Alert archive / Virginia / Wind Advisories in 2010

Wind Advisory 23, NWS Blacksburg, VA

December 12, 2010Alleghany County, Surry County, Wilkes County, North Carolina; 14 counties in Virginia

NWS Blacksburg, VA issued this wind advisory at Dec 12, 2010, 10:41 PM EST for Alleghany County, Surry County, Wilkes County, North Carolina; 14 counties in Virginia. It took effect at Dec 13, 2010, 5:00 AM EST. It was in force for 37 hr.

The area

The counties it named.

The facts

Issued
Dec 12, 2010, 10:41 PM EST (03:41 UTC)
In effect from
Dec 13, 2010, 5:00 AM EST
Expired
Dec 14, 2010, 6:11 PM EST
In force
37 hr
Issued by
NWS Blacksburg, VA

Counties Alleghany County, NC, Surry County, NC, Wilkes County, NC, Amherst County, VA, Bedford County, VA, Carroll County, VA, City of Galax, VA, City of Radford, VA, City of Roanoke, VA, City of Salem, VA, Craig County, VA, Floyd County, VA, Franklin County, VA, Montgomery County, VA, Patrick County, VA, Pulaski County, VA, Roanoke County, VA

The radar

The Roanoke radar (KFCX), 8 km from the middle of the area, began a volume at 03:38 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 00:00Z, 3.7 hours before the alert went out and 78 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 2010-12-13Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Roanoke, VA at 00:00Z on 2010-12-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -61 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
779 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
-61 m²/s²
0-3 km storm-relative helicity
106 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

727 
WWUS71 KRNK 130341
NPWRNK

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BLACKSBURG VA
1041 PM EST SUN DEC 12 2010

...BLUSTERY AND VERY COLD CONDITIONS BEHIND ARCTIC FRONT...

.A BITTER COLD WIND WILL INCREASE OVERNIGHT TONIGHT BEHIND AN
ARCTIC COLD FRONT...AND WILL LAST THROUGH AT LEAST TUESDAY MORNING.
ALONG WITH VERY GUSTY WINDS...ESPECIALLY ALONG THE BLUE RIDGE...TEMPERATURES
WILL BE DROPPING INTO THE TEENS AND LOWER 20S BY
MORNING. THIS WILL RESULT IN WIND CHILL VALUES FROM AROUND ZERO TO
10 ABOVE LATE TONIGHT. SOME LIGHT ACCUMULATIONS OF SNOW ALONG
WITH BLOWING SNOW...MAINLY WEST OF THE BLUE RIDGE...WILL ALSO RESULT
IN VERY SLICK ROAD CONDITIONS IN SOME SPOTS.

NCZ002-003-019-VAZ013-014-016>018-022-032-033-131145-
/O.NEW.KRNK.WI.Y.0023.101213T1000Z-101214T1200Z/
ALLEGHANY NC-SURRY-WILKES-PULASKI-MONTGOMERY-CARROLL-FLOYD-CRAIG-
ROANOKE-PATRICK-FRANKLIN-
INCLUDING THE CITIES OF...SPARTA...DOBSON...WILKESBORO...
PULASKI...RADFORD...BLACKSBURG...GALAX...FLOYD...NEW CASTLE...
ROANOKE...SALEM...STUART...ROCKY MOUNT
1041 PM EST SUN DEC 12 2010

...WIND ADVISORY IN EFFECT FROM 5 AM MONDAY TO 7 AM EST TUESDAY...

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 5 AM MONDAY TO 7 AM EST
TUESDAY. 

* WINDS...15 TO 30 MPH WITH GUSTS AS HIGH AS 50 MPH...MAINLY ALONG
  AND NEAR THE BLUE RIDGE.

* TIMING...INCREASING OVERNIGHT TONIGHT AND PEAKING MONDAY
  AFTERNOON...LASTING INTO EARLY TUESDAY.

* IMPACTS...GUSTY WINDS...ALONG WITH VERY COLD TEMPERATURES...WILL
  RESULT IN VERY COLD WINDS CHILL VALUES. SOME LOCAL AREAS OF
  BLOWING SNOW ARE ALSO POSSIBLE LATE TONIGHT...MAINLY WEST OF THE
  BLUE RIDGE.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

SK
7 follow-up statements
723 
WWUS71 KRNK 131035
NPWRNK

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BLACKSBURG VA
535 AM EST MON DEC 13 2010

...BLUSTERY AND VERY COLD CONDITIONS BEHIND ARCTIC FRONT...

.A DEEP LOW PRESSURE SYSTEM OVER SOUTHEAST CANADA WILL FUNNEL
ARCTIC AIR INTO THE REGION THROUGH TUESDAY. THIS WILL PRODUCE STRONG
GUSTY NORTHWEST WINDS TODAY AND WILL CAUSE WIND CHILLS WELL BELOW
ZERO TONIGHT.

NCZ002-VAZ013-014-016>018-022-131145-
/O.CAN.KRNK.WI.Y.0023.000000T0000Z-101214T1200Z/
ALLEGHANY NC-PULASKI-MONTGOMERY-CARROLL-FLOYD-CRAIG-ROANOKE-
INCLUDING THE CITIES OF...SPARTA...PULASKI...RADFORD...
BLACKSBURG...GALAX...FLOYD...NEW CASTLE...ROANOKE...SALEM
535 AM EST MON DEC 13 2010

...WIND ADVISORY IS CANCELLED...

