Alert archive / North Carolina / Wind Advisories in 2013

Wind Advisory 15, NWS Greenville-Spartanburg, SC

December 10, 201311 counties in North Carolina

NWS Greenville-Spartanburg, SC issued this wind advisory at Dec 10, 2013, 2:52 AM EST for 11 counties in North Carolina. It took effect at Dec 10, 2013, 12:00 PM EST. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Dec 10, 2013, 2:52 AM EST (07:52 UTC)
In effect from
Dec 10, 2013, 12:00 PM EST
Expired
Dec 10, 2013, 7:55 PM EST
In force
8 hr
Issued by
NWS Greenville-Spartanburg, SC

Counties Avery County, NC, Buncombe County, NC, Burke County, NC, Caldwell County, NC, Haywood County, NC, Henderson County, NC, Madison County, NC, McDowell County, NC, Mitchell County, NC, Transylvania County, NC, Yancey County, NC

The radar

The Greer radar (KGSP), 93 km from the middle of the area, began a volume at 07:54 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

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 7.9 hours before the alert went out and 219 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, Greensboro/Hi Pt, NC at 00:00Z on 2013-12-10Temperature 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, Greensboro/Hi Pt, NC at 00:00Z on 2013-12-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -41 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
693 m above ground
0-6 km bulk shear
72 kt
0-1 km storm-relative helicity
-41 m²/s²
0-3 km storm-relative helicity
34 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.

000 
WWUS72 KGSP 100752
NPWGSP

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
252 AM EST TUE DEC 10 2013

...VERY WINDY CONDITIONS EXPECTED THIS AFTERNOON AND EVENING
ACROSS THE NORTHERN AND CENTRAL MOUNTAINS OF NORTH CAROLINA...

.HIGH PRESSURE BUILDING INTO THE MOUNTAINS FROM THE WEST BEHIND A
DEPARTING COLD FRONT WILL GENERATE VERY WINDY CONDITIONS ACROSS
THE HIGHER TERRAIN THIS AFTERNOON AND EVENING.

NCZ033-048>050-052-053-064-065-501-503-505-101700-
/O.NEW.KGSP.WI.Y.0015.131210T1700Z-131211T0500Z/
AVERY-MADISON-YANCEY-MITCHELL-HAYWOOD-BUNCOMBE-TRANSYLVANIA-
HENDERSON-CALDWELL MOUNTAINS-BURKE MOUNTAINS-MCDOWELL MOUNTAINS-
INCLUDING THE CITIES OF...NEWLAND...SPRUCE PINE...WAYNESVILLE...
ASHEVILLE...BREVARD...HENDERSONVILLE
252 AM EST TUE DEC 10 2013

...WIND ADVISORY IN EFFECT FROM NOON TODAY TO MIDNIGHT EST
TONIGHT...

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED
A WIND ADVISORY...WHICH IS IN EFFECT FROM NOON TODAY TO MIDNIGHT
EST TONIGHT.

* LOCATIONS...THE CENTRAL AND NORTHERN MOUNTAINS OF WESTERN NORTH
  CAROLINA.

* HAZARDS...VERY WINDY CONDITIONS.

* TIMING...WINDS WILL TURN SHARPLY NORTHWEST THIS MORNING AND
  INCREASE IN SPEED AROUND NOON. THE STRONGEST WIND GUSTS WILL
  OCCUR DURING THE AFTERNOON AND EVENING HOURS...WITH WINDS
  ABATING OVERNIGHT.

* WINDS...NORTHWEST 20 TO 30 MPH...WITH GUSTS OF 40 TO 50 MPH AT
  TIMES...ESPECIALLY AT THE HIGHER ELEVATIONS.

* IMPACTS...THE GUSTY WINDS MAY BLOW ABOUT UNSECURED OBJECTS AND
  MAKE TRAVEL DIFFICULT FOR HIGH PROFILE VEHICLES. ISOLATED POWER
  OUTAGES COULD RESULT FROM DOWNED TREE LIMBS.

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.

&&

$$

GERAPETRITIS
4 follow-up statements
000 
WWUS72 KGSP 101716
NPWGSP

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1216 PM EST TUE DEC 10 2013

...VERY WINDY CONDITIONS EXPECTED THROUGH THIS EVENING ACROSS THE
NORTHERN AND CENTRAL MOUNTAINS OF NORTH CAROLINA...

