Alert archive / Virginia / Wind Advisories in 2016

Wind Advisory 12, NWS Blacksburg, VA

October 21, 2016Alleghany County, Ashe County, Watauga County, North Carolina; 20 counties in Virginia

NWS Blacksburg, VA issued this wind advisory at Oct 21, 2016, 3:49 PM EDT for Alleghany County, Ashe County, Watauga County, North Carolina; 20 counties in Virginia. It took effect at Oct 21, 2016, 6:00 PM EDT. It was in force for 18 hr.

The area

The counties it named.

The facts

Issued
Oct 21, 2016, 3:49 PM EDT (19:49 UTC)
In effect from
Oct 21, 2016, 6:00 PM EDT
Expired
Oct 22, 2016, 12:00 PM EDT
In force
18 hr
Issued by
NWS Blacksburg, VA
All 23 counties

Alleghany County, NC, Ashe County, NC, Watauga County, NC, Alleghany County, VA, Bath 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, Grayson County, VA, Montgomery County, VA, Pulaski County, VA, Roanoke County, VA, Rockbridge County, VA, Smyth County, VA, Wythe County, VA

The radar

The Roanoke radar (KFCX), 22 km from the middle of the area, began a volume at 19:47 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 12:00Z, 7.8 hours before the alert went out and 83 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 2016-10-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 10 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 2016-10-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 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
10 J/kg
Mixed-layer CIN
-68 J/kg
Mixed-layer LCL
911 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
29 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

075 
WWUS71 KRNK 211949
NPWRNK

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BLACKSBURG VA
349 PM EDT FRI OCT 21 2016

...STRONG GUSTY WINDS TONIGHT AND SATURDAY MORNING...

.GUSTY NORTHWEST WINDS BEHIND A COLD FRONT WILL RESULT IN BLUSTERY
CONDITIONS TONIGHT AND SATURDAY MORNING.

NCZ001-002-018-VAZ009-012>020-022>024-220800-
/O.NEW.KRNK.WI.Y.0012.161021T2200Z-161022T1600Z/
ASHE-ALLEGHANY NC-WATAUGA-SMYTH-WYTHE-PULASKI-MONTGOMERY-GRAYSON-
CARROLL-FLOYD-CRAIG-ALLEGHANY VA-BATH-ROANOKE-BOTETOURT-
ROCKBRIDGE-
INCLUDING THE CITIES OF...WEST JEFFERSON...SPARTA...BOONE...
MARION...WYTHEVILLE...RADFORD...PULASKI...BLACKSBURG...
INDEPENDENCE...WHITETOP...TROUTDALE...VOLNEY...GALAX...FLOYD...
NEW CASTLE...CLIFTON FORGE...COVINGTON...HOT SPRINGS...ROANOKE...
SALEM...FINCASTLE...LEXINGTON...BUENA VISTA
349 PM EDT FRI OCT 21 2016

...WIND ADVISORY IN EFFECT UNTIL NOON EDT SATURDAY...

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL NOON EDT SATURDAY.

* LOCATIONS...ALONG THE BLUE RIDGE MOUNTAINS FROM NORTHWEST NORTH
  CAROLINA THROUGH SOUTHWEST VIRGINIA. 

* HAZARDS...STRONG...GUSTY NORTHWEST WINDS

* WINDS...NORTHWEST 15 TO 25 MPH WITH GUSTS OF 40 TO 50 MPH.

* TIMING...TONIGHT INTO SATURDAY MORNING. 

* IMPACTS...ISOLATED DOWNED TREES AND POWER OUTAGES ARE POSSIBLE.
  DRIVERS OF HIGH PROFILE VEHICLES SHOULD USE CAUTION WHEN
  TRAVELLING THROUGH THE REGION TONIGHT...INCLUDING ON I-81 AND
  I-77.

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
967 
WWUS71 KRNK 220251
NPWRNK

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BLACKSBURG VA
1051 PM EDT FRI OCT 21 2016

...WINDY CONDITIONS TO PERSIST INTO SATURDAY MORNING...

.GUSTY NORTHWEST WINDS BEHIND A COLD FRONT WILL RESULT IN
BLUSTERY CONDITIONS THROUGH SATURDAY MORNING.

