Alert archive / West Virginia / Wind Advisories in 2018

Wind Advisory 13, NWS Blacksburg, VA

April 22, 2018Greenbrier County, Mercer County, Summers County, West Virginia; Grayson County, Smyth County, Tazewell County, Virginia; Ashe County, Watauga County, North Carolina

NWS Blacksburg, VA issued this wind advisory at Apr 22, 2018, 3:36 PM EDT for Greenbrier County, Mercer County, Summers County, West Virginia; Grayson County, Smyth County, Tazewell County, Virginia; Ashe County, Watauga County, North Carolina. It took effect at Apr 23, 2018, 12:00 AM EDT. It was in force for 26 hr.

The area

The counties it named.

The facts

Issued
Apr 22, 2018, 3:36 PM EDT (19:36 UTC)
In effect from
Apr 23, 2018, 12:00 AM EDT
Expired
Apr 24, 2018, 2:00 AM EDT
In force
26 hr
Issued by
NWS Blacksburg, VA

Counties Ashe County, NC, Watauga County, NC, Grayson County, VA, Smyth County, VA, Tazewell County, VA, Greenbrier County, WV, Mercer County, WV, Summers County, WV

The radar

The Roanoke radar (KFCX), 86 km from the middle of the area, began a volume at 19:38 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, 7.6 hours before the alert went out and 156 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 2018-04-22Temperature 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 12:00Z on 2018-04-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 54 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1921 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
54 m²/s²
0-3 km storm-relative helicity
39 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

853 
WWUS71 KRNK 221936
NPWRNK

URGENT - WEATHER MESSAGE
National Weather Service Blacksburg VA
336 PM EDT Sun Apr 22 2018

...Strong southeast winds expected across the mountains late
tonight through Monday evening...

.Low pressure is going to strengthen over the southeast by
Tuesday, and combined with strong high pressure off the northeast
coast, produce a tight gradient over the southern and central
Appalachians. The higher terrain from North Carolina, into far
southwest Virginia will experience strong gusty southeast winds
late tonight into Monday evening.

NCZ001-018-VAZ007-009-015-WVZ042-230345-
/O.NEW.KRNK.WI.Y.0013.180423T0400Z-180424T0400Z/
Ashe-Watauga-Tazewell-Smyth-Grayson-Mercer-
Including the cities of West Jefferson, Boone, Tazewell, Marion, 
Independence, Whitetop, Troutdale, Volney, Bluefield, 
and Flat Top
336 PM EDT Sun Apr 22 2018

...WIND ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT EDT
MONDAY NIGHT...

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

* Locations...North Carolina High Country, Grayson Highlands into
  the higher terrain of Tazewell and Smyth County, Virginia,
  including Burkes Garden.

* Hazards...Strong southeast winds.

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

* Timing...Late tonight through Monday evening.

* Impacts...These winds could down smaller trees and limbs.
  Isolated power outages are possible. High profile vehicles will
  find it difficult to maneuver at times.

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.

&&

$$
5 follow-up statements
835 
WWUS71 KRNK 230159
NPWRNK

URGENT - WEATHER MESSAGE
National Weather Service Blacksburg VA
959 PM EDT Sun Apr 22 2018

...Strong southeast winds expected across the mountains late
tonight through Monday evening...

.Low pressure is going to strengthen over the southeast by
Tuesday, and combined with strong high pressure off the northeast
coast, produce a tight gradient over the southern and central
Appalachians. The higher terrain from North Carolina, into far
southwest Virginia will experience strong gusty southeast winds
late tonight into Monday evening.

NCZ001-018-VAZ007-009-015-WVZ042-231100-
/O.CON.KRNK.WI.Y.0013.180423T0400Z-180424T0400Z/
Ashe-Watauga-Tazewell-Smyth-Grayson-Mercer-
Including the cities of West Jefferson, Boone, Tazewell, Marion, 
Independence, Whitetop, Troutdale, Volney, Bluefield, 
and Flat Top
959 PM EDT Sun Apr 22 2018

...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT MONDAY
NIGHT...

* Locations...North Carolina High Country, Grayson Highlands into
  the higher terrain of Tazewell and Smyth County Virginia, 
  including Burkes Garden.