.HIGH PRESSURE BUILDING INTO THE MOUNTAINS FROM THE WEST BEHIND A
DEPARTING COLD FRONT WILL GENERATE VERY WINDY CONDITIONS ACROSS
THE HIGHER TERRAIN THIS AFTERNOON AND EVENING.

NCZ033-048>050-052-053-064-065-501-503-505-110500-
/O.CON.KGSP.WI.Y.0015.000000T0000Z-131211T0500Z/
AVERY-MADISON-YANCEY-MITCHELL-HAYWOOD-BUNCOMBE-TRANSYLVANIA-
HENDERSON-CALDWELL MOUNTAINS-BURKE MOUNTAINS-MCDOWELL MOUNTAINS-
INCLUDING THE CITIES OF...NEWLAND...SPRUCE PINE...WAYNESVILLE...
ASHEVILLE...BREVARD...HENDERSONVILLE
1216 PM EST TUE DEC 10 2013

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

* LOCATIONS...THE CENTRAL AND NORTHERN MOUNTAINS OF WESTERN 
  NORTH CAROLINA.

* HAZARDS...VERY WINDY CONDITIONS.

* TIMING...THE AFTERNOON AND EVENING HOURS...WITH WINDS ABATING
  OVERNIGHT.

* WINDS...NORTHWEST 20 TO 30 MPH...WITH GUSTS OF 40 TO 50 MPH AT 
  TIMES...ESPECIALLY AT THE HIGHER ELEVATIONS.

* IMPACTS...THE GUSTY WINDS MAY BLOW ABOUT UNSECURED OBJECTS AND 
  MAKE TRAVEL DIFFICULT FOR HIGH PROFILE VEHICLES. ISOLATED 
  POWER OUTAGES COULD RESULT FROM DOWNED TREE LIMBS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH...OR WIND GUSTS OF 46
TO 57 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING
DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA
CAUTION.

&&

$$
000 
WWUS72 KGSP 102344
NPWGSP

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
644 PM EST TUE DEC 10 2013

...VERY WINDY CONDITIONS TO SLOWLY DIMINISH THROUGH THIS
EVENING... 

.THE VERY WINDY CONDITIONS ACROSS THE HIGHER TERRAIN WILL SLOWLY
DIMINISH THIS EVENING AS HIGH PRESSURE BUILDS IN FROM THE WEST. 

NCZ033-048>050-052-053-064-065-501-503-505-110500-
/O.CON.KGSP.WI.Y.0015.000000T0000Z-131211T0500Z/
AVERY-MADISON-YANCEY-MITCHELL-HAYWOOD-BUNCOMBE-TRANSYLVANIA-
HENDERSON-CALDWELL MOUNTAINS-BURKE MOUNTAINS-MCDOWELL MOUNTAINS-
INCLUDING THE CITIES OF...NEWLAND...SPRUCE PINE...WAYNESVILLE...
ASHEVILLE...BREVARD...HENDERSONVILLE
644 PM EST TUE DEC 10 2013

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

* LOCATIONS...THE CENTRAL AND NORTHERN MOUNTAINS OF WESTERN 
  NORTH CAROLINA.

* HAZARDS...VERY WINDY CONDITIONS.

* TIMING...EARLY EVENING...WITH WINDS ABATING BY MIDNIGHT.

* WINDS...NORTHWEST 15 TO 25 MPH WITH GUSTS UP TO 5O MPH...MAINLY
  AT THE HIGHER ELEVATIONS.

* IMPACTS...THE GUSTY WINDS MAY BLOW ABOUT UNSECURED OBJECTS AND
  MAKE TRAVEL DIFFICULT FOR HIGH PROFILE VEHICLES. THE VERY WET
  SOIL CONDITIONS COULD ALSO LEAD TO DOWNED TREES RESULTING IN
  ISOLATED POWER OUTAGES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH...OR WIND GUSTS OF
46 TO 57 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING
DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA
CAUTION.

&&

$$
000 
WWUS72 KGSP 102346 CCA
NPWGSP

URGENT - WEATHER MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
645 PM EST TUE DEC 10 2013

...VERY WINDY CONDITIONS TO SLOWLY DIMINISH THROUGH THIS
EVENING... 