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

A WIND CHILL ADVISORY IS NOW IN EFFECT FOR THIS AREA. 

WINDS WILL BE OUT OF THE NORTHWEST AT 15 TO 30 MPH WITH GUSTS UP
TO 55 MPH. WIND CHILLS WILL BE ZERO TO 10 BELOW TODAY AND 5 BELOW
TO 15 BELOW TONIGHT. 

$$

VAZ034-035-132300-
/O.EXB.KRNK.WI.Y.0023.000000T0000Z-101213T2300Z/
BEDFORD-AMHERST-
INCLUDING THE CITIES OF...BEDFORD...AMHERST
535 AM EST MON DEC 13 2010

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

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

* WINDS...15 TO 30 MPH WITH GUSTS AS HIGH AS 50 MPH...MAINLY 
  ALONG AND NEAR THE BLUE RIDGE. 

* TIMING...PEAKING THIS AFTERNOON...LASTING INTO EARLY TUESDAY
  MORNING.

* IMPACTS...WINDS CHILL IN THE TEENS AND SINGLE DIGITS. SOME LOCAL
  AREAS OF BLOWING SNOW...MAINLY ALONG AND WEST OF THE BLUE RIDGE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

NCZ003-019-VAZ032-033-132300-
/O.EXT.KRNK.WI.Y.0023.000000T0000Z-101213T2300Z/
SURRY-WILKES-PATRICK-FRANKLIN-
INCLUDING THE CITIES OF...DOBSON...WILKESBORO...STUART...
ROCKY MOUNT
535 AM EST MON DEC 13 2010

...WIND ADVISORY NOW IN EFFECT UNTIL 6 PM EST THIS EVENING...

THE WIND ADVISORY IS NOW IN EFFECT UNTIL 6 PM EST THIS EVENING. 

* WINDS...15 TO 30 MPH WITH GUSTS AS HIGH AS 50 MPH...MAINLY 
  ALONG AND NEAR THE BLUE RIDGE. 

* TIMING...PEAKING THIS AFTERNOON AND EVENING...LASTING INTO EARLY
  TUESDAY MORNING.

* IMPACTS...WINDS CHILL IN THE TEENS AND SINGLE DIGITS. SOME LOCAL
  AREAS OF BLOWING SNOW...MAINLY ALONG AND WEST OF THE BLUE RIDGE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$
375 
WWUS71 KRNK 131623
NPWRNK

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BLACKSBURG VA
1123 AM EST MON DEC 13 2010

...BLUSTERY AND VERY COLD CONDITIONS BEHIND ARCTIC FRONT...

.A DEEP LOW PRESSURE SYSTEM OVER NEW ENGLAND WILL FUNNEL
ARCTIC AIR INTO THE REGION THROUGH TUESDAY. THIS WILL PRODUCE
STRONG GUSTY NORTHWEST WINDS THIS AFTERNOON THROUGH TONIGHT AND
WILL CAUSE WIND CHILLS IN THE SINGLE DIGITS TONIGHT.

NCZ003-019-VAZ032>035-140030-
/O.EXT.KRNK.WI.Y.0023.000000T0000Z-101214T1200Z/
SURRY-WILKES-PATRICK-FRANKLIN-BEDFORD-AMHERST-
INCLUDING THE CITIES OF...DOBSON...WILKESBORO...STUART...
ROCKY MOUNT...BEDFORD...AMHERST
1123 AM EST MON DEC 13 2010

...WIND ADVISORY NOW IN EFFECT UNTIL 7 AM EST TUESDAY...

THE WIND ADVISORY IS NOW IN EFFECT UNTIL 7 AM EST TUESDAY. 

* WINDS...15 TO 30 MPH WITH GUSTS AS HIGH AS 50 MPH...MAINLY 
  ALONG AND NEAR THE BLUE RIDGE. 

* TIMING...STRONG WINDS PEAKING THIS AFTERNOON AND EVENING...
  LASTING INTO EARLY TUESDAY MORNING.

* IMPACTS...WIND CHILLS WILL BE IN THE SINGLE DIGITS...WITH SOME
  BELOW ZERO READINGS RIGHT ALONG THE BLUE RIDGE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$
297 
WWUS71 KRNK 132111
NPWRNK

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BLACKSBURG VA
411 PM EST MON DEC 13 2010

...BLUSTERY AND VERY COLD CONDITIONS OVERNIGHT...

.A DEEP LOW PRESSURE SYSTEM OVER NEW ENGLAND WILL CONTINUE TO
FUNNEL ARCTIC AIR INTO THE REGION INTO TUESDAY. THIS WILL
PRODUCE STRONG GUSTY NORTHWEST WINDS TONIGHT AND BRING WIND
CHILLS IN THE SINGLE DIGITS AFTER MIDNIGHT.

NCZ003-019-VAZ032>035-140515-
/O.CON.KRNK.WI.Y.0023.000000T0000Z-101214T1200Z/
SURRY-WILKES-PATRICK-FRANKLIN-BEDFORD-AMHERST-
INCLUDING THE CITIES OF...DOBSON...WILKESBORO...STUART...
ROCKY MOUNT...BEDFORD...AMHERST
411 PM EST MON DEC 13 2010

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST TUESDAY...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST TUESDAY. 

* WINDS...15 TO 30 MPH WITH GUSTS AS HIGH AS 50 MPH...MAINLY 
  ALONG AND NEAR THE BLUE RIDGE. 

