Alert archive / North Carolina / Wind Advisories in 2009

Wind Advisory 18, NWS Greenville-Spartanburg, SC

December 9, 20096 counties in North Carolina

NWS Greenville-Spartanburg, SC issued this wind advisory at Dec 9, 2009, 7:07 PM EST for 6 counties in North Carolina. It was in force for 27 hr.

The area

The counties it named.

The facts

Issued
Dec 9, 2009, 7:07 PM EST (00:07 UTC)
Expired
Dec 10, 2009, 10:01 PM EST
In force
27 hr
Issued by
NWS Greenville-Spartanburg, SC

Counties Avery County, NC, Burke County, NC, Caldwell County, NC, McDowell County, NC, Mitchell County, NC, Yancey County, NC

The radar

The Greer radar (KGSP), 115 km from the middle of the area, began a volume at 00:04 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, 0.1 hours before the alert went out and 185 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 2009-12-10Temperature 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 2009-12-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 421 square meters per square second.1939587897117136Sfc1 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
2246 m above ground
0-6 km bulk shear
91 kt
0-1 km storm-relative helicity
421 m²/s²
0-3 km storm-relative helicity
182 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 100007
NPWGSP

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
707 PM EST WED DEC 9 2009

NCZ033-049-050-501-503-505-100900-
/O.EXP.KGSP.HW.W.0004.000000T0000Z-091210T0000Z/
/O.NEW.KGSP.WI.Y.0018.091210T0007Z-091210T0900Z/
AVERY-YANCEY-MITCHELL-CALDWELL MOUNTAINS-BURKE MOUNTAINS-
MCDOWELL MOUNTAINS-
INCLUDING THE CITIES OF...NEWLAND...SPRUCE PINE
707 PM EST WED DEC 9 2009

...WIND ADVISORY IN EFFECT UNTIL 4 AM EST THURSDAY...
...HIGH WIND WARNING WILL EXPIRE AT 7 PM EST THIS EVENING...

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED
A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 4 AM EST THURSDAY. THE
HIGH WIND WARNING WILL EXPIRE AT 7 PM EST THIS EVENING. 

A SURGE OF COLD AIR IN THE LOW LEVELS WILL ALLOW FOR AN INCREASE
IN WIND ACROSS THE NORTHERN NORTH CAROLINA MOUNTAINS OVERNIGHT
TONIGHT. WEST TO NORTHWEST WINDS WILL STRENGTHEN TO 25 TO 35
MPH...WITH PEAK GUSTS EXPECTED TO RANGE FROM 40 TO 55 MPH...
GENERALLY AFTER MIDNIGHT. THE COMBINATION OF THE GUSTY WINDS AND MOIST
SOIL CONDITIONS WILL LIKELY RESULT IN SCATTERED UPROOTED
TREES...AND MAY CAUSE POWER INTERRUPTIONS.

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.

&&

$$

NCZ048-051>053-058-059-062>065-507-509-100900-
/O.EXP.KGSP.HW.W.0004.000000T0000Z-091210T0000Z/
/O.NEW.KGSP.LW.Y.0025.091210T0007Z-091210T0900Z/
MADISON-SWAIN-HAYWOOD-BUNCOMBE-GRAHAM-NORTHERN JACKSON-MACON-
SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON-RUTHERFORD MOUNTAINS-
POLK MOUNTAINS-
INCLUDING THE CITIES OF...CHEROKEE...WAYNESVILLE...ASHEVILLE...
SYLVA...FRANKLIN...BREVARD...HENDERSONVILLE...LAKE LURE
707 PM EST WED DEC 9 2009

...LAKE WIND ADVISORY IN EFFECT UNTIL 4 AM EST THURSDAY...
...HIGH WIND WARNING WILL EXPIRE AT 7 PM EST THIS EVENING...

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED
A LAKE WIND ADVISORY...WHICH IS IN EFFECT UNTIL 4 AM EST
THURSDAY. THE HIGH WIND WARNING WILL EXPIRE AT 7 PM EST THIS
EVENING. 