* Hazards...Strong southeast winds.

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

* Timing...Starting overnight through Monday evening. Peak wind
  gusts occur Monday afternoon into early Monday evening.

* Impacts...These winds could down smaller trees and limbs,
  especially as soils become saturated from prolonged moderate 
  rainfall. Isolated power outages are possible. High profile 
  vehicles will find it difficult to maneuver at times.

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.

&&

$$
601 
WWUS71 KRNK 230836
NPWRNK

URGENT - WEATHER MESSAGE
National Weather Service Blacksburg VA
436 AM EDT Mon Apr 23 2018

...Strong southeast winds expected across the mountains until 
midnight tonight...

.A deep low pressure system will slowly progress from western
Tennessee today toward the mid-Atlantic. A tightened pressure
gradient between this system and high pressure over the Atlantic
will produce very gusty east to southeasterly winds across the
higher terrain of North Carolina, into far southwest Virginia and
southeast West Virginia through midnight Tuesday.

WVZ043-231800-
/O.EXA.KRNK.WI.Y.0013.000000T0000Z-180424T0400Z/
Summers-
Including the cities of Hinton and Hix
436 AM EDT Mon Apr 23 2018

...WIND ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...

The National Weather Service in Blacksburg has issued a Wind
Advisory, which is in effect until midnight EDT tonight.

* Portions of extreme southeast West Virginia. 

* Hazards...Strong southeast winds.

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

* Timing...Until midnight. Peak wind gusts will occur this 
  afternoon into early evening.

* Impacts...These winds could down smaller trees and limbs, 
  especially as soils become saturated from prolonged moderate 
  rainfall. Isolated power outages are possible. High profile 
  vehicles will find it difficult to maneuver at times.

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.

&&

$$

NCZ001-018-VAZ007-009-015-WVZ042-231800-
/O.CON.KRNK.WI.Y.0013.000000T0000Z-180424T0400Z/
Ashe-Watauga-Tazewell-Smyth-Grayson-Mercer-
Including the cities of West Jefferson, Boone, Tazewell, Marion, 
Independence, Whitetop, Troutdale, Volney, Bluefield, 
and Flat Top
436 AM EDT Mon Apr 23 2018

...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...

* Locations...North Carolina High Country, Grayson Highlands, the
  higher terrain of Tazewell and Smyth County Virginia, into
  southeast West Virginia.

* Hazards...Strong southeast winds.

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

* Timing...Until midnight. Peak wind gusts will occur this 
  afternoon into early evening.

* Impacts...These winds could down smaller trees and limbs, 
  especially as soils become saturated from prolonged moderate 
  rainfall. Isolated power outages are possible. High profile 
  vehicles will find it difficult to maneuver at times.

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.

&&

$$
967 
WWUS71 KRNK 231730
NPWRNK

URGENT - WEATHER MESSAGE
National Weather Service Blacksburg VA
130 PM EDT Mon Apr 23 2018

...Strong southeast winds expected across the mountains into early
overnight Monday night...

.A deep low pressure system will slowly progress from western
Tennessee today toward the mid-Atlantic. A tightened pressure
gradient between this system and high pressure over the Atlantic
will produce very gusty east to southeasterly winds across the
higher terrain of North Carolina, into far southwest Virginia and
southeast West Virginia through just after midnight tonight.

WVZ508-240130-
/O.EXB.KRNK.WI.Y.0013.000000T0000Z-180424T0600Z/
Western Greenbrier-
Including the cities of Quinwood, Duo, and Rainelle
130 PM EDT Mon Apr 23 2018

...WIND ADVISORY IN EFFECT UNTIL 2 AM EDT TUESDAY...

The National Weather Service in Blacksburg has issued a Wind
Advisory, which is in effect until 2 AM EDT Tuesday.

* Locations...Higher terrain of Western Greenbrier County.

* Hazards...Strong southeast winds.

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

* Timing...Through 2am Tuesday. Strongest wind gusts will occur
  this evening.

* Impacts...These winds could down smaller trees and limbs,
  especially as soils become saturated from rainfall. Isolated 
  power outages are possible. High profile vehicles will find it 
  difficult to maneuver at times.



