Alert archive / Virginia / Wind Advisories in 2016

Wind Advisory 11, NWS Blacksburg, VA

October 9, 201634 counties in Virginia; 9 counties in North Carolina

NWS Blacksburg, VA issued this wind advisory at Oct 9, 2016, 4:46 AM EDT for 34 counties in Virginia; 9 counties in North Carolina. It took effect at Oct 9, 2016, 5:00 AM EDT. It was in force for 13 hr.

The area

The counties it named.

The facts

Issued
Oct 9, 2016, 4:46 AM EDT (08:46 UTC)
In effect from
Oct 9, 2016, 5:00 AM EDT
Expired
Oct 9, 2016, 6:00 PM EDT
In force
13 hr
Issued by
NWS Blacksburg, VA
All 43 counties

Alleghany County, NC, Ashe County, NC, Caswell County, NC, Rockingham County, NC, Stokes County, NC, Surry County, NC, Watauga County, NC, Wilkes County, NC, Yadkin County, NC, Alleghany County, VA, Amherst County, VA, Appomattox County, VA, Bath County, VA, Bedford County, VA, Botetourt County, VA, Buckingham County, VA, Campbell County, VA, Carroll County, VA, Charlotte County, VA, City of Buena Vista, VA, City of Covington, VA, City of Danville, VA, City of Galax, VA, City of Lexington, VA, City of Lynchburg, 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, Grayson County, VA, Halifax County, VA, Henry County, VA, Montgomery County, VA, Patrick County, VA, Pittsylvania County, VA, Pulaski County, VA, Roanoke County, VA, Rockbridge County, VA, Smyth County, VA, Wythe County, VA

The radar

The Roanoke radar (KFCX), 19 km from the middle of the area, began a volume at 08:47 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, 8.8 hours before the alert went out and 53 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 2016-10-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 96 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 00:00Z on 2016-10-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -66 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
96 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
571 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
-66 m²/s²
0-3 km storm-relative helicity
-76 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted.

096 
WWUS71 KRNK 090846
NPWRNK

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BLACKSBURG VA
446 AM EDT SUN OCT 9 2016

...GUSTY WINDS TODAY...

.WINDS WILL GUST FROM THE NORTH AND NORTHWEST BEHIND A COLD FRONT
TODAY.

NCZ001>006-018>020-VAZ009-012>020-022>024-032>035-043>047-058-059-
091800-
/O.NEW.KRNK.WI.Y.0011.161009T0900Z-161009T2200Z/
ASHE-ALLEGHANY NC-SURRY-STOKES-ROCKINGHAM-CASWELL-WATAUGA-WILKES-
YADKIN-SMYTH-WYTHE-PULASKI-MONTGOMERY-GRAYSON-CARROLL-FLOYD-CRAIG-
ALLEGHANY VA-BATH-ROANOKE-BOTETOURT-ROCKBRIDGE-PATRICK-FRANKLIN-
BEDFORD-AMHERST-HENRY-PITTSYLVANIA-CAMPBELL-APPOMATTOX-BUCKINGHAM-
HALIFAX-CHARLOTTE-
INCLUDING THE CITIES OF...WEST JEFFERSON...SPARTA...DOBSON...
DANBURY...EDEN...YANCEYVILLE...BOONE...WILKESBORO...YADKINVILLE...
MARION...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...MARTINSVILLE...DANVILLE...
LYNCHBURG...APPOMATTOX...SOUTH BOSTON...KEYSVILLE
446 AM EDT SUN OCT 9 2016

...WIND ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING...

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 6 PM EDT THIS EVENING.

* LOCATIONS...SOUTHWEST VIRGINIA...INCLUDING THE ALLEGHNAY
  HIGHLANDS, THE ROANOKE AND NEW RIVER VALLEYS, DANVILLE AND
  LYNCHBURG, AND NORTHWEST NORTH CAROLINA. I-77 FROM SOUTHWEST
  VIRGINIA INTO NORTH CAROLINA, INCLUDING FANCY GAP IS ALSO WITHIN
  THE WIND ADVISORY. 

* HAZARDS...STRONG, GUSTY WINDS. 

* WINDS...NORTH 10 TO 20 MPH WITH GUSTS 30 TO 40 MPH.

* TIMING...THE STRONGEST WINDS ARE EXPECTED THIS MORNING. WINDS
  WILL DIMINISH AFTER 4PM. 

* IMPACTS...DOWNED TREED ARE LIKELY DUE TO THE SOAKED GROUND. 

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.