.THE VERY WINDY CONDITIONS ACROSS THE HIGHER TERRAIN WILL SLOWLY
DIMINISH THIS EVENING AS HIGH PRESSURE BUILDS IN FROM THE WEST. 

NCZ033-048>050-052-053-064-065-501-503-505-110500-
/O.COR.KGSP.WI.Y.0015.000000T0000Z-131211T0500Z/
AVERY-MADISON-YANCEY-MITCHELL-HAYWOOD-BUNCOMBE-TRANSYLVANIA-
HENDERSON-CALDWELL MOUNTAINS-BURKE MOUNTAINS-MCDOWELL MOUNTAINS-
INCLUDING THE CITIES OF...NEWLAND...SPRUCE PINE...WAYNESVILLE...
ASHEVILLE...BREVARD...HENDERSONVILLE
645 PM EST TUE DEC 10 2013

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

* LOCATIONS...THE CENTRAL AND NORTHERN MOUNTAINS OF WESTERN 
  NORTH CAROLINA.

* HAZARDS...VERY WINDY CONDITIONS.

* TIMING...EARLY EVENING...WITH WINDS ABATING BY MIDNIGHT.

* WINDS...NORTHWEST 15 TO 25 MPH WITH GUSTS UP TO 50 MPH...MAINLY
  AT THE HIGHER ELEVATIONS.

* IMPACTS...THE GUSTY WINDS MAY BLOW ABOUT UNSECURED OBJECTS AND
  MAKE TRAVEL DIFFICULT FOR HIGH PROFILE VEHICLES. THE VERY WET
  SOIL CONDITIONS COULD ALSO LEAD TO DOWNED TREES RESULTING IN
  ISOLATED POWER OUTAGES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH...OR WIND GUSTS OF
46 TO 57 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING
DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA
CAUTION.

&&

$$
000 
WWUS72 KGSP 110055
NPWGSP

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
755 PM EST TUE DEC 10 2013

NCZ033-048>050-052-053-064-065-501-503-505-110200-
/O.CAN.KGSP.WI.Y.0015.000000T0000Z-131211T0500Z/
AVERY-MADISON-YANCEY-MITCHELL-HAYWOOD-BUNCOMBE-TRANSYLVANIA-
HENDERSON-CALDWELL MOUNTAINS-BURKE MOUNTAINS-MCDOWELL MOUNTAINS-
INCLUDING THE CITIES OF...NEWLAND...SPRUCE PINE...WAYNESVILLE...
ASHEVILLE...BREVARD...HENDERSONVILLE
755 PM EST TUE DEC 10 2013

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS
CANCELLED THE WIND ADVISORY.

WINDS CONTINUE TO DIMINISH ACROSS THE MOUNTAINS AND HAVE FALLEN
BELOW ADVISORY LEVEL. HOWEVER...GUSTY WINDS WILL CONTINUE THROUGH
MIDNIGHT...ESPECIALLY AT THE HIGHER ELEVATIONS.

$$

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 Greenville-Spartanburg, SC wrote its last area forecast discussion before this wind advisory went out at Dec 10, 2:25 AM EST, 27 minutes earlier.

Area forecast discussion, Dec 10, 2:25 AM EST, 27 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
225 AM EST TUE DEC 10 2013

.SYNOPSIS...
LOW PRESSURE AND ABUNDANT MOISTURE WILL MOVE NORTHEAST ALONG A
STALLED FRONT INTO THE WESTERN CAROLINAS AND NORTHEAST GEORGIA
TODAY...THEN THE FRONT WILL MOVE EAST OF THE REGION THIS AFTERNOON.
RELATIVELY COLD AND DRY HIGH PRESSURE WILL THEN MOVE BACK INTO THE
CAROLINAS FROM THE WEST TONIGHT AND REMAIN OVER THE REGION THROUGH
FRIDAY. ANOTHER LOW PRESSURE SYSTEM SHOULD DEVELOP TO OUR WEST ON
SATURDAY AND BRING MORE WIDESPREAD PRECIPITATION TO THE REGION OVER
THE WEEKEND.