NCZ001-002-018-VAZ009-012>020-022>024-221100-
/O.CON.KRNK.WI.Y.0012.000000T0000Z-161022T1600Z/
ASHE-ALLEGHANY NC-WATAUGA-SMYTH-WYTHE-PULASKI-MONTGOMERY-GRAYSON-
CARROLL-FLOYD-CRAIG-ALLEGHANY VA-BATH-ROANOKE-BOTETOURT-
ROCKBRIDGE-
INCLUDING THE CITIES OF...WEST JEFFERSON...SPARTA...BOONE...
MARION...WYTHEVILLE...RADFORD...PULASKI...BLACKSBURG...
INDEPENDENCE...WHITETOP...TROUTDALE...VOLNEY...GALAX...FLOYD...
NEW CASTLE...CLIFTON FORGE...COVINGTON...HOT SPRINGS...ROANOKE...
SALEM...FINCASTLE...LEXINGTON...BUENA VISTA
1051 PM EDT FRI OCT 21 2016

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

* LOCATIONS...ALONG THE BLUE RIDGE MOUNTAINS FROM NORTHWEST 
  NORTH CAROLINA THROUGH SOUTHWEST VIRGINIA.

* HAZARDS...STRONG...GUSTY NORTHWEST WINDS

* WINDS...NORTHWEST 15 TO 25 MPH WITH GUSTS OF 40 TO 50
  MPH...MAINLY AT THE HIGHEST ELEVATIONS.

* TIMING...TONIGHT INTO SATURDAY MORNING.

* IMPACTS...ISOLATED DOWNED TREES AND POWER OUTAGES ARE POSSIBLE.
  DRIVERS OF HIGH PROFILE VEHICLES SHOULD USE CAUTION WHEN
  TRAVELING THROUGH THE REGION TONIGHT...INCLUDING ON I-81 AND I-
  77.

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.

&&

$$
271 
WWUS71 KRNK 220821
NPWRNK

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BLACKSBURG VA
421 AM EDT SAT OCT 22 2016

...WINDY CONDITIONS TO PERSIST THIS MORNING...

.BLUSTERY CONDITIONS WILL PERSIST THIS MORNING. STRONG WIND GUSTS
ARE STILL POSSIBLE, BUT MAINLY FOR ELEVATIONS ABOVE 3500 FEET.

VAZ009-012>014-017>019-022-023-220930-
/O.CAN.KRNK.WI.Y.0012.000000T0000Z-161022T1600Z/
SMYTH-WYTHE-PULASKI-MONTGOMERY-FLOYD-CRAIG-ALLEGHANY VA-ROANOKE-
BOTETOURT-
INCLUDING THE CITIES OF...MARION...WYTHEVILLE...RADFORD...
PULASKI...BLACKSBURG...FLOYD...NEW CASTLE...CLIFTON FORGE...
COVINGTON...ROANOKE...SALEM...FINCASTLE
421 AM EDT SAT OCT 22 2016

...WIND ADVISORY IS CANCELLED...

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

WIND GUSTS OF 20 TO 30 MPH ARE STILL POSSIBLE THIS MORNING, BUT
SPEEDS LESS THAN THOSE NEEDED FOR A WIND ADVISORY.

$$

NCZ001-002-018-VAZ015-016-020-024-221600-
/O.CON.KRNK.WI.Y.0012.000000T0000Z-161022T1600Z/
ASHE-ALLEGHANY NC-WATAUGA-GRAYSON-CARROLL-BATH-ROCKBRIDGE-
INCLUDING THE CITIES OF...WEST JEFFERSON...SPARTA...BOONE...
INDEPENDENCE...WHITETOP...TROUTDALE...VOLNEY...GALAX...
HOT SPRINGS...LEXINGTON...BUENA VISTA
421 AM EDT SAT OCT 22 2016

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

* LOCATIONS...MAINLY FOR ELEVATIONS ABOVE 3500 FEET.

* HAZARDS...STRONG...GUSTY NORTHWEST WINDS

* WINDS...NORTHWEST 20 TO 30 MPH WITH GUSTS UP TO 45 MPH.

* TIMING...THROUGH NOON TODAY.

* IMPACTS...ISOLATED DOWNED TREES AND POWER OUTAGES ARE POSSIBLE.
  DRIVERS OF HIGH PROFILE VEHICLES SHOULD USE CAUTION, ESPECIALLY
  NEAR FANCY GAP ON INTERSTATE 77.

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.

&&

$$
763 
WWUS71 KRNK 220837
NPWRNK

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BLACKSBURG VA
437 AM EDT SAT OCT 22 2016

...WINDY CONDITIONS TO PERSIST THIS MORNING...
...FROST LIKELY FOR FAR WESTERN VIRGINIA TONIGHT...