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.

&&

$$

NCZ001-018-VAZ007-009-015-WVZ042-043-240130-
/O.EXT.KRNK.WI.Y.0013.000000T0000Z-180424T0600Z/
Ashe-Watauga-Tazewell-Smyth-Grayson-Mercer-Summers-
Including the cities of West Jefferson, Boone, Tazewell, Marion, 
Independence, Whitetop, Troutdale, Volney, Bluefield, Flat Top, 
Hinton, and Hix
130 PM EDT Mon Apr 23 2018

...WIND ADVISORY NOW IN EFFECT UNTIL 2 AM EDT TUESDAY...

* Locations...North Carolina High Country, Grayson Highlands, 
  the higher terrain of Tazewell and Smyth County Virginia, into 
  southeast West Virginia.

* Hazards...Strong southeast winds.

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

* Timing...Until 2am Tuesday. Peak wind gusts will occur this 
  evening.

* Impacts...These winds could down smaller trees and limbs, 
  especially as soils become saturated from prolonged moderate 
  rainfall. Isolated power outages are possible. High profile 
  vehicles will find it difficult to maneuver at times.

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.

&&

$$
956 
WWUS71 KRNK 240023
NPWRNK

URGENT - WEATHER MESSAGE
National Weather Service Blacksburg VA
823 PM EDT Mon Apr 23 2018

...Strong southeast winds expected across the mountains into
early overnight Monday night...

.A deep low pressure system will slowly progress into central
Tennessee through overnight. A tightened pressure gradient 
between this system and high pressure over the Atlantic will 
produce very gusty east to southeasterly winds across the higher 
terrain of North Carolina, into far southwest Virginia and 
southeast West Virginia through just after midnight tonight.

NCZ001-018-VAZ007-009-015-WVZ042-043-508-240600-
/O.CON.KRNK.WI.Y.0013.000000T0000Z-180424T0600Z/
Ashe-Watauga-Tazewell-Smyth-Grayson-Mercer-Summers-
Western Greenbrier-
Including the cities of West Jefferson, Boone, Tazewell, Marion, 
Independence, Whitetop, Troutdale, Volney, Bluefield, Flat Top, 
Hinton, Hix, Quinwood, Duo, and Rainelle
823 PM EDT Mon Apr 23 2018

...WIND ADVISORY REMAINS IN EFFECT UNTIL 2 AM EDT TUESDAY...

* Locations...North Carolina High Country, Grayson Highlands, 
  the higher terrain of Tazewell and Smyth County Virginia, into 
  southeast West Virginia.

* Hazards...Strong southeast winds.

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

* Timing...Until 2 am Tuesday. Gusts will continue to slowly
  increase through midnight before abating after midnight.

* Impacts...These winds could down smaller trees and limbs, 
  especially as soils become saturated from prolonged moderate 
  rainfall. Isolated power outages are possible. High profile 
  vehicles will find it difficult to maneuver at times.

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.

&&

$$
742 
WWUS71 KRNK 240546
NPWRNK

URGENT - WEATHER MESSAGE
National Weather Service Blacksburg VA
146 AM EDT Tue Apr 24 2018


NCZ001-018-VAZ007-009-015-WVZ042-043-508-240700-
/O.EXP.KRNK.WI.Y.0013.000000T0000Z-180424T0600Z/
Ashe-Watauga-Tazewell-Smyth-Grayson-Mercer-Summers-
Western Greenbrier-
Including the cities of West Jefferson, Boone, Tazewell, Marion, 
Independence, Whitetop, Troutdale, Volney, Bluefield, Flat Top, 
Hinton, Hix, Quinwood, Duo, and Rainelle
146 AM EDT Tue Apr 24 2018

...WIND ADVISORY WILL EXPIRE AT 2 AM EDT EARLY THIS MORNING...

Winds will continue to decrease this morning and remain below
wind advisory levels. An isolated strong wind gust may be 
possible the next couple of hours in the highest elevations. 


$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 22, 3:52 PM EDTFlood WatchRNKCarroll, Floyd, Grayson, Patrick, City of Galax48 hr

Nearby

Wind Advisories in West Virginia, 2018Wind 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.