A SURGE OF COLD AIR IN THE LOW LEVELS WILL ALLOW FOR AN INCREASE
IN WIND ACROSS THE CENTRAL NORTH CAROLINA MOUNTAINS OVERNIGHT
TONIGHT. WEST TO NORTHWEST WINDS WILL STRENGTHEN TO 20 TO 30 MPH...WITH
PEAK GUSTS EXPECTED TO RANGE FROM 35 TO 45 MPH... GENERALLY AFTER
MIDNIGHT. THE COMBINATION OF THE GUSTY WINDS AND MOIST SOIL
CONDITIONS MAY RESULT IN A FEW UPROOTED TREES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A LAKE WIND ADVISORY INDICATES THAT WINDS WILL CAUSE ROUGH CHOP
ON AREA LAKES. SMALL BOATS WILL BE ESPECIALLY PRONE TO CAPSIZING.

&&

$$

GAZ010-017-018-026-028-029-NCZ035>037-056-057-068>072-082-502-504-
506-508-510-SCZ001>014-019-100115-
/O.EXP.KGSP.HW.W.0004.000000T0000Z-091210T0000Z/
RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-ALEXANDER-IREDELL-
DAVIE-CATAWBA-ROWAN-CLEVELAND-LINCOLN-GASTON-MECKLENBURG-CABARRUS-
UNION NC-GREATER CALDWELL-GREATER BURKE-EASTERN MCDOWELL-
GREATER RUTHERFORD-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...RUTHERFORD...
COLUMBUS...GREENVILLE...SPARTANBURG...GAFFNEY...ROCK HILL...
ANDERSON...ABBEVILLE...LAURENS...UNION...CHESTER...GREENWOOD
707 PM EST WED DEC 9 2009

...HIGH WIND WARNING WILL EXPIRE AT 7 PM EST THIS EVENING...

THE HIGH WIND WARNING WILL EXPIRE AT 7 PM EST THIS EVENING. 

WINDS HAVE SUBSIDED SUCH THAT THREAT OF DAMAGING WIND GUSTS HAVE
ENDED. CONDITIONS WILL REMAIN BREEZY THIS EVENING AS WINDS
CONTINUE TO DECREASE AND LOSE THEIR GUSTINESS.

$$

ARK
3 follow-up statements
000 
WWUS72 KGSP 100838
NPWGSP

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
338 AM EST THU DEC 10 2009

NCZ051-058-059-062-063-100945-
/O.EXP.KGSP.LW.Y.0025.000000T0000Z-091210T0900Z/
SWAIN-GRAHAM-NORTHERN JACKSON-MACON-SOUTHERN JACKSON-
INCLUDING THE CITIES OF...CHEROKEE...SYLVA...FRANKLIN
338 AM EST THU DEC 10 2009

...LAKE WIND ADVISORY WILL EXPIRE AT 4 AM EST EARLY THIS
MORNING...

THE LAKE WIND ADVISORY WILL EXPIRE AT 4 AM EST EARLY THIS
MORNING. 

$$

NCZ033-049-050-501-503-505-102100-
/O.EXT.KGSP.WI.Y.0018.000000T0000Z-091210T2300Z/
AVERY-YANCEY-MITCHELL-CALDWELL MOUNTAINS-BURKE MOUNTAINS-
MCDOWELL MOUNTAINS-
INCLUDING THE CITIES OF...NEWLAND...SPRUCE PINE
338 AM EST THU DEC 10 2009

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

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

GUSTY NORTHWEST WINDS WILL CONTINUE TODAY...PERHAPS GUSTING AS
HIGH AS 50 MPH ACROSS HIGHER ELEVATIONS. THE COMBINATION OF 
THESE GUSTY WINDS AND MOIST SOIL CONDITIONS WILL LIKELY RESULT IN
MORE UPROOTED TREES...AND POSSIBLY CAUSE POWER INTERRUPTIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

NCZ048-052-053-064-065-507-509-102100-
/O.EXT.KGSP.LW.Y.0025.000000T0000Z-091210T2300Z/
MADISON-HAYWOOD-BUNCOMBE-TRANSYLVANIA-HENDERSON-
RUTHERFORD MOUNTAINS-POLK MOUNTAINS-
INCLUDING THE CITIES OF...WAYNESVILLE...ASHEVILLE...BREVARD...
HENDERSONVILLE...LAKE LURE
338 AM EST THU DEC 10 2009

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

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

GUSTY NORTHWEST WINDS...PERHAPS AS HIGH AS 35 TO 40 MPH...WILL
CONTINUE TO BE SEEN ACROSS THE REGION TODAY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A LAKE WIND ADVISORY INDICATES THAT WINDS WILL CAUSE ROUGH CHOP
ON AREA LAKES. SMALL BOATS WILL BE ESPECIALLY PRONE TO CAPSIZING.

