Alert archive / Virginia / Wind Advisories in 2016

Wind Advisory 17, NWS Blacksburg, VA

December 17, 201627 counties in Virginia; Alleghany County, Ashe County, Watauga County, North Carolina; 4 counties in West Virginia

NWS Blacksburg, VA issued this wind advisory at Dec 17, 2016, 7:38 PM EST for 27 counties in Virginia; Alleghany County, Ashe County, Watauga County, North Carolina; 4 counties in West Virginia. It took effect at Dec 17, 2016, 10:00 PM EST. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Dec 17, 2016, 7:38 PM EST (00:38 UTC)
In effect from
Dec 17, 2016, 10:00 PM EST
Expired
Dec 18, 2016, 10:24 AM EST
In force
12 hr
Issued by
NWS Blacksburg, VA
All 34 counties

Alleghany County, NC, Ashe County, NC, Watauga 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 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, Montgomery County, VA, Patrick County, VA, Pulaski County, VA, Roanoke County, VA, Rockbridge 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), 27 km from the middle of the area, began a volume at 00:37 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, 0.6 hours before the alert went out and 84 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 2016-12-18Temperature 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 2016-12-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 251 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1055 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
251 m²/s²
0-3 km storm-relative helicity
298 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

456 
WWUS71 KRNK 180038
NPWRNK

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BLACKSBURG VA
738 PM EST SAT DEC 17 2016

...STRONG WINDS ALONG THE HIGHER RIDGES OVERNIGHT INTO SUNDAY
MORNING...

.A COLD FRONT WILL APPROACH THE REGION FROM THE WEST LATER TONIGHT
BEFORE CROSSING THE AREA FROM THE WEST ON SUNDAY. VERY STRONG
SOUTHWEST WINDS WILL DEVELOP AHEAD OF THE FRONT LATER TONIGHT AND
THEN SHIFT TO THE NORTHWEST ACROSS THE MOUNTAINS SUNDAY MORNING.
WIND GUSTS TO 50 OR 55 MPH COULD OCCUR ALONG THE RIDGETOPS
ESPECIALLY ABOVE 2500 FEET INTO EARLY SUNDAY MORNING.

NCZ001-002-018-VAZ007-009>020-022>024-032>035-WVZ042>044-507-508-
180845-
/O.NEW.KRNK.WI.Y.0017.161218T0300Z-161218T1700Z/
ASHE-ALLEGHANY NC-WATAUGA-TAZEWELL-SMYTH-BLAND-GILES-WYTHE-
PULASKI-MONTGOMERY-GRAYSON-CARROLL-FLOYD-CRAIG-ALLEGHANY VA-BATH-
ROANOKE-BOTETOURT-ROCKBRIDGE-PATRICK-FRANKLIN-BEDFORD-AMHERST-
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...FINCASTLE...LEXINGTON...
BUENA VISTA...STUART...ROCKY MOUNT...BEDFORD...AMHERST...
BLUEFIELD...FLAT TOP...HINTON...HIX...UNION...LEWISBURG...
WHITE SULPHUR SPRINGS...ALDERSON...QUINWOOD...DUO...RAINELLE
738 PM EST SAT DEC 17 2016

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

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A WIND
ADVISORY FOR ELEVATIONS ABOVE 2500 FEET...WHICH IS IN EFFECT
UNTIL NOON EST SUNDAY.

* LOCATIONS...MAINLY ALONG AND WEST OF THE BLUE RIDGE AT
  ELEVATIONS ABOVE 2500 FEET.

* HAZARDS...VERY STRONG WINDS.

* WINDS...SOUTHWEST 15 TO 30 MPH WITH GUSTS TO 50 OR 55 MPH
  PRIMARILY ALONG THE RIDGETOPS...SHIFTING TO THE NORTHWEST SUNDAY
  MORNING.

* TIMING...WINDS INCREASING ESPECIALLY AFTER MIDNIGHT AND
  CONTINUING INTO EARLY SUNDAY.

* IMPACTS...STRONG WINDS COULD TOPPLE TREES AND POWER LINES ACROSS
  THE HIGHER ELEVATIONS INTO SUNDAY MORNING.

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.

&&

$$
3 follow-up statements
278 
WWUS71 KRNK 180333
NPWRNK

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BLACKSBURG VA
1033 PM EST SAT DEC 17 2016

...STRONG WINDS ALONG THE HIGHER RIDGES OVERNIGHT INTO SUNDAY
MORNING...

.A COLD FRONT WILL APPROACH THE REGION FROM THE WEST LATER
TONIGHT BEFORE CROSSING THE AREA FROM THE WEST ON SUNDAY. VERY
STRONG SOUTHWEST WINDS WILL DEVELOP AHEAD OF THE FRONT LATER
TONIGHT AND THEN SHIFT TO THE NORTHWEST ACROSS THE MOUNTAINS
SUNDAY MORNING. WIND GUSTS TO 50 OR 55 MPH COULD OCCUR ALONG THE
RIDGETOPS ESPECIALLY ABOVE 2500 FEET INTO EARLY SUNDAY MORNING.