&&

.NEAR TERM /THROUGH TONIGHT/...
AS OF 230 AM EST...WATER VAPOR IMAGERY DEPICTS A SRN STREAM
SHORTWAVE MOVING INTO THE MS RIVER VALLEY EARLY THIS MORNING.
CONSIDERABLE SHOWER ACTIVITY AHEAD OF THIS FEATURE IS INDICATED ON
RADAR FROM ERN AL TO THE SW NC MTNS...AND COVERAGE WILL DEVELOP EWD
WITH IMPROVING UPGLIDE OVER THE FOOTHILLS AND PIEDMONT THROUGH
DAYBREAK. IN ADDITION...SFC LOW PRES RESPONDING TO THE WEAK FORCING
WILL DEVELOP ALONG THE FRONTAL BOUNDARY OVER THE DEEP S EARLY THIS
MORNING AND RIDE UP INTO THE WRN CAROLINAS BY DAYBREAK. TWO QPF
MAXIMA WILL RESULT FROM THESE FORCING FEATURES...ONE OVER THE NC
MTNS AND ANOTHER IN THE PIEDMONT JUST E OF THE CWFA. INSTABILITY
CONTINUES TO APPEAR QUITE LIMITED ACROSS THE REGION THIS MORNING
AHEAD OF THESE FEATURES...BUT ISOLD TSTMS COULD SURVIVE INTO THE SW
MTNS THROUGH DAYBREAK. THE DEEPEST MOISTURE WILL AFFECT THE SW MTNS
CIRCA 09Z...MOVE TO THE BLUE RIDGE BY 12Z...THEN TO THE PIEDMONT BY
15Z BEFORE CLEARING THIS AFTN AS THE SHEARING UPPER WAVE GETS
ABSORBED BACK INTO THE NRN STREAM AND PASSES MAINLY N OF OUR
FORECAST AREA. THE PRECIPITATION SHOULD BE TOO SHORT IN
DURATION...WITH TOO LIMITED RATES...FOR ANY HYDRO CONCERNS DESPITE
THE HIGHER LEVELS OF MAIN STEM RIVERS AND MOUNTAINS CREEKS FROM
RECENT RAINFALL.

FOLLOWING THE WAVE PASSAGE AND ASSOCIATED FROPA...COLD ADVECTION
WILL ALLOW SNOW LEVELS TO PLUNGE ACROSS THE WRN MOUNTAINS BY LATE
MORNING THROUGH THE AFTN...BUT WITH QPF DRYING UP RAPIDLY TO LIMIT
SNOW SHOWERS. IN ADDITION...ANY NW FLOW MOISTURE THIS AFTERNOON WILL
BE SHALLOW AND BRIEF. MAXIMUM SNOW ACCUMS OF AN INCH WILL BE
POSSIBLE ALONG THE HIGHER RIDGES OF THE WRN MTNS THIS AFTN. WINDY
CONDITIONS WILL KICK UP IN THE COLD ADVECTION THIS AFTERNOON AND
EVENING BEFORE THE GRADIENT DIMINISHES OVERNIGHT AS SFC HIGH PRES
SETTLES OVER THE SRN APPALACHIANS. FAIRLY STRONG MID LEVEL
FRONTOGENESIS ALONG WITH A 45 KT JET IN THE BEST COLD ADVECTION WILL
ALLOW WIND GUSTS TO APPROACH ADVISORY CRITERIA AT TIMES LATE TODAY
ACROSS THE CENTRAL AND NORTHERN MOUNTAINS. A WIND ADVISORY WILL BE
POSTED FOR THESE AREAS FROM NOON TO MIDNIGHT.