* TIMING...STRONG WIND GUSTS PEAKING THIS EVENING...LASTING INTO
  EARLY TUESDAY MORNING.

* IMPACTS...WIND CHILLS WILL BE IN THE SINGLE DIGITS...WITH SOME 
  BELOW ZERO READINGS RIGHT ALONG THE BLUE RIDGE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$
119 
WWUS71 KRNK 140257
NPWRNK

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BLACKSBURG VA
957 PM EST MON DEC 13 2010

...BLUSTERY AND VERY COLD CONDITIONS OVERNIGHT...

.A DEEP LOW PRESSURE SYSTEM OVER NEW ENGLAND WILL CONTINUE TO
FUNNEL ARCTIC AIR INTO THE REGION INTO TUESDAY. THIS WILL PRODUCE
STRONG GUSTY NORTHWEST WINDS TONIGHT AND BRING WIND CHILLS IN THE
SINGLE DIGITS AFTER MIDNIGHT.

NCZ003-019-VAZ032>035-141100-
/O.CON.KRNK.WI.Y.0023.000000T0000Z-101214T1200Z/
SURRY-WILKES-PATRICK-FRANKLIN-BEDFORD-AMHERST-
INCLUDING THE CITIES OF...DOBSON...WILKESBORO...STUART...
ROCKY MOUNT...BEDFORD...AMHERST
957 PM EST MON DEC 13 2010

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST TUESDAY...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST TUESDAY. 

* WINDS...15 TO 30 MPH WITH GUSTS AS HIGH AS 50 MPH...MAINLY ALONG
  AND NEAR THE BLUE RIDGE. SOME GUSTS RIGHT ALONG THE BLUE RIDGE
  IN NORTH CAROLINA COULD REACH 60 MPH.

* TIMING...STRONG WIND GUSTS PEAKING THIS EVENING...LASTING INTO 
  EARLY TUESDAY MORNING. 

* IMPACTS...WIND CHILLS WILL BE IN THE SINGLE DIGITS...WITH SOME
  BELOW ZERO READINGS RIGHT ALONG THE BLUE RIDGE. SOME ISOLATED
  WIND DAMAGE IS POSSIBLE NEAR THE BLUE RIDGE OVERNIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION. WIND GUSTS RIGHT ALONG THE
BLUE RIDGE SOUTH OF MEADOWS OF THE DAN MAY APPROACH HIGH WIND
WARNING CRITERIA...BETWEEN 55 AND 60 MPH...WITH ISOLATED DAMAGE
POSSIBLE.

&&

$$
843 
WWUS71 KRNK 140957
NPWRNK

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BLACKSBURG VA
457 AM EST TUE DEC 14 2010

...BLUSTERY AND VERY COLD CONDITIONS TODAY AND TONIGHT...

.A DEEP LOW PRESSURE SYSTEM OVER NEW ENGLAND WILL CONTINUE TO
FUNNEL ARCTIC AIR INTO THE REGION INTO TUESDAY. THIS WILL PRODUCE
STRONG GUSTY NORTHWEST WINDS TONIGHT AND BRING WIND CHILLS IN THE
SINGLE DIGITS AFTER MIDNIGHT.

NCZ003-019-VAZ032>035-142200-
/O.EXT.KRNK.WI.Y.0023.000000T0000Z-101215T0300Z/
SURRY-WILKES-PATRICK-FRANKLIN-BEDFORD-AMHERST-
INCLUDING THE CITIES OF...DOBSON...WILKESBORO...STUART...
ROCKY MOUNT...BEDFORD...AMHERST
457 AM EST TUE DEC 14 2010

...WIND ADVISORY NOW IN EFFECT UNTIL 10 PM EST THIS EVENING...

THE WIND ADVISORY IS NOW IN EFFECT UNTIL 10 PM EST THIS EVENING. 

* WINDS...15 TO 30 MPH WITH GUSTS AS HIGH AS 50 MPH...MAINLY 
  ALONG AND NEAR THE BLUE RIDGE. SOME GUSTS RIGHT ALONG THE BLUE 
  RIDGE IN NORTH CAROLINA COULD REACH 60 MPH. 

* TIMING...STRONG GUSTY WINDS WILL CONTINUE TODAY THEN DIMINISH
  TONIGHT. 

* IMPACTS...WIND CHILLS WILL BE ZERO TO -5 THIS MORNING ALONG THE
  HIGHER ELEVATIONS OF THE BLUE RIDGE. SOME ISOLATED WIND DAMAGE
  AND POWER OUTAGES ARE POSSIBLE NEAR THE BLUE RIDGE TODAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION. WIND GUSTS RIGHT ALONG THE
BLUE RIDGE SOUTH OF MEADOWS OF THE DAN MAY APPROACH HIGH WIND
WARNING CRITERIA...BETWEEN 55 AND 60 MPH...WITH ISOLATED DAMAGE
POSSIBLE.

&&

$$
009 
WWUS71 KRNK 141746
NPWRNK

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BLACKSBURG VA
1246 PM EST TUE DEC 14 2010

...BLUSTERY AND VERY COLD CONDITIONS TODAY AND TONIGHT...

.A DEEP LOW PRESSURE SYSTEM OVER NEW ENGLAND WILL CONTINUE TO
FUNNEL ARCTIC AIR INTO THE REGION...PRODUCING STRONG GUSTY
NORTHWEST WINDS AND LOW WIND CHILLS.