&&

$$
000 
WWUS72 KGSP 101953
NPWGSP

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
253 PM EST THU DEC 10 2009

NCZ033-049-050-501-503-505-110500-
/O.EXT.KGSP.WI.Y.0018.000000T0000Z-091211T0500Z/
AVERY-YANCEY-MITCHELL-CALDWELL MOUNTAINS-BURKE MOUNTAINS-
MCDOWELL MOUNTAINS-
INCLUDING THE CITIES OF...NEWLAND...SPRUCE PINE
253 PM EST THU DEC 10 2009

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

THE WIND ADVISORY FOR THE NORTHERN MOUNTAINS AND ADJACENT BLUE
RIDGE OF NORTH CAROLINA IS NOW IN EFFECT UNTIL MIDNIGHT EST
TONIGHT.

GUSTY NORTHWEST WINDS WILL CONTINUE THROUGH THIS EVENING...PERHAPS
GUSTING AS HIGH AS 50 MPH ACROSS HIGHER ELEVATIONS. THE
COMBINATION OF THESE GUSTY WINDS AND MOIST SOIL CONDITIONS WILL
LIKELY RESULT IN MORE UPROOTED TREES...AND POSSIBLY CAUSE POWER
INTERRUPTIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

NCZ048-052-053-064-065-507-509-110500-
/O.EXT.KGSP.LW.Y.0025.000000T0000Z-091211T0500Z/
MADISON-HAYWOOD-BUNCOMBE-TRANSYLVANIA-HENDERSON-
RUTHERFORD MOUNTAINS-POLK MOUNTAINS-
INCLUDING THE CITIES OF...WAYNESVILLE...ASHEVILLE...BREVARD...
HENDERSONVILLE...LAKE LURE
253 PM EST THU DEC 10 2009

...LAKE WIND ADVISORY NOW IN EFFECT UNTIL MIDNIGHT EST TONIGHT...

THE LAKE WIND ADVISORY IS NOW IN EFFECT UNTIL MIDNIGHT EST
TONIGHT FOR MUCH OF THE CENTRAL MOUNTAINS AND SOUTHERN BLUE RIDGE
OF NORTH CAROLINA.

GUSTY NORTHWEST WINDS...PERHAPS AS HIGH AS 35 MPH...WILL CONTINUE
TO BE SEEN ACROSS THE REGION THROUGH THIS EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A LAKE WIND ADVISORY INDICATES THAT WINDS WILL CAUSE ROUGH CHOP
ON AREA LAKES. SMALL BOATS WILL BE ESPECIALLY PRONE TO CAPSIZING.

&&

$$
07
000 
WWUS72 KGSP 110301
NPWGSP

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1001 PM EST THU DEC 10 2009

NCZ033-049-050-501-503-505-110415-
/O.CAN.KGSP.WI.Y.0018.000000T0000Z-091211T0500Z/
AVERY-YANCEY-MITCHELL-CALDWELL MOUNTAINS-BURKE MOUNTAINS-
MCDOWELL MOUNTAINS-
INCLUDING THE CITIES OF...NEWLAND...SPRUCE PINE
1001 PM EST THU DEC 10 2009

...WIND ADVISORY IS CANCELLED...

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

CONDITIONS WILL REMAIN WINDY FOR THE REMAINDER OF THIS EVENING.
HOWEVER...WINDS HAVE BEEN GRADUALLY DECREASING SUCH THAT FREQUENT
STRONG GUSTS ARE UNLIKELY. WINDS WILL CONTINUE TO DIMINISH
OVERNIGHT.

$$

NCZ048-052-053-064-065-507-509-110415-
/O.CAN.KGSP.LW.Y.0025.000000T0000Z-091211T0500Z/
MADISON-HAYWOOD-BUNCOMBE-TRANSYLVANIA-HENDERSON-
RUTHERFORD MOUNTAINS-POLK MOUNTAINS-
INCLUDING THE CITIES OF...WAYNESVILLE...ASHEVILLE...BREVARD...
HENDERSONVILLE...LAKE LURE
1001 PM EST THU DEC 10 2009

...LAKE WIND ADVISORY IS CANCELLED...

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

WINDS HAVE BEEN GRADUALLY DECREASING THIS EVENING...AND WILL CONTINUE TO
DIMINISH OVERNIGHT.

$$

ARK

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 9, 6:58 PM EST, 9 minutes earlier.