&&

.SHORT TERM /WEDNESDAY THROUGH THURSDAY NIGHT/...
AS OF 100 AM EST TUESDAY...DRY AND COOL CONDITIONS WILL PREVAIL
THROUGH THE SHORT TERM PERIOD AS ZONAL FLOW ALOFT COMBINES WITH COLD
ADVECTION AT THE SURFACE AS HIGH PRESSURE SETTLES ACROSS THE OHIO
VALLEY BY WEDNESDAY MORNING.  MEANWHILE...UPPER TROF WILL CONTINUE
TO DIG ACROSS THE UPPER MIDWEST AS A COLD FRONT PUSHES SOUTHEAST
INTO THE MID MISSISSIPPI RIVER VALLEY.  AS FOR NORTHEAST GA AND THE
WESTERN CAROLINAS...CLEAR SKIES AND BELOW NORMAL TEMPERATURES WILL
CONTINUE THROUGH THE DAY ON WEDNESDAY AS HIGH PRESSURE DOMINATES.
NORTHERN STREAM UPPER TROF WILL EJECT TO THE NORTHEAST OVERNIGHT
WEDNESDAY AND INTO THURSDAY MORNING.  MODELS REMAIN CONSISTENT WITH
REGARDS TO MAXIMUM DEEP LAYER FORCING/MOISTURE ASSOCIATED WITH THE
TROF AXIS PASSING BY WELL TO THE NORTH OF THE SOUTHERN APPALACHIANS
REGION.  THE TRAILING COLD FRONT IS LIKELY TO ENTER THE WESTERN NC
MOUNTAINS EARLY ON THURSDAY MORNING AND CONTINUE THROUGH THE
REMAINDER OF THE FORECAST AREA THROUGH THE AFTERNOON HOURS.  AT THIS
TIME...OTHER THAN SLIGHT INCREASES IN CLOUD COVER ASSOCIATED WITH
WEAK UPSLOPE FORCING ALONG THE HIGH TERRAIN...NO SIGNIFICANT IMPACTS
ARE EXPECTED WITH THIS FROPA.

BEHIND THE FRONT...CANADIAN HIGH PRESSURE WILL FILL IN FROM THE WEST
LEADING TO CONTINUED COLD ADVECTION PATTERN.  TEMPERATURES DURING
THE AFTERNOON HOURS ON THURSDAY WILL STRUGGLE TO TOP THE UPPER 40S
ACROSS THE PIEDMONT WITH MUCH COOLER TEMPERATURES IN THE HIGH
TERRAIN WHERE INCREASED NORTHWESTERLY WINDS WILL YIELD WIND CHILLS
IN THE SINGLE DIGITS.  TEMPERATURES WILL FALL OFF DIURNALLY AFTER
SUNSET THURSDAY EVENING LEADING TO OVERNIGHT LOWS WELL BELOW NORMAL
FOR THE ENTIRE REGION.

&&

.LONG TERM /FRIDAY THROUGH MONDAY/...
AS OF 2 AM EST TUESDAY...THE MEDIUM RANGE FCST PICKS UP AT 12Z ON
FRIDAY WITH HEIGHTS RISING AS THE UPPER TROF LIFTS NE AND THE CLOSED
H5 LOW OPENS BACK UP AND MORPHS INTO A HEALTHY LOOKING SHORTWAVE AS
IT MOVES EASTWARD. THE UPPER TROF BEGINS TO REINFORCE ITSELF AGAIN
ON SATURDAY...HOWEVER AS WE MOVE INTO SUN AND MON...THE LONG RANGE
MODELS CONTINUE TO DIVERGE WRT TO THE UPPER SYNOPTIC PATTERN. THE
LATEST 00Z RUN OF THE GFS IS MORE AMPLIFIED WITH THE UPPER TROF AS
IT DROPS DOWN OVER THE GREAT LAKES AND TOWARDS OUR AREA. THE OLDER
RUN OF THE ECMWF MAINTAINS A BROADER AND LESS AMPLIFIED TROF INTO
MONDAY. BOTH MODELS SEEM TO COME BACK INTO BETTER AGREEMENT BY DAY 7
AND FLATTEN OUT THE PATTERN AS THE UPPER TROF LIFTS TO THE NE.