NCZ003-019-VAZ032>035-150300-
/O.CON.KRNK.WI.Y.0023.000000T0000Z-101215T0300Z/
SURRY-WILKES-PATRICK-FRANKLIN-BEDFORD-AMHERST-
INCLUDING THE CITIES OF...DOBSON...WILKESBORO...STUART...
ROCKY MOUNT...BEDFORD...AMHERST
1246 PM EST TUE DEC 14 2010

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM EST THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM EST THIS EVENING. 

* WINDS...15 TO 30 MPH WITH GUSTS AS HIGH AS 50 MPH...MAINLY 
  ALONG AND NEAR THE BLUE RIDGE. SOME GUSTS RIGHT ALONG THE BLUE 
  RIDGE IN NORTH CAROLINA COULD REACH 60 MPH. 

* TIMING...STRONG GUSTY WINDS WILL CONTINUE TODAY THEN DIMINISH 
  TONIGHT. 

* IMPACTS...WIND CHILLS WILL BE IN THE SINGLE DIGITS ABOVE ZERO ALONG
  THE HIGHER ELEVATIONS OF THE BLUE RIDGE. SOME ISOLATED WIND
  DAMAGE AND POWER OUTAGES ARE POSSIBLE NEAR THE BLUE RIDGE TODAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION. WIND GUSTS RIGHT ALONG THE
BLUE RIDGE SOUTH OF MEADOWS OF THE DAN MAY APPROACH HIGH WIND
WARNING CRITERIA...BETWEEN 55 AND 60 MPH...WITH ISOLATED DAMAGE
POSSIBLE.

&&

$$

WERT
925 
WWUS71 KRNK 142311
NPWRNK

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BLACKSBURG VA
611 PM EST TUE DEC 14 2010

...WIND ADVISORY CANCELED...

.NORTHWEST WINDS ARE GUSTING INTO THE 25 TO 40 MPH
RANGE...ESPECIALLY ALONG THE HIGHER RIDGES...BUT ARE EXPECTED TO
CONTINUE VERY SLOWLY WEAKENING THROUGHOUT THE REST OF THE EVENING.
THESE VALUES ARE BELOW WIND ADVISORY CRITERIA...THEREFORE THE WIND ADVISORY
IS BEING CANCELED A FEW HOURS EARLY.

NCZ003-019-VAZ032>035-150015-
/O.CAN.KRNK.WI.Y.0023.000000T0000Z-101215T0300Z/
SURRY-WILKES-PATRICK-FRANKLIN-BEDFORD-AMHERST-
INCLUDING THE CITIES OF...DOBSON...WILKESBORO...STUART...
ROCKY MOUNT...BEDFORD...AMHERST
611 PM EST TUE DEC 14 2010

...WIND ADVISORY IS CANCELLED...

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

NORTHWEST WINDS ARE SLOWLY DROPPING BELOW ADVISORY CRITERIA...BUT
WILL STILL GUST TO 25 TO 35 MPH ALONG THE RIDGES THE REMAINDER OF
THE EVENING AND OVERNIGHT.

$$

SK

What forecasters said that day

The local office's own words before this wind advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Blacksburg, VA wrote its last area forecast discussion before this wind advisory went out at Dec 12, 10:08 PM EST, 33 minutes earlier.

Area forecast discussion, Dec 12, 10:08 PM EST, 33 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BLACKSBURG VA
1008 PM EST SUN DEC 12 2010

.SYNOPSIS...
AN ARCTIC COLD FRONT WILL SLIDE EAST OF THE REGION TONIGHT. STRONG
NORTHWEST WINDS AND MUCH COLDER AIR IN COMBINATION WITH A A COUPLE
OF DISTURBANCES WILL RESULT IN SNOW SHOWERS TONIGHT INTO TUESDAY
MORNING ACROSS THE MOUNTAINS. THIS SHOULD RESULT IN SIGNIFICANT
ACCUMULATIONS OF SNOW OVER THE MOUNTAINS OF WV...FAR WRN VA...AND
THE HIGH COUNTRY OF NC BEFORE HIGH PRESSURE FINALLY BUILDS IN BY
MIDWEEK.

&&

.NEAR TERM /THROUGH MONDAY NIGHT/...
FLOW HAS TURNED WEST TO NORTHWEST BUT MAIN ARCTIC FRONT STILL BACK
OVER CENTRAL KY AND FAR WRN WV. WHEN THIS ARRIVES NORTHWEST FLOW
SNOW AND WINDS WILL BOTH INCREASE EVEN MORE. STILL...A FEW INCHES
OF SNOW LATE THIS AFT/EVE ACROSS FAVORED AREAS OF WRN SLOPES...AS
WELL AS DUSTING TO HALF INCH WITH UPPER S/WV SNOW SHWRS THAT HAVE
MOVED NORTHWARD FROM NC FOOTHILLS INTO NEW RIVER VALLEY WITH
SNOW/RAIN SHWRS INTO PARTS OF PIEDMONT ALONG STATE LINE. DUSTING
IF ANYTHING IN THOSE LOCATIONS THROUGH MIDNIGHT BEFORE THIS AREA
OF PRECIP DISSIPATES AS IT CONTINUES TO MOVE NORTH. BY 1 AM...ALL
PRECIP CHANCES EAST OF BLUE RIDGE AHVE BEEN REMOVED...BUT WITH
CATEGORICAL TO LIKELY FAR WEST...AND HAVE LEFT REGIONS OF BLOWING
SNOW IN AFTER 09Z AS WINDS CONTINUE TO PICK UP AND SNOW HAS HAD A
CHANCE TO ACCUMULATE MORE.