Area forecast discussion, Dec 9, 6:58 PM EST, 9 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
658 PM EST WED DEC 9 2009

.SYNOPSIS...
AN AREA OF HIGH PRESSURE WILL BUILD INTO THE FORECAST AREA FROM THE
WEST ON THURSDAY AS A COLD FRONT CONTINUES TO PUSH OFF THE EAST
COAST. MOISTURE WILL BEGIN TO INCREASE FROM THE SOUTH ON SATURDAY AS
AN AREA OF LOW PRESSURE DEVELOPS ALONG THE SOUTHEAST COASTLINE. THIS
LOW WILL PULL AWAY FROM THE COAST ON SUNDAY WITH WEAK HIGH PRESSURE
MOVING IN BEHIND IT FOR MONDAY.

&&

.NEAR TERM /THROUGH THURSDAY/...
LATEST METARS AND LAPS SNDGS INDICATE THAT MIXING IS BEGINNING TO
WANE WITH LOSS OF DAYTIME HEATING. OVERALL...WIND GUSTS HAVE BEEN
DECREASING EARLY THIS EVENING. SO WILL ALLOW HIGH WIND WARNING TO
EXPIRE AT 7 PM.

LATER THIS EVENING AND OVERNIGHT...MODELS INDICATE THAT A SURGE OF
CAA WILL OCCUR ACRS THE NC MTNS...AS FLOW VEERS A LTL MORE
WEST-NORTHWESTERLY AND REMAINS IN THE 35-50 KT RANGE. THE NAM AND
GFS BUFKIT SNDGS AT KTNB SHOW A LOW BUT STRONG INVERSION AT 850
MB...WITH A SCARY 50-60 KTS OF WIND AT THE BASE. AT KAVL...THE WINDS
ARE ONLY 30-40 KTS AT THIS LEVEL. WITH SUCH A LOW INVERSION...SOME
OF THE HIGH VALLEYS MAY EXPERIENCE SOME CHANNELED WINDS THAT COULD
BE STRONG ENUF TO TOPPLE MORE TREES. A WIND ADVISORY SEEMS PRUDENT
FOR THE NORTHERN MTNS. FROM THE FRENCH BROAD VALLEY AND
SOUTH/WEST...I WILL HOIST A LAKE WIND ADVISORY FOR THE SAME TIME
FRAME. ALL PRODUCTS SHOULD BE OUT SHORTLY.

PREVIOUS DISCUSSION...
TEMPERATURES ACROSS THE CWA HAS SURGED INTO THE LOW TO MID 60S THIS
AFTERNOON. THE COMBINATION OF THE MILD LLVL TEMPERATURE AND CAA
ALOFT HAS RESULTED IN A DEEP MIX LAYER ACROSS THE FORECAST AREA.
LATEST OBSERVATIONS INDICATE FREQUENT GUSTS IN THE 30-35 KTS RANGE.
PEAK GUSTS COULD ACTUALLY OCCUR BETWEEN 20Z-22Z AS THE HIGHEST H7
WINDS SWEEP ACROSS THE FORECAST AREA. WINDS GUSTS SHOULD DECREASE
AROUND SUNSET AND END BY 7 PM...EXCEPT FOR THE MTNS. LATEST POWER
OUTAGE MAPS FROM UTILITY COMPANIES WEB PAGES INDICATE AN INCREASING
TREND IN OUTAGES. IN ADDITION...SEVERAL REPORTS OF TREES ON ROADWAYS
HAVE BEEN POSTED ON THE SCHP WEB PAGE. IT APPEARS THAT THE GUSTY
WINDS AND SATURATED SOIL IS RESULTING IN SIGNIFICANT TREE AND POWER
LINE DAMAGE. I WILL KEEP THE HIGH WIND WARNING IN PLACE THROUGH 7
PM. AFTER 7 PM...IT APPEARS THAT GUSTY CONDITIONS WILL CONTINUE
ACROSS THE HIGH TERRAIN. THE EVENING SHIFT WILL DETERMINE IF THE
SPEEDS OVERNIGHT WILL WARRANT A ADVISORY OR POSSIBLE EXTENSION OF
THE HWW.