AT THE SFC...THE MODELS ARE IN SIG BETTER AGREEMENT THRU MOST OF THE
PERIOD THAN THEY HAVE BEEN THE PAST FEW DAYS. ON
FRIDAY...REINFORCING HIGH PRESSURE WILL LIKELY BE CENTERED RIGHT
OVER THE CWFA WITH COOL AND DRY AIR IN PLACE. AS THE HIGH SHIFTS
EASTWARD...SLY LOW LVL FLOW WILL SPREAD OVER THE AREA AND DEEP LAYER
MOISTURE WILL INCREASE MARKEDLY BY EARLY SAT MORNING. BOTH THE GFS
AND ECMWF ARE NOW SPINNING UP A LARGE LOW OVER THE SOUTHERN MISS
RIVER VALLEY EARLY SAT AND MOVING THAT LOW RIGHT OVER THE CAROLINAS
DURING THE AFTERNOON/EVENING. THIS SHOULD BRING WIDESPREAD SHOWERS
TO THE CWFA AND POSSIBLY SOME FREEZING RAIN/WINTRY MIX TO THE
NORTHERN NC MTS SAT MORNING. ICE ACCUMS ARE EXPECTED TO MINIMAL AT
THIS POINT...YET SOME IMPACTS ARE CERTAINLY POSSIBLE. AS WE MOVE
INTO LATE SAT NIGHT AND SUN MORNING...NWLY FLOW SPREADS BACK OVER
THE CWFA FROM THE NW AND SOME LIGHT SNOW SHOWERS ARE POSSIBLE OVER
THE HIGHER TERRAIN ESPECIALLY ACROSS THE NORTHERN NC MTS. AT THE
PRESENT TIME...1 AND 3 INCHES OF SNOW ARE FCST...BUT THESE AMOUNTS
COULD CHANGE CONSIDERABLY AS THE PATTERN EVOLVES. NO ADDITIONAL
PRECIP IS EXPECTED FROM MONDAY ONWARD AS ANOTHER ROUND OF HIGH
PRESSURE SLIDES BACK OVER THE REGION. TEMPS WERE NOT CHANGED
SIG AND SHOULD REMAIN BELOW CLIMO FOR THE ENTIRE PERIOD
WITH THE COLDEST VALUES EXPECTED ON DAYS 6 AND 7.

&&

.AVIATION /08Z TUESDAY THROUGH SATURDAY/...
AT KCLT...SOLID LIFR CIGS WILL DEVELOP AT THE AIRFIELD THROUGH THE
MORNING HOURS...WITH PRECIPITATION COVERAGE STEADILY INCREASING AS
UPGLIDE IMPROVES AND SFC LOW PRESSURE MOVES INTO THE REGION FROM THE
SW. EXPECT LIGHT SRLY FLOW TO TURN SW THROUGH THE MORNING HOURS. THE
SW FLOW WILL BE QUITE STOUT JUST ABOVE THE SFC THIS MORNING...BUT
WITH SHEAR LAYERS TOO GRADUAL FOR A LLWS MENTION. EXPECT AN ABRUPT
WIND SHIFT TO THE NW AFTER 15Z WITH FROPA...ALONG WITH GRADUAL
SCOURING AND SCATTERING OF THE LOW CLOUDS. GUSTY CONDITIONS WILL SET
UP THROUGH THE AFTN HOURS IN IMPROVING COLD ADVECTION. GUSTS WILL
DIMINISH TOWARD EVENING WITH WEAK DECOUPLING AS SKIES CONTINUE TO
CLEAR.

ELSEWHERE...RAIN AND SHOWERS WILL STEADILY FILL BACK IN FROM THE
WEST THROUGH THE EARLY MORNING HOURS AS LOW PRESSURE RIDES UP A
STALLED FRONT TOWARD THE REGION AND A WEAK UPPER SHORTWAVE
APPROACHES FROM THE WEST. EXPECT MAINLY LIFR CONDITIONS AT MOST
SITES...BUT WITH HIGHLY VARYING CONDITIONS WITH MIXING FROM ANY
SHOWERS...AND WITH MAINLY MVFR TEMPO IFR AT KAVL. WINDS WILL TURN
QUICKLY NORTHWEST WITH FROPA 12Z TO 15Z TODAY...USHERING IN GUSTS
NEAR 30 KT AT KAVL BY 17Z...AND GUSTS INTO THE LOWER 20S AT THE
FOOTHILL SITES. WINDS WILL DECOUPLE THIS EVENING ALL BUT KAVL.

OUTLOOK...DRY HIGH PRESSURE WILL SET UP OVER THE REGION WED THROUGH
FRI. A STORM SYSTEM WILL ARRIVE FROM THE WEST BY SATURDAY WITH
RESTRICTIONS LIKELY.

CONFIDENCE TABLE...