DUE TO TEMPS THIS EVENING ACROSS MUCH OF NW NC SEVERAL DEGREES
BELOW PREVIOUS TRENDS...LOWERED MINS DOWN THAT WAY. BUFKIT
SOUNDINGS FROM NAM ALSO INDICATE WIND GUST POTENTIAL WELL OVER 40
KTS BY MORNING IN MANY LOCATIONS ALONG BLUE RIDGE AND INCREASING
TO AS MUCH AS 50 KTS IN HIGHEST ELEVATIONS THROUGH TUESDAY
MORNING. SINCE WE CURRENTLY HAVE NO HEADLINES FOR SOME OF THE BLUE
RDG ANMD FOOTHILL COUNTIES..DECIDED TO ISSUE WIND ADV FROM 6 AM
MONDAY THROUGH 7AM TUES. WE ARE ALSO READY MENTIONING THESE LEVEL
WINDS TO THE WEST WHERE WINTER STORM WARNINGS AND ADVISORIES ARE
ALREADY IN EFFECT. GIVEN TEH COLDER TEMPS AND SLIGHTLY INCREASED
WINDS OVERNIGHT INTO TOMORROW...NOW AHVE WIND CHILL VALUES WELL
BELOW ADV CRITERIA FOR NW MTNS AND GRAYSON CO VA. THEREFORE WILL
ALSO ADD A WIND CHIL ADV TO THE WSW PRODUCT...BUT SO FAR JUST FOR
LATE TONIGHT AND EARLY TOMORROW MORNING. WILL LIKELY NEED ANTOHER
WONE FOR MUCH LARGER AREAS MONDAY NIGHT.

SHOULD GET ALL THE UPDATED HAZARDS OUT BY 10:30 PM.

PREV DISCUSSION FROM SUNDAY AFTERNOON...

THE TRAJECTORY AND STRONG FORCING ALOFT WITH THE UPPER VORT WILL
BRING SNOW SHOWERS AS FAR EAST AS THE BLUE RIDGE MONDAY AFTN...BUT
HEAVIEST IS GOING TO BE FROM THE HIGH COUNTRY OF NC INTO MT ROGERS
NORTH ACROSS TAZEWELL COUNTY AND ACROSS THE WRN SLOPES OF SE WV
FROM BLUEFIELD/FLAT TOP TO QUINWOOD. AT THIS TIME...STILL LOOKS
LIKE A GENERAL 5 TO 12 INCH SNOW FROM THIS EVENING UNTIL TUESDAY
MORNING. ATTM...MTNS OVER WRN GREENBRIER COULD SEE UP TO 16
INCHES.

THE 8H JET STRENGTHENS MONDAY AFTN/EVENING AND THE MODEL SOUNDING
SHOW POTENTIAL GUSTS UP TO 50 KNOTS ACROSS THE MTNS. MAIN LIMITING
FACTOR WOULD BE CLOUD COVER...BUT WIND ADVISORY LEVELS ARE A GOOD
BEST OVER MOST OF THE MTNS. THIS WIND WILL BE COVERED IN THE WINTER
WX ADVISORIES/WARNINGS. OUTSIDE THE WINTER WX HEADLINES...THINK
ADVISORY LEVEL WINDS ARE POSSIBLE OVER THE NEW RIVER...ROANOKE AND
SRN SHENANDOAH VALLEY TO THE FOOTHILLS BY MONDAY MORNING. STRONGEST
JET ARRIVES MONDAY AFTN INTO MON NIGHT.

FINALLY...THE SNOW SHOWERS WILL START TO SUBSIDE BY LATE MON NIGHT
AS SHORTWAVE LIFTS NE OVER THE SWRN CWA BUT NW FLOW CONTINUES INTO
THE AREA SO KEEPING LIKELY POPS IN THE NC MTNS MON NIGHT. WIND
CHILLS SHOULD BE LOWERING BELOW ZERO BY MONDAY EVENING IN THE MTNS
AND AS LOW AS THE MINUS TEENS BY TUESDAY MORNING IN THE MTNS. EVEN
SOME -20 WIND CHILLS WILL BE POSSIBLE AT MT ROGERS AND HOT SPRINGS
VA. THE WIND CHILLS ARE ALSO COVERED IN THE WINTER WX HEADLINES AND
HWO.

&&

.SHORT TERM /TUESDAY THROUGH WEDNESDAY/...
SHORT TERM PERIOD WILL BE DOMINATED BY LARGE AND POTENT CLOSED UPPER
LOW THAT WILL DRIFT EAST FROM THE LOWER GREAT LAKES ON TUESDAY
MORNING...REACHING THE NEW ENGLAND COASTLINE BY WEDNESDAY EVENING AS
A SERIES OF INTENSE SURFACE LOW PRESSURE SYSTEMS PINWHEEL FROM OFF
THE NEW ENGLAND COASTLINE INTO THE JAMES BAY REGION. DEEP
NORTHWESTERLY FLOW AROUND THE UPPER LOW WILL MAINTAIN WELL BELOW
NORMAL TEMPERATURES THROUGH THE ENTIRE SHORT TERM PERIOD...ALONG
WITH UPSLOPING SNOW SHOWERS ACROSS THE WESTERN MOUNTAINS...GRADUALLY
ABATING BY WEDNESDAY EVENING.