OTHERWISE...SKY COVER WILL REMAIN CLEAR ACROSS THE REGION THIS
EVENING...THEN INCREASING CIRRUS OVERNIGHT. ONGOING CAA WILL RESULT
IN MIN TEMPERATURES FALLING 2-4 DEGREES BELOW NORMAL. CAA WILL
CONTINUE ACROSS THE REGION DURING THE DAY ON THURSDAY. HIGH
TEMPERATURES WILL LIKELY REACH WITHIN A DEGREE OR TWO OF NORMAL.
HOWEVER...DEWPOINTS WILL MIX INTO THE LOW TEENS...YIELDING
WIDESPREAD RH VALUES IN THE 20S EAST OF THE MTNS.

&&

.SHORT TERM /THURSDAY NIGHT THROUGH SUNDAY/...
AS OF 245 PM WEDNESDAY...NOT MUCH CHANGE IN THINKING FOR THE FIRST
PART OF THE SHORT RANGE. STILL EXPECTING MODIFIED ARCTIC HIGH TO
BUILD OVER THE REGION THURSDAY NIGHT AND FRIDAY. WE WILL REMAIN
SOUTH OF THE JET AXIS SO PATCHES OF MID/HIGH CLOUDS WILL PASS
OVERHEAD...BUT IT SHOULD REMAIN DRY. THIS BASICALLY LEAVES US WITH A
TEMP FORECAST...SO HAVE NUDGED HIGHS AND LOWS TOWARD A GUIDANCE
BLEND.

THE TREND OF THE GUIDANCE CONTINUES IN THE DIRECTION OF DELAYING THE
APPROACH OF THE NEXT STORM SYSTEM AND THE ONSET OF PRECIP. TIMING
WILL NO DOUBT REMAIN A PROBLEM WITH THE LACK OF STRONG SHORTWAVE AND
THE NEARLY ZONAL FLOW ALOFT. HOWEVER...AT THIS TIME ALL THE MODEL
GUIDANCE KEEPS THE PRECIP OFF TO THE SW THROUGH DAYBREAK ON
SATURDAY...SO HAVE CUT THE POP ALTOGETHER FRIDAY NIGHT.
CONSEQUENTLY...THE MIN TEMP WAS CUT BY A FEW DEGREES. UPPER
DIVERGENCE IN THE RIGHT ENTRANCE REGION OF THE JET AND SOME
ISENTROPIC UPGLIDE SHOULD BE ABLE TO GENERATE SOME LIGHT PRECIP FROM
SW TO NE THROUGH THE DAY ON SATURDAY. KEPT POP VERY MUCH IN LINE
WITH THE OLD SREF. THE COLD START WILL PRESENT SOME PRECIP TYPE
PROBLEMS OVER THE SOUTH ASSUMING PRECIP CAN REACH THE GROUND BEFORE
IT WARMS UP. PARTIAL THICKNESSES AND PRECIP TYPE NOMOGRAM SHOW THAT
THERE IS SOME POTENTIAL FOR LIGHT FREEZING RAIN OR SLEET BEFORE NOON
ACROSS THE AREA S OF AVL/GSP/CLT. THIS WOULD ONLY BE A NUISANCE
EVENT IN ANY CASE BECAUSE THE SURFACE HIGH OVER THE MID ATLANTIC IS
NOT IN A FAVORABLE LOCATION TO MAINTAIN ANY COLD AIR NEAR THE
SURFACE...SO PRECIP TYPE CHANGES TO ALL RAIN IN THE AFTERNOON. TEMPS
WILL REMAIN COLD WITH AN IN-SITU WEDGE EAST OF THE MTNS.

THE MAIN SURFACE LOW PASSES BY TO THE SOUTHEAST OFF THE COAST
SATURDAY NIGHT. THE GUIDANCE POP IN THE LIKELY RANGE WAS ACCEPTED.
THERE COULD BE SOME PRECIP TYPE PROBLEMS OVER THE HIGH ELEVATIONS OF
THE NRN MOUNTAINS LATE AT NIGHT. THE LOW MOVES AWAY ON SUNDAY AND WE
SHOULD BEGIN TO DOWNSLOPE AWAY THE PRECIP IN THE AFTERNOON IF THE
GFS IS CORRECT. UNFORTUNATELY...THE ECMWF IS ABOUT TWELVE HOURS
BEHIND THE GFS...SO THE BEST COURSE OF ACTION IS TO KEEP A CHANCE
POP ALL DAY. THE PRECIP TYPE SHOULD BE MOSTLY RAIN...WITH SOME MIX
AT ELEVATIONS ABOVE ABOUT 3000 FEET SUNDAY MORNING.