&&

$$
2 follow-up statements
844 
WWUS71 KRNK 091503
NPWRNK

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BLACKSBURG VA
1103 AM EDT SUN OCT 9 2016

...STRONGER GUSTS ANTICIPATED INTO THIS AFTERNOON...

.WINDS WILL GUST FROM THE NORTH AND NORTHWEST BEHIND A COLD FRONT
THIS AFTERNOON.

NCZ001>006-018>020-VAZ009-012>020-022>024-032>035-043>047-058-059-
092200-
/O.CON.KRNK.WI.Y.0011.000000T0000Z-161009T2200Z/
ASHE-ALLEGHANY NC-SURRY-STOKES-ROCKINGHAM-CASWELL-WATAUGA-WILKES-
YADKIN-SMYTH-WYTHE-PULASKI-MONTGOMERY-GRAYSON-CARROLL-FLOYD-CRAIG-
ALLEGHANY VA-BATH-ROANOKE-BOTETOURT-ROCKBRIDGE-PATRICK-FRANKLIN-
BEDFORD-AMHERST-HENRY-PITTSYLVANIA-CAMPBELL-APPOMATTOX-BUCKINGHAM-
HALIFAX-CHARLOTTE-
INCLUDING THE CITIES OF...WEST JEFFERSON...SPARTA...DOBSON...
DANBURY...EDEN...YANCEYVILLE...BOONE...WILKESBORO...YADKINVILLE...
MARION...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...MARTINSVILLE...DANVILLE...
LYNCHBURG...APPOMATTOX...SOUTH BOSTON...KEYSVILLE
1103 AM EDT SUN OCT 9 2016

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM EDT THIS EVENING...

* LOCATIONS...SOUTHWEST VIRGINIA...INCLUDING THE ALLEGHNAY 
  HIGHLANDS... THE ROANOKE AND NEW RIVER VALLEYS... DANVILLE AND 
  LYNCHBURG... AND NORTHWEST NORTH CAROLINA. I-77 FROM SOUTHWEST 
  VIRGINIA INTO NORTH CAROLINA... INCLUDING FANCY GAP IS ALSO 
  WITHIN THE WIND ADVISORY.

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

* WINDS...NORTH 10 TO 20 MPH WITH A FEW GUSTS UP TO 30 TO 40 MPH.

* TIMING...THE STRONGEST WINDS ARE EXPECTED THROUGH EARLY
  AFTERNOON. WINDS WILL DIMINISH AFTER 4PM.

* IMPACTS...DOWNED TREED ARE LIKELY DUE TO THE SOAKED GROUND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS WIND ADVISORY WAS ISSUED BASED ON WET GROUNDS AND GUSTS OF 30
TO 40 MPH COMBINING TO POSSIBLY LEAD TO DOWNED TREES.

&&

$$
113 
WWUS71 KRNK 092145 AAA
NPWRNK

URGENT - WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE BLACKSBURG VA
545 PM EDT SUN OCT 9 2016

...WINDS TO DIMINISH EARLY THIS EVENING...


NCZ001>006-018>020-VAZ009-012>020-022>024-032>035-043>047-058-059-
092245-
/O.EXP.KRNK.WI.Y.0011.000000T0000Z-161009T2200Z/
ASHE-ALLEGHANY NC-SURRY-STOKES-ROCKINGHAM-CASWELL-WATAUGA-WILKES-
YADKIN-SMYTH-WYTHE-PULASKI-MONTGOMERY-GRAYSON-CARROLL-FLOYD-CRAIG-
ALLEGHANY VA-BATH-ROANOKE-BOTETOURT-ROCKBRIDGE-PATRICK-FRANKLIN-
BEDFORD-AMHERST-HENRY-PITTSYLVANIA-CAMPBELL-APPOMATTOX-BUCKINGHAM-
HALIFAX-CHARLOTTE-
INCLUDING THE CITIES OF...WEST JEFFERSON...SPARTA...DOBSON...
DANBURY...EDEN...YANCEYVILLE...BOONE...WILKESBORO...YADKINVILLE...
MARION...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...MARTINSVILLE...DANVILLE...
LYNCHBURG...APPOMATTOX...SOUTH BOSTON...KEYSVILLE
545 PM EDT SUN OCT 9 2016

...WIND ADVISORY WILL EXPIRE AT 6 PM EDT THIS EVENING...

NORTHWEST WINDS SHOULD CONTINUE TO GUST TO BETWEEN 25 AND 35 MPH
PRIOR TO SUNSET BEFORE DIMINISHING THIS EVENING. THUS THE WIND
ADVISORY WILL BE ALLOWED TO EXPIRE.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 8, 11:11 PM EDTRiver Flood WarningRNKCharlotte, Halifax47 hr

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.