COMBINATION OF STRONG AND GUSTY COLD ADVECTION WINDS AND LIGHT
ACCUMULATING SNOWS IN THE UPSLOPE AREAS OF THE WEST MAY EVENTUALLY
WARRANT AN EXTENSION OF WINTER RELATED HEADLINES WELL INTO
TUESDAY...MAINLY FOR A CONTINUED THREAT OF LIGHT ACCUMULATING
SNOWS...BLOWING SNOW...AND RELATIVELY LOW WIND CHILLS.

TEMPERATURES ACROSS THE ENTIRE BLACKSBURG FORECAST AREA NOT LIKELY
TO RISE ABOVE FREEZING THROUGH THE PERIOD...WITH PERHAPS EXCEPTION
OF THE EXTREME SOUTHEASTERN SECTIONS BY MID WEDNESDAY AFTERNOON...
WHERE COMBINATION OF DOWNSLOPING WINDS AND GOOD INSOLATION MAY ALLOW
FOR A BRIEF RECOVERY INTO THE MID 30S SOUTH AND EAST OF DANVILLE.

AS IS TYPICAL FOR UNUSUALLY COLD AIR MASSES...GUIDANCE TENDS TO
UNDERESTIMATE EXTENT OF INITIAL COOLING...AND USUALLY TOO AGGRESSIVE
IN MODERATING TEMPERATURES THEREAFTER...SO FAVORED THE COLDER MAVMOS
GUIDANCE...ESPECIALLY DURING THE DAYTIME PERIODS ACROSS WESTERN
UPSLOPE AREAS...WHICH WILL NOT RECEIVE MUCH DAYTIME INSOLATION.

&&

.LONG TERM /WEDNESDAY NIGHT THROUGH SUNDAY/...
LATEST RUN OF THE ECMWF MORE CONSISTENT WITH EARLIER AND CURRENT
RUN OF THE GFS IN ALLOWING UPPER FLOW TO SLOWLY BACK WEDNESDAY NIGHT
INTO THURSDAY AS UPPER LOW PRESSURE TO NORTHEAST SLOWLY RELAXES ITS
GRIP OVER THE MID ATLANTIC REGION.

FLOW ALOFT IS EXPECTED TO BACK SUFFICIENTLY IN ADVANCE OF NEXT SHORT
WAVE TROF IN SOUTHERN STREAM TO SUPPORT ADVECTION OF MID
TROPOSPHERIC MOISTURE...AND AS ISENTROPIC LIFT AND UPWARD VERTICAL
MOTION FIELDS INCREASE...SUFFICIENT LOWER TROPOSPHERIC SATURATION
SHOULD OCCUR BY DAYBREAK THURSDAY TO SUPPORT THE THREAT OF LIGHT
SNOW ACROSS THE SOUTHWESTERN HALF OF THE BLACKSBURG FORECAST
AREA...SPREADING EAST AND NORTH ON THURSDAY.

QUESTION STILL REMAINS CONCERNING HOW FAR NORTH THE DEEPER MOISTURE
AND ISENTROPIC LIFT WILL OCCUR ON THURSDAY...WITH NORTHERN EXTENT
BEING ULTIMATELY DETERMINED BY HOW MUCH BACKING OF THE FLOW ALOFT
CAN OCCUR BEFORE THE WAVE SLIPS BY TO THE SOUTH. FORECAST SOUNDINGS
BECOME INCREASINGLY PROBLEMATIC AS FAR AS PRECIPITATION TYPE ISSUES
AS THE DAY PROGRESSES...WITH MAINLY SNOW ACROSS THE NORTH...BUT WITH
A MIX OF SNOW/SLEET...AND PERHAPS SOME FREEZING RAIN CENTRAL...AND
LIGHT SLEET OR RAIN SOUTH.

ANY STRATIFORM PRECIPITATION EXPECTED TO GRADUALLY TRANSITION TO
MAINLY UPSLOPING SNOW SHOWERS ACROSS THE WESTERN MOUNTAINS LATER
THURSDAY NIGHT INTO THE WEEKEND AS NORTHEASTERN UPPER TROF
REAMPLIFIES OVER THE AREA...SETTING THE STAGE FOR ANOTHER PROLONGED
PERIOD OF NORTHWEST FLOW AND COLD ADVECTION.

HPC GUIDANCE LOOKED REASONABLE THROUGH THE ENTIRE LONG RANGE PERIOD
AND WAS GENERALLY ACCEPTED...WITH THE EXCEPTION OF MAKING SOME
TWEAKS TO REFLECT LOCAL CLIMATOLOGICAL BIASES.

&&

.AVIATION /03Z MONDAY THROUGH FRIDAY/...
INCREASING DOWNSLOPING WINDS EAST OF THE BLUE RIDGE WILL ALLOW
MVFR TO IFR/LIFR FLIGHT RESTRICTIONS WITH AREAS OF RAIN/SNOW TO
GRADUALLY IMPROVE BACK TO VFR WEATHER BY/AROUND 03Z/10PM AS
RAIN/SNOW GRADUALLY ENDS.