&&

.LONG TERM /SUNDAY NIGHT THROUGH WEDNESDAY/...
AS OF 230 PM WEDNESDAY...HEIGHTS WILL RISE ACROSS THE FORECAST AREA
ON MONDAY...RESULTING IN A BRIEF PRECIPITATION LULL BETWEEN SYSTEMS.
A SRN STREAM SHORTWAVE WILL THEN MOVE THROUGH THE MS RIVER VALLEY ON
TUESDAY...WITH A 120 KT UPPER JET AHEAD OF THIS FEATURE BRINGING
STRONG UPPER DIVERGENCE BACK TO THE AREA. MOISTURE WILL ALSO RETURN
FROM THE WEST MON NIGHT INTO TUE. LOW LEVEL THICKNESSES AND MODEL
PROFILES APPEAR TOO WARM NOW FOR MUCH IF ANY MIXED PTYPE AT THE
BEGINNING OF THE EVENT MON NIGHT. WILL JUST FEATURE A BRIEF
RAIN/SNOW MIX ACROSS THE HIGHER RIDGE TOPS IN THE NC MTNS LATE
MONDAY NIGHT BEFORE THE AREA WARMS TO ALL RAIN.

THE BEST FORCING AND DEEPEST MOISTURE SHOULD CROSS THE REGION JUST
AHEAD OF THE COLD FRONT EARLY TUESDAY...WITH BETTER INSTABILITY
INDICATED ACROSS THE EXTREME SOUTHERN PIEDMONT TUE MORNING. WILL
ADVERTISE VERY SOLID CHANCE POPS ACROSS THE AREA TUE...WITH AN
ELBERTON TO LAURENS SCHC THUNDER MENTION. THE SEVERE POTENTIAL WILL
HAVE TO BE MONITORED IN THIS AREA ONCE AGAIN WITH STRONG SHEAR
ACCOMPANYING THE WAVE.

NW FLOW MOISTURE ON THE BACK SIDE OF THIS SYSTEM DOES NOT LOOK AS
COLD OR MOIST AS PREVIOUSLY. WILL JUST CARRY NRN AND WRN MTN LIGHT
SNOW SHOWER CHANCES TUE NIGHT...WITH NO ACCUM. STRONG AND COOL HIGH
PRES WILL THEN BUILD IN FROM THE NW ON WEDNESDAY.

&&

.AVIATION /00Z THURSDAY THROUGH MONDAY/...
AT KCLT AND ELSEWHERE...WESTERLY TO WEST-NORTHWESTERLY WINDS SHOULD
CONTINUE TO SUBSIDE THIS EVENING AS MIXING DEPTH DECREASES. THE ONE
EXCEPTION IS KAVL...WHERE A SURGE OF COLD ADVECTION WITH
WEST-NORTHWESTERLY 30-40 KT FLOW COULD RESULT IN GUSTY NWLY WINDS
THRU THE OVERNIGHT. OTHERWISE...WINDS SHOULD BE GENERALLY UNDER 10
KTS BY AROUND 06Z. WINDS WILL INCREASE OUT OF THE WEST OR
WEST-NORTHWEST AGAIN THU AFTN...BUT SHUD BE MUCH LIGHTER THAN WHAT
OCCURRED ON WED. THERE WILL BE NO CIG/VSBY RESTRICTIONS...JUST SCT
TO BKN HIGH CLOUDS THRU DAYBREAK THURSDAY.

OUTLOOK...VFR EXPECTED FRIDAY. A GULF COAST STORM SYSTEM COULD
SPREAD LIGHT MIXED PRECIP INTO THE REGION SATURDAY EVENING AND
NIGHT.

&&

.GSP WATCHES/WARNINGS/ADVISORIES...
GA...HIGH WIND WARNING UNTIL 7 PM EST THIS EVENING FOR GAZ010-017-
     018-026-028-029.
NC...HIGH WIND WARNING UNTIL 7 PM EST THIS EVENING FOR NCZ033-
     035>037-048>053-056>059-062>065-068>072-082-501>510.
     WIND ADVISORY UNTIL 4 AM EST THURSDAY FOR NCZ033-049-050-501-
     503-505.
     LAKE WIND ADVISORY UNTIL 4 AM EST THURSDAY FOR NCZ048-051>053-
     058-059-062>065-507-509.
SC...HIGH WIND WARNING UNTIL 7 PM EST THIS EVENING FOR SCZ001>014-
     019.