            07-13Z        13-19Z        19-01Z        01-07Z
KCLT       HIGH  81%     MED   75%     HIGH 100%     HIGH 100%
KGSP       HIGH  83%     MED   71%     HIGH 100%     HIGH 100%
KAVL       HIGH  84%     MED   63%     HIGH 100%     HIGH 100%
KHKY       HIGH  83%     MED   72%     HIGH 100%     HIGH  94%
KGMU       HIGH  83%     MED   72%     HIGH 100%     HIGH 100%
KAND       HIGH  83%     MED   68%     HIGH 100%     HIGH 100%

THE PERCENTAGE REFLECTS THE NUMBER OF GUIDANCE MEMBERS AGREEING
WITH THE SCHEDULED TAF ISSUANCE FLIGHT RULE CATEGORY. COMPLETE
HOURLY EXPERIMENTAL AVIATION FORECAST CONSISTENCY TABLES AND ENSEMBLE
FORECASTS ARE AVAILABLE AT THE FOLLOWING LINK: (MUST BE LOWER CASE)

WWW.WEATHER.GOV/GSP/AVIATIONTABLES

&&

.GSP WATCHES/WARNINGS/ADVISORIES...
GA...NONE.
NC...WIND ADVISORY FROM NOON TODAY TO MIDNIGHT EST TONIGHT FOR
     NCZ033-048>050-052-053-064-065-501-503-505.
SC...NONE.

&&

SYNOPSIS...HG/JPT
NEAR TERM...HG
SHORT TERM...CDG
LONG TERM...JPT
AVIATION...HG
Hazardous weather outlook, Dec 9, 9:50 PM EST, 5 hours 2 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
950 PM EST MON DEC 9 2013

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-110300-
RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-AVERY-ALEXANDER-
IREDELL-DAVIE-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-BUNCOMBE-CATAWBA-
ROWAN-GRAHAM-NORTHERN JACKSON-MACON-SOUTHERN JACKSON-TRANSYLVANIA-
HENDERSON-CLEVELAND-LINCOLN-GASTON-MECKLENBURG-CABARRUS-UNION NC-
CALDWELL MOUNTAINS-GREATER CALDWELL-BURKE MOUNTAINS-GREATER BURKE-
MCDOWELL MOUNTAINS-EASTERN MCDOWELL-RUTHERFORD MOUNTAINS-
GREATER RUTHERFORD-POLK MOUNTAINS-EASTERN POLK-OCONEE MOUNTAINS-
PICKENS MOUNTAINS-GREENVILLE MOUNTAINS-GREATER OCONEE-
GREATER PICKENS-GREATER GREENVILLE-SPARTANBURG-CHEROKEE-YORK-
ANDERSON-ABBEVILLE-LAURENS-UNION SC-CHESTER-GREENWOOD-
950 PM EST MON DEC 9 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...PIEDMONT
NORTH CAROLINA...WESTERN NORTH CAROLINA AND UPSTATE SOUTH CAROLINA.

.DAY ONE...TONIGHT.

PATCHY DENSE FOG TONIGHT HAS THE POTENTIAL TO BECOME WIDESPREAD
ACROSS PORTIONS OF THE AREA TONIGHT.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

..TUESDAY...DENSE FOG POSSIBLE. WIDESPREAD DENSE FOG MAY BE
ONGOING ACROSS PORTIONS OF THE AREA TUESDAY MORNING. ANY DENSE FOG
WOULD DISSIPATE BEFORE NOON.
..WEDNESDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..THURSDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..FRIDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..SATURDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..SUNDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

NONE.

In the hours before

Special weather statement, Dec 9, 9:46 PM EST, 5 hours 6 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
946 PM EST MON DEC 9 2013

GAZ010-017-018-026-028-NCZ035>037-056-057-068-501>510-SCZ001>008-
010-100500-
RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ALEXANDER-IREDELL-DAVIE-
CATAWBA-ROWAN-CLEVELAND-CALDWELL MOUNTAINS-GREATER CALDWELL-
BURKE MOUNTAINS-GREATER BURKE-MCDOWELL MOUNTAINS-EASTERN MCDOWELL-
RUTHERFORD MOUNTAINS-GREATER RUTHERFORD-POLK MOUNTAINS-
EASTERN POLK-OCONEE MOUNTAINS-PICKENS MOUNTAINS-
GREENVILLE MOUNTAINS-GREATER OCONEE-GREATER PICKENS-
GREATER GREENVILLE-SPARTANBURG-CHEROKEE-ANDERSON-
INCLUDING THE CITIES OF...CLAYTON...CLARKESVILLE...TOCCOA...
HARTWELL...STATESVILLE...MOCKSVILLE...HICKORY...SALISBURY...
SHELBY...LENOIR...MORGANTON...MARION...LAKE LURE...RUTHERFORD...
COLUMBUS...GREENVILLE...SPARTANBURG...GAFFNEY...ANDERSON
946 PM EST MON DEC 9 2013

...PATCHY DENSE FOG ACROSS THE REGION THIS EVENING...