WEST OF THE BLUE RIDGE...PERSISTENT UPSLOPING WINDS AND ASSOCIATED
SNOW SHOWERS WILL MAINTAIN MAINLY IFR RESTRICTIONS TO CEILING AND
VISIBILITY AT/NEAR KBLF AND KLWB ALONG WITH LOCAL OBSCURATIONS
ALONG/NEAR RIDGE LINES...THROUGH AT LEAST TUESDAY...AND PERHAPS
INTO WEDNESDAY.

SIMILAR TO THE STORM OF LAST WEEK...A STRONG PRESSURE GRADIENT
WILL BECOME ESTABLISHED OVER THE MID APPALACHIAN AND MID ATLANTIC
REGION FOR THE NEXT SEVERAL DAYS. STRONG CROSS-BARRIER FLOW OVER
THE MOUNTAINS WILL SUPPORT SURFACE WIND GUSTS INTO THE 30-40 KNOT
RANGE FROM LATE TONIGHT INTO TUESDAY...BEFORE GRADUALLY ABATING
OVER THE AREA LATER TUESDAY INTO WEDNESDAY.

ANY REGIONAL IMPROVEMENT OF THE WEATHER BACK INTO THE VFR RANGE
WITH RELATIVELY CALM WINDS ON/BY WEDNESDAY WILL BE SHORT LIVED.
NEXT WEATHER MAKER FROM SOUTHWEST MAY VERY WELL LOWER FLIGHT
RESTRICTIONS BACK INTO THE MVFR TO IFR RANGE ACROSS ALL TERMINAL
FORECAST SITES WEDNESDAY NIGHT INTO THURSDAY WITH ONSET OF
ANOTHER WINTRY MIX OF PRECIPITATION.

ALTHOUGH POST STORM DOWNSLOPING SHOULD HELP TO BRING CONDITIONS
BACK INTO THE VFR RANGE EAST OF THE BLUE RIDGE ON/BY FRIDAY...ANOTHER
ROUND OF UPSLOPING WEST OF THE BLUE RIDGE SHOULD MAINTAIN AT LEAST
MVFR CONDITIONS THURSDAY NIGHT THROUGH AT LEAST FRIDAY AT/NEAR KBLF
AND KLWB.

&&

.RNK WATCHES/WARNINGS/ADVISORIES...
VA...WIND ADVISORY FROM 5 AM MONDAY TO 7 AM EST TUESDAY FOR VAZ013-
     014-016>018-022-032-033.
     WINTER WEATHER ADVISORY UNTIL 7 AM EST TUESDAY FOR VAZ011-012-
     019-020.
     WINTER STORM WARNING UNTIL 7 AM EST TUESDAY FOR VAZ007-009-010-
     015.
     WIND CHILL ADVISORY UNTIL 10 AM EST MONDAY FOR VAZ015.
NC...WIND ADVISORY FROM 5 AM MONDAY TO 7 AM EST TUESDAY FOR NCZ002-
     003-019.
     WINTER STORM WARNING UNTIL 7 AM EST TUESDAY FOR NCZ001-018.
     WIND CHILL ADVISORY UNTIL 10 AM EST MONDAY FOR NCZ001-002-018.
WV...WINTER WEATHER ADVISORY UNTIL 7 AM EST TUESDAY FOR WVZ044.
     WINTER STORM WARNING UNTIL 7 AM EST TUESDAY FOR WVZ042-043-045.

&&

SYNOPSIS...JH/WP
NEAR TERM...SK/WP
SHORT TERM...WERT
LONG TERM...WERT
AVIATION...WERT
Hazardous weather outlook, Dec 12, 12:16 PM EST, 10 hours 25 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BLACKSBURG VA
1216 PM EST SUN DEC 12 2010

NCZ001-018-VAZ015-131730-
ASHE-WATAUGA-GRAYSON-
1216 PM EST SUN DEC 12 2010

...WINTER STORM WARNING IN EFFECT UNTIL 7 AM EST TUESDAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWEST NORTH CAROLINA AND
SOUTHWEST VIRGINIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   WINTER STORM WARNING.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   WINTER STORM WARNING.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ENCOURAGED TO SEND IN SNOWFALL REPORTS.

WVZ045-131730-
GREENBRIER-
1216 PM EST SUN DEC 12 2010

...WINTER STORM WARNING IN EFFECT UNTIL 7 AM EST TUESDAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST WEST VIRGINIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   WINTER STORM WARNING.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   WINTER STORM WARNING.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ENCOURAGED TO SEND IN SNOWFALL REPORTS.

VAZ007-009-010-WVZ042-043-131730-
TAZEWELL-SMYTH-BLAND-MERCER-SUMMERS-
1216 PM EST SUN DEC 12 2010

...WINTER STORM WARNING IN EFFECT UNTIL 7 AM EST TUESDAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHWEST VIRGINIA AND
SOUTHEAST WEST VIRGINIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   WINTER STORM WARNING.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   WINTER STORM WARNING.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ENCOURAGED TO SEND IN SNOWFALL REPORTS.

VAZ011-012-019-020-WVZ044-131730-
GILES-WYTHE-ALLEGHANY VA-BATH-MONROE-
1216 PM EST SUN DEC 12 2010

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 7 AM EST TUESDAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHWEST VIRGINIA...WEST
CENTRAL VIRGINIA AND SOUTHEAST WEST VIRGINIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   WINTER WEATHER ADVISORY.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   WINTER WEATHER ADVISORY.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ENCOURAGED TO SEND IN SNOWFALL REPORTS.