.BLUSTERY CONDITIONS WILL PERSIST THIS MORNING. STRONG WIND GUSTS
ARE STILL POSSIBLE... BUT MAINLY FOR ELEVATIONS ABOVE 3500 FEET.
WINDS WILL DIMINISH TONIGHT, NEAR CALM FOR AREAS TOWARD BRISTOL
VIRGINIA. THIS WILL SET THE STAGE FOR AREAS OF FROST FOR THE UPPER
TENNESSEE VALLEY WHICH INCLUDES TAZEWELL AND SMYTH COUNTIES. 


VAZ007-009-221645-
/O.NEW.KRNK.FR.Y.0005.161023T0600Z-161023T1300Z/
TAZEWELL-SMYTH-
INCLUDING THE CITIES OF...TAZEWELL...MARION
437 AM EDT SAT OCT 22 2016

...FROST ADVISORY IN EFFECT FROM 2 AM TO 9 AM EDT SUNDAY...

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A FROST
ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 9 AM EDT SUNDAY.

* LOCATIONS...SMYTH AND TAZEWELL COUNTIES.

* HAZARDS...AREAS OF FROST.

* TEMPERATURES...FALLING INTO THE MID 30S. BURKES GARDEN MAY
  EXPERIENCE TEMPERATURES IN THE LOWER 30S.

* TIMING...BETWEEN 2AM AND 9AM SUNDAY MORNING.

* IMPACTS...DAMAGE TO TENDER PLANTS. PLANTS THAT ARE SUSCEPTIBLE TO
  FROST DAMAGE NEED TO BE PROTECTED OR BROUGHT INDOORS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY MEANS THAT FROST IS EXPECTED. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNCOVERED.

&&

$$

NCZ001-002-018-VAZ015-016-020-024-221600-
/O.CON.KRNK.WI.Y.0012.000000T0000Z-161022T1600Z/
ASHE-ALLEGHANY NC-WATAUGA-GRAYSON-CARROLL-BATH-ROCKBRIDGE-
INCLUDING THE CITIES OF...WEST JEFFERSON...SPARTA...BOONE...
INDEPENDENCE...WHITETOP...TROUTDALE...VOLNEY...GALAX...
HOT SPRINGS...LEXINGTON...BUENA VISTA
437 AM EDT SAT OCT 22 2016

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

* LOCATIONS...MAINLY FOR ELEVATIONS ABOVE 3500 FEET.

* HAZARDS...STRONG...GUSTY NORTHWEST WINDS.

* WINDS...NORTHWEST 20 TO 30 MPH WITH GUSTS UP TO 48 MPH.

* TIMING...THROUGH NOON TODAY.

* IMPACTS...ISOLATED DOWNED TREES AND POWER OUTAGES ARE POSSIBLE.
  DRIVERS OF HIGH PROFILE VEHICLES SHOULD USE CAUTION...ESPECIALLY
  NEAR FANCY GAP ON INTERSTATE 77...AND ALONG THE BLUE RIDGE
  PARKWAY.

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.

&&

$$
320 
WWUS71 KRNK 221128
NPWRNK

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BLACKSBURG VA
728 AM EDT SAT OCT 22 2016

...WINDY CONDITIONS TO PERSIST THIS MORNING...
...FROST LIKELY FOR FAR WESTERN VIRGINIA TONIGHT...

.BLUSTERY CONDITIONS WILL PERSIST THIS MORNING. STRONG WIND GUSTS
ARE STILL POSSIBLE... BUT MAINLY FOR ELEVATIONS ABOVE 3500 FEET.
WINDS WILL DIMINISH TONIGHT... NEAR CALM FOR AREAS TOWARD BRISTOL
VIRGINIA. THIS WILL SET THE STAGE FOR AREAS OF FROST FOR THE
UPPER TENNESSEE VALLEY WHICH INCLUDES TAZEWELL AND SMYTH
COUNTIES.

VAZ020-024-221230-
/O.CAN.KRNK.WI.Y.0012.000000T0000Z-161022T1600Z/
BATH-ROCKBRIDGE-
INCLUDING THE CITIES OF...HOT SPRINGS...LEXINGTON...BUENA VISTA
728 AM EDT SAT OCT 22 2016

...WIND ADVISORY IS CANCELLED...