&&

SYNOPSIS...BSH
NEAR TERM...NED
SHORT TERM...PM
LONG TERM...HG
AVIATION...ARK
Hazardous weather outlook, Dec 9, 3:40 PM EST, 3 hours 27 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
340 PM EST WED DEC 9 2009

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-102045-
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-
340 PM EST WED DEC 9 2009

...HIGH WIND WARNING IN EFFECT UNTIL 7 PM EST THIS EVENING...

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

.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.

   HIGH WIND WARNING.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ENCOURAGED TO RELAY ANY OBSERVATIONS OF HIGH WINDS AND/OR
WIND DAMAGE TO THE NATIONAL WEATHER SERVICE.

In the hours before

Local storm report, Dec 9, 1:56 PM EST, 5 hours 11 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
156 PM EST WED DEC 09 2009

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0150 PM     NON-TSTM WND DMG CONCORD                 35.41N 80.59W
12/09/2009                   CABARRUS           NC   TRAINED SPOTTER

            LARGE LIMBS BLOWN DOWN ON POWER LINES.

&&

HG
Local storm report, Dec 9, 3:02 PM EST, 4 hours 5 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
302 PM EST WED DEC 09 2009

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0300 PM     NON-TSTM WND DMG BAKERSVILLE             36.01N 82.16W
12/09/2009                   MITCHELL           NC   EMERGENCY MNGR

            WIDESPREAD TREES AND POWERLINES DOWN ACROSS THE COUNTY.

&&

BSH
Local storm report, Dec 9, 3:54 PM EST, 3 hours 13 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
354 PM EST WED DEC 09 2009

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0330 PM     NON-TSTM WND DMG ROBBINSVILLE            35.32N 83.81W
12/09/2009                   GRAHAM             NC   COUNTY OFFICIAL

            WIDESPREAD TREES AND POWERLINES DOWN ACROSS THE COUNTY.

0330 PM     NON-TSTM WND DMG BRYSON CITY             35.43N 83.45W
12/09/2009                   SWAIN              NC   COUNTY OFFICIAL

            WIDESPREAD TREES AND POWERLINES DOWN ACROSS THE COUNTY.

0330 PM     NON-TSTM WND DMG FRANKLIN                35.18N 83.38W
12/09/2009                   MACON              NC   COUNTY OFFICIAL

            WIDESPREAD TREES AND POWERLINES DOWN ACROSS THE COUNTY.

0330 PM     NON-TSTM WND DMG SYLVA                   35.37N 83.22W
12/09/2009                   JACKSON            NC   COUNTY OFFICIAL

            WIDESPREAD TREES AND POWERLINES DOWN ACROSS THE COUNTY.

0330 PM     NON-TSTM WND DMG WAYNESVILLE             35.48N 83.00W
12/09/2009                   HAYWOOD            NC   COUNTY OFFICIAL

            WIDESPREAD TREES AND POWERLINES DOWN ACROSS THE COUNTY.

0330 PM     NON-TSTM WND DMG BREVARD                 35.24N 82.73W
12/09/2009                   TRANSYLVANIA       NC   COUNTY OFFICIAL

            NUMEROUS TREES AND POWERLINES DOWN...MAINLY IN THE
            EASTERN PORTION OF THE COUNTY.

0330 PM     NON-TSTM WND DMG MARSHALL                35.80N 82.68W
12/09/2009                   MADISON            NC   COUNTY OFFICIAL

            WIDESPREAD TREES AND POWERLINES DOWN ACROSS THE COUNTY.

0330 PM     NON-TSTM WND DMG ASHEVILLE               35.57N 82.55W
12/09/2009                   BUNCOMBE           NC   COUNTY OFFICIAL

            WIDESPREAD TREES AND POWERLINES DOWN ACROSS THE COUNTY.

0330 PM     NON-TSTM WND DMG HENDERSONVILLE          35.32N 82.46W
12/09/2009                   HENDERSON          NC   COUNTY OFFICIAL

            NUMEROUS TREES AND POWERLINES DOWN...MAINLY IN THE MILLS
            RIVER AND EDNEYVILLE AREAS. ONE TREE DOWN ON A CAR AND
            ONE TREE DOWN ON A MOBILE HOME.