NCZ002-VAZ013-014-016>018-022>024-131730-
ALLEGHANY NC-PULASKI-MONTGOMERY-CARROLL-FLOYD-CRAIG-ROANOKE-
BOTETOURT-ROCKBRIDGE-
1216 PM EST SUN DEC 12 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWEST NORTH
CAROLINA...SOUTHWEST VIRGINIA AND WEST CENTRAL VIRGINIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

SNOW SHOWERS WILL BE SCATTERED LATE THIS AFTERNOON BECOMING MORE
NUMEROUS IN THE MOUNTAINS TONIGHT. SNOWFALL THROUGH TONIGHT WILL
BE AROUND AN INCH OR LESS.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

SNOW SHOWERS WILL BE AROUND INTO MONDAY NIGHT. NORTHWEST WINDS
WILL INCREASE AND COULD GUST UP TO 50 MPH MONDAY. IN ADDITION WIND
CHILLS MONDAY NIGHT WILL DROP BELOW ZERO.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

NCZ003>006-019-020-VAZ032>035-043>047-058-059-131730-
SURRY-STOKES-ROCKINGHAM-CASWELL-WILKES-YADKIN-PATRICK-FRANKLIN-
BEDFORD-AMHERST-HENRY-PITTSYLVANIA-CAMPBELL-APPOMATTOX-BUCKINGHAM-
HALIFAX-CHARLOTTE-
1216 PM EST SUN DEC 12 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL NORTH
CAROLINA...NORTHWEST NORTH CAROLINA...CENTRAL VIRGINIA...SOUTH
CENTRAL VIRGINIA...SOUTHWEST VIRGINIA AND WEST CENTRAL VIRGINIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

HAZARDOUS WEATHER IS NOT EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

STRONG NORTHWEST WINDS GUSTING TO 40 MPH OR HIGHER MAY OCCUR AT
TIMES FROM MONDAY MORNING THROUGH TUESDAY BEHIND A STRONG COLD
FRONT THAT WILL CROSS THE REGION ON SUNDAY. WIND CHILLS LATE
MONDAY NIGHT INTO TUESDAY MORNING WILL BE IN THE SINGLE DIGITS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Special weather statement, Dec 12, 9:29 PM EST, 1 hour 12 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
929 PM EST SUN DEC 12 2010

NCZ003-004-019-020-VAZ013-014-016>018-022-032-130700-
SURRY-STOKES-WILKES-YADKIN-PULASKI-MONTGOMERY-CARROLL-FLOYD-CRAIG-
ROANOKE-PATRICK-
INCLUDING THE CITIES OF...DOBSON...DANBURY...WILKESBORO...
YADKINVILLE...PULASKI...RADFORD...BLACKSBURG...GALAX...FLOYD...
NEW CASTLE...ROANOKE...SALEM...STUART
929 PM EST SUN DEC 12 2010

...ICY ROAD CONDITIONS LIKELY TONIGHT...

TEMPERATURES ACROSS THE AREA CONTINUE TO DROP BEHIND A STRONG COLD
FRONT. MOST LOCATIONS ARE BELOW FREEZING...AND THOSE THAT ARE NOT
WILL DROP BELOW BY 10 PM. THESE RAPIDLY DROPPING TEMPERATURES
COMBINED WITH LEFTOVER WATER ON ROADWAYS...WILL CREATE AREAS OF
BLACK ICE. IN ADDITION...SNOW SHOWERS WILL COAT AREA ROADWAYS
ADDING TO THE POTENTIAL OF SLICK SPOTS. USE EXTRA CAUTION IF OUT
TRAVELING TONIGHT.
Special weather statement, Dec 12, 9:39 PM EST, 1 hour 2 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
939 PM EST SUN DEC 12 2010

NCZ002>004-019-020-VAZ013-014-016>018-022-032-130700-
ALLEGHANY NC-SURRY-STOKES-WILKES-YADKIN-PULASKI-MONTGOMERY-
CARROLL-FLOYD-CRAIG-ROANOKE-PATRICK-
INCLUDING THE CITIES OF...SPARTA...DOBSON...DANBURY...
WILKESBORO...YADKINVILLE...PULASKI...RADFORD...BLACKSBURG...
GALAX...FLOYD...NEW CASTLE...ROANOKE...SALEM...STUART
939 PM EST SUN DEC 12 2010

...ICY ROAD CONDITIONS LIKELY TONIGHT...

TEMPERATURES ACROSS THE AREA CONTINUE TO DROP BEHIND A STRONG COLD
FRONT. MOST LOCATIONS ARE BELOW FREEZING...AND THOSE THAT ARE NOT
WILL DROP BELOW BY 10 PM. THESE RAPIDLY DROPPING TEMPERATURES
COMBINED WITH LEFTOVER WATER ON ROADWAYS...WILL CREATE AREAS OF
BLACK ICE. IN ADDITION...SNOW SHOWERS WILL COAT AREA ROADWAYS
ADDING TO THE POTENTIAL OF SLICK SPOTS. USE EXTRA CAUTION IF OUT
TRAVELING TONIGHT.

MC

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 12, 10:25 PM ESTWind Chill AdvisoryRNKAlleghany, Ashe, Watauga7 hr
Dec 13, 5:29 AM ESTWind Chill AdvisoryRNKAlleghany, Ashe, Watauga52 hr

Nearby

Wind Advisories in Virginia, 2010Wind Advisories in North Carolina, 2010Every wind advisory in 2010

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.