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

$$

VAZ007-009-221930-
/O.CON.KRNK.FR.Y.0005.161023T0600Z-161023T1300Z/
TAZEWELL-SMYTH-
INCLUDING THE CITIES OF...TAZEWELL...MARION
728 AM EDT SAT OCT 22 2016

...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 9 AM EDT
SUNDAY...

* LOCATIONS...SMYTH AND TAZEWELL COUNTIES.

* HAZARDS...AREAS OF FROST.

* TEMPERATURES...FALLING INTO THE MID 30S. BURKES GARDEN MAY 
  EXPERIENCE TEMPERATURES IN THE LOWER 30S.

* TIMING...BETWEEN 2AM AND 9AM SUNDAY MORNING.

* IMPACTS...DAMAGE TO TENDER PLANTS. PLANTS THAT ARE SUSCEPTIBLE 
  TO FROST DAMAGE NEED TO BE PROTECTED OR BROUGHT INDOORS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY MEANS THAT FROST IS EXPECTED. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNCOVERED.

&&

$$

NCZ001-002-018-VAZ015-016-221600-
/O.CON.KRNK.WI.Y.0012.000000T0000Z-161022T1600Z/
ASHE-ALLEGHANY NC-WATAUGA-GRAYSON-CARROLL-
INCLUDING THE CITIES OF...WEST JEFFERSON...SPARTA...BOONE...
INDEPENDENCE...WHITETOP...TROUTDALE...VOLNEY...GALAX
728 AM EDT SAT OCT 22 2016

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

* LOCATIONS...MAINLY FOR ELEVATIONS ABOVE 3500 FEET.

* HAZARDS...STRONG...GUSTY NORTHWEST WINDS.

* WINDS...NORTHWEST 20 TO 30 MPH WITH GUSTS UP TO 48 MPH.

* TIMING...THROUGH NOON TODAY.

* IMPACTS...ISOLATED DOWNED TREES AND POWER OUTAGES ARE 
  POSSIBLE. DRIVERS OF HIGH PROFILE VEHICLES SHOULD USE 
  CAUTION...ESPECIALLY NEAR FANCY GAP ON INTERSTATE 77...AND 
  ALONG THE BLUE RIDGE PARKWAY.

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.

&&

$$
345 
WWUS71 KRNK 221559
NPWRNK

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BLACKSBURG VA
1159 AM EDT SAT OCT 22 2016

...FROST LIKELY FOR FAR WESTERN VIRGINIA TONIGHT...

.NEAR CALM WINDS ARE EXPECTED FOR AREAS FROM TAZEWELL TOWARD
BRISTOL VIRGINIA. THIS WILL SET THE STAGE FOR AREAS OF FROST FOR
THE UPPER TENNESSEE VALLEY.

NCZ001-002-018-VAZ015-016-221700-
/O.EXP.KRNK.WI.Y.0012.000000T0000Z-161022T1600Z/
ASHE-ALLEGHANY NC-WATAUGA-GRAYSON-CARROLL-
INCLUDING THE CITIES OF...WEST JEFFERSON...SPARTA...BOONE...
INDEPENDENCE...WHITETOP...TROUTDALE...VOLNEY...GALAX
1159 AM EDT SAT OCT 22 2016

...WIND ADVISORY WILL EXPIRE AT NOON EDT TODAY...

NORTHWEST WIND WILL CONTINUE THIS AFTERNOON AT 10 TO 20 MPH WITH
GUSTS OF 30 TO 40 MPH. WINDS WILL DIMINISH THIS EVENING.

$$

VAZ007-009-222100-
/O.CON.KRNK.FR.Y.0005.161023T0600Z-161023T1300Z/
TAZEWELL-SMYTH-
INCLUDING THE CITIES OF...TAZEWELL...MARION
1159 AM EDT SAT OCT 22 2016

...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 9 AM EDT
SUNDAY...

* LOCATIONS...SMYTH AND TAZEWELL COUNTIES.

* HAZARDS...AREAS OF FROST.

* TEMPERATURES...FALLING INTO THE MID 30S. BURKES GARDEN MAY 
  EXPERIENCE TEMPERATURES IN THE LOWER 30S.

* TIMING...BETWEEN 2AM AND 9AM SUNDAY MORNING.

* IMPACTS...DAMAGE TO TENDER PLANTS. PLANTS THAT ARE SUSCEPTIBLE 
  TO FROST DAMAGE NEED TO BE PROTECTED OR BROUGHT INDOORS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY MEANS THAT FROST IS EXPECTED. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNCOVERED.

&&

$$

Nearby

Wind Advisories in 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.