marion, Bland, Wytheville, Independence, 
Whitetop, Troutdale, Volney, Galax, Floyd, Stuart, Bluefield, 
and Flat Top
932 AM EDT Mon Oct 9 2017

...WIND ADVISORY IS CANCELLED...

The National Weather Service in Blacksburg has cancelled the Wind
Advisory.

Remnants of Hurricane Nate have moved north over New England this
morning and no longer pose a threat to the area.

$$
RCS

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 8, 4:39 AM EDTFlash Flood WatchRNKAlleghany, Ashe, Watauga22 hr
Oct 8, 6:08 PM EDTTornado Warning Tornado observedRNKWilkes22 min
Oct 8, 6:29 PM EDTTornado Warning Tornado observedRNKAshe, Watauga, Wilkes31 min
Oct 8, 7:01 PM EDTSpecial Weather StatementRNKAshe44 min
Oct 8, 7:55 PM EDTSpecial Weather StatementRNKAshe, Watauga50 min

Nearby

Wind Advisories in Virginia, 2017Wind Advisories in North Carolina, 2017Wind Advisories in West Virginia, 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.