NCZ001-002-018-VAZ007-009>020-022>024-032>035-WVZ042>044-507-508-
181145-
/O.CON.KRNK.WI.Y.0017.000000T0000Z-161218T1700Z/
ASHE-ALLEGHANY NC-WATAUGA-TAZEWELL-SMYTH-BLAND-GILES-WYTHE-
PULASKI-MONTGOMERY-GRAYSON-CARROLL-FLOYD-CRAIG-ALLEGHANY VA-BATH-
ROANOKE-BOTETOURT-ROCKBRIDGE-PATRICK-FRANKLIN-BEDFORD-AMHERST-
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...FINCASTLE...LEXINGTON...
BUENA VISTA...STUART...ROCKY MOUNT...BEDFORD...AMHERST...
BLUEFIELD...FLAT TOP...HINTON...HIX...UNION...LEWISBURG...
WHITE SULPHUR SPRINGS...ALDERSON...QUINWOOD...DUO...RAINELLE
1033 PM EST SAT DEC 17 2016

...WIND ADVISORY REMAINS IN EFFECT UNTIL NOON EST SUNDAY FOR
ELEVATIONS ABOVE 2500 FEET...

* LOCATIONS...MAINLY ALONG AND WEST OF THE BLUE RIDGE ACROSS THE
  HIGHER ELEVATIONS.

* HAZARDS...VERY STRONG WINDS.

* WINDS...SOUTHWEST 15 TO 30 MPH WITH GUSTS TO 50 OR 55 MPH 
  PRIMARILY ALONG THE RIDGETOPS...SHIFTING TO THE NORTHWEST 
  SUNDAY MORNING.

* TIMING...WINDS INCREASING ESPECIALLY AFTER MIDNIGHT AND 
  CONTINUING INTO EARLY SUNDAY.

* IMPACTS...STRONG WINDS COULD TOPPLE TREES AND POWER LINES 
  ACROSS THE HIGHER ELEVATIONS INTO SUNDAY MORNING.

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.

&&

$$
144 
WWUS71 KRNK 181021
NPWRNK

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BLACKSBURG VA
521 AM EST SUN DEC 18 2016

...STRONG WINDS ALONG THE HIGHER RIDGES THIS MORNING...

.A COLD FRONT WILL MOVE ACROSS THE APPALACHIAN MOUNTAINS FROM 
WEST TO EAST THIS MORNING. VERY STRONG SOUTHWEST WINDS ARE
OCCURRING AHEAD OF THE FRONT. WIND GUSTS TO 50 OR 55 MPH COULD
OCCUR ALONG THE RIDGETOPS ESPECIALLY ABOVE 2500 FEET IN 
ELEVATION THIS MORNING.


NCZ001-002-018-VAZ007-009>020-022>024-032>035-WVZ042>044-507-508-
181700-
/O.CON.KRNK.WI.Y.0017.000000T0000Z-161218T1700Z/
ASHE-ALLEGHANY NC-WATAUGA-TAZEWELL-SMYTH-BLAND-GILES-WYTHE-
PULASKI-MONTGOMERY-GRAYSON-CARROLL-FLOYD-CRAIG-ALLEGHANY VA-BATH-
ROANOKE-BOTETOURT-ROCKBRIDGE-PATRICK-FRANKLIN-BEDFORD-AMHERST-
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...FINCASTLE...LEXINGTON...
BUENA VISTA...STUART...ROCKY MOUNT...BEDFORD...AMHERST...
BLUEFIELD...FLAT TOP...HINTON...HIX...UNION...LEWISBURG...
WHITE SULPHUR SPRINGS...ALDERSON...QUINWOOD...DUO...RAINELLE
521 AM EST SUN DEC 18 2016

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

* LOCATIONS...MAINLY ALONG AND WEST OF THE BLUE RIDGE ACROSS THE 
  HIGHER ELEVATIONS.

* HAZARDS...VERY STRONG WINDS.

* WINDS...SOUTHWEST 15 TO 30 MPH WITH GUSTS TO 50 OR 55 MPH
  PRIMARILY ALONG THE RIDGETOPS...SHIFTING TO THE NORTHWEST.

* TIMING...THIS MORNING WINDS WILL BE OUT OF THE SOUTHWEST,
  SHIFTING TO THE NORTHWEST WITH THE PASSAGE OF THE FRONT. WINDS
  WILL GRADUALLY DIMINISH THIS AFTERNOON.

* IMPACTS...STRONG WINDS COULD TOPPLE TREES AND POWER LINES.

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.

&&

$$
857 
WWUS71 KRNK 181524
NPWRNK

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BLACKSBURG VA
1024 AM EST SUN DEC 18 2016

NCZ001-002-018-VAZ007-009>020-022>024-032>035-WVZ042>044-507-508-
181630-
/O.CAN.KRNK.WI.Y.0017.000000T0000Z-161218T1700Z/
ASHE-ALLEGHANY NC-WATAUGA-TAZEWELL-SMYTH-BLAND-GILES-WYTHE-
PULASKI-MONTGOMERY-GRAYSON-CARROLL-FLOYD-CRAIG-ALLEGHANY VA-BATH-
ROANOKE-BOTETOURT-ROCKBRIDGE-PATRICK-FRANKLIN-BEDFORD-AMHERST-
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...FINCASTLE...LEXINGTON...
BUENA VISTA...STUART...ROCKY MOUNT...BEDFORD...AMHERST...
BLUEFIELD...FLAT TOP...HINTON...HIX...UNION...LEWISBURG...
WHITE SULPHUR SPRINGS...ALDERSON...QUINWOOD...DUO...RAINELLE
1024 AM EST SUN DEC 18 2016

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS CANCELLED THE WIND
ADVISORY.

WHILE WINDS WILL REMAIN GUSTY ALONG RIDGETOPS THIS MORNING...WIND
SPEEDS WILL CONTINUE TO DECREASE THROUGH THIS AFTERNOON AS THE
SURFACE FRONT TRACKS EAST TO THE COAST.


$$

RCS

Nearby

Wind Advisories in Virginia, 2016Wind Advisories in West Virginia, 2016Wind Advisories in North Carolina, 2016Every wind advisory in 2016

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.