PATCHY DENSE FOG HAS DEVELOPED ALONG AND NEAR THE BLUE RIDGE
ESCARPMENT...AND HAS SPREAD EAST AND SOUTH INTO THE FOOTHILLS AND
PORTIONS OF THE PIEDMONT OF THE CAROLINAS AND NORTHEAST GEORGIA.
VISIBILITY WILL BE A QUARTER MILE OR LESS IN SOME LOCATIONS.
AUTOMOBILE TRAVEL MAY BE DANGEROUS TONIGHT DUE TO THE REDUCED
VISIBILITY. IF DRIVING TONIGHT...USE EXTREME CAUTION. ALLOW EXTRA
TIME TO REACH YOUR DESTINATION. USE LOW BEAM HEADLIGHTS...AND BE
PREPARED FOR ABRUPT CHANGES IN VISIBILITY OVER SHORT DISTANCES AS
YOU ENCOUNTER THE FOG. IF DENSE FOG BEGINS TO COVER A LARGE
AREA...A DENSE FOG ADVISORY MAY BE ISSUED.
Special weather statement, Dec 9, 11:53 PM EST, 2 hours 59 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1153 PM EST MON DEC 9 2013

GAZ010-017-018-026-028-029-NCZ035>037-056-057-068>072-082-501>510-
SCZ001>014-019-101100-
RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-ALEXANDER-IREDELL-
DAVIE-CATAWBA-ROWAN-CLEVELAND-LINCOLN-GASTON-MECKLENBURG-CABARRUS-
UNION NC-CALDWELL MOUNTAINS-GREATER CALDWELL-BURKE MOUNTAINS-
GREATER BURKE-MCDOWELL MOUNTAINS-EASTERN MCDOWELL-
RUTHERFORD MOUNTAINS-GREATER RUTHERFORD-POLK MOUNTAINS-
EASTERN POLK-OCONEE MOUNTAINS-PICKENS MOUNTAINS-
GREENVILLE MOUNTAINS-GREATER OCONEE-GREATER PICKENS-
GREATER GREENVILLE-SPARTANBURG-CHEROKEE-YORK-ANDERSON-ABBEVILLE-
LAURENS-UNION SC-CHESTER-GREENWOOD-
INCLUDING THE CITIES OF...CLAYTON...CLARKESVILLE...TOCCOA...
HARTWELL...ELBERTON...STATESVILLE...MOCKSVILLE...HICKORY...
SALISBURY...SHELBY...LINCOLNTON...GASTONIA...CHARLOTTE...
CONCORD...MONROE...LENOIR...MORGANTON...MARION...LAKE LURE...
RUTHERFORD...COLUMBUS...GREENVILLE...SPARTANBURG...GAFFNEY...
ROCK HILL...ANDERSON...ABBEVILLE...LAURENS...UNION...CHESTER...
GREENWOOD
1153 PM EST MON DEC 9 2013

...PATCHY DENSE FOG ACROSS THE REGION OVERNIGHT...

PATCHY DENSE FOG CONTINUES TO SPREAD ACROSS PORTIONS OF NORTHEAST
GEORGIA...ALONG WITH THE FOOTHILLS AND PIEDMONT REGIONS OF THE
CAROLINAS. VISIBILITY WILL BE A QUARTER MILE OR LESS IN SOME
LOCATIONS. AUTOMOBILE TRAVEL MAY BE DANGEROUS TONIGHT DUE TO THE
REDUCED VISIBILITY. IF DRIVING TONIGHT...USE EXTREME CAUTION.
ALLOW EXTRA TIME TO REACH YOUR DESTINATION. USE LOW BEAM
HEADLIGHTS...AND BE PREPARED FOR ABRUPT CHANGES IN VISIBILITY OVER
SHORT DISTANCES AS YOU ENCOUNTER THE FOG. IF DENSE FOG BEGINS TO
COVER A LARGE AREA...A DENSE FOG ADVISORY MAY BE ISSUED.

Nearby

Wind Advisories in North Carolina, 2013Every wind advisory in 2013

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.