0330 PM     NON-TSTM WND DMG BURNSVILLE              35.92N 82.30W
12/09/2009                   YANCEY             NC   COUNTY OFFICIAL

            NUMEROUS TREES AND POWERLINES DOWN...MAINLY ACROSS THE
            SOUTHERN PORTION OF THE COUNTY. ONE TREE DOWN ON A
            CAR...AND A PORTION OF BLUE ROCK ROAD IS CLOSED DUE TO
            DOWNED TREES AND POWERLINES.

0330 PM     NON-TSTM WND DMG NEWLAND                 36.09N 81.93W
12/09/2009                   AVERY              NC   COUNTY OFFICIAL

            NUMEROUS TREES AND POWERLINES DOWN ACROSS THE COUNTY.

&&

BSH
Local storm report, Dec 9, 4:16 PM EST, 2 hours 51 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
416 PM EST WED DEC 09 2009

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0355 PM     NON-TSTM WND DMG CLAYTON                 34.88N 83.40W
12/09/2009                   RABUN              GA   COUNTY OFFICIAL

            COUNTY REPORTS TREES DOWN ALL AROUND THE COUNTY. ROUTE 76
            AREA HAS BEEN THE HARDEST HIT SO FAR.

0358 PM     NON-TSTM WND DMG CLARKESVILLE            34.61N 83.52W
12/09/2009                   HABERSHAM          GA   COUNTY OFFICIAL

            TREES BLOWN DOWN COUNTYWIDE.

0400 PM     NON-TSTM WND DMG ELBERTON                34.11N 82.86W
12/09/2009                   ELBERT             GA   COUNTY OFFICIAL

            COUNTY REPORTS WIDESPREAD TREES AND POWER LINES DOWN
            AROUND THE COUNTY.

0404 PM     NON-TSTM WND DMG TOCCOA                  34.58N 83.32W
12/09/2009                   STEPHENS           GA   COUNTY OFFICIAL

            COUNTY REPORTS WIDESPREAD TREES AND POWER LINES DOWN.

&&

HG
Local storm report, Dec 9, 5:43 PM EST, 1 hour 24 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
543 PM EST WED DEC 09 2009

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0415 PM     NON-TSTM WND DMG ANDERSON                34.52N 82.65W
12/09/2009                   ANDERSON           SC   COUNTY OFFICIAL

            SCATTERED REPORTS OF TREES AND POWER LINES DOWN ALL
            AROUND COUNTY.

0420 PM     NON-TSTM WND DMG ABBEVILLE               34.18N 82.38W
12/09/2009                   ABBEVILLE          SC   COUNTY OFFICIAL

            FEW TREES BLOWN DOWN THROUGHOUT THE AFTERNOON...SCATTERED
            ABOUT COUNTY.

0426 PM     NON-TSTM WND DMG WALHALLA                34.77N 83.06W
12/09/2009                   OCONEE             SC   COUNTY OFFICIAL

            NUMEROUS TREES BLOWN DOWN AROUND COUNTY. HARDEST HIT
            AREAS INCLUDED MOUNTAIN REST AND SENECA.

0444 PM     NON-TSTM WND DMG GREENVILLE              34.84N 82.37W
12/09/2009                   GREENVILLE         SC   COUNTY OFFICIAL

            FEW TREES BLOWN DOWN AROUND COUNTY...WITH MORE NUMEROUS
            LIMBS DOWN.

0450 PM     NON-TSTM WND DMG SPARTANBURG             34.94N 81.93W
12/09/2009                   SPARTANBURG        SC   COUNTY OFFICIAL

            SCATTERED TREES AND POWER LINES DOWN AROUND
            COUNTY...ESPECIALLY SPARTANBURG...LYMAN...BOILING
            SPRINGS...AND REIDVILLE.

0502 PM     NON-TSTM WND DMG UNION                   34.72N 81.62W
12/09/2009                   UNION              SC   COUNTY OFFICIAL

            COUNTY REPORTS ABOUT 4 OR 5 TREES BLOWN DOWN AROUND
            COUNTY THIS AFTERNOON...SCATTERED ABOUT.

0504 PM     NON-TSTM WND DMG GAFFNEY                 35.07N 81.66W
12/09/2009                   CHEROKEE           SC   COUNTY OFFICIAL

            COUNTY REPORTS SCATTERED TREES BLOWN DOWN AROUND COUNTY
            THIS AFTERNOON.

&&

HG
Local storm report, Dec 9, 7:07 PM EST, 0 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
707 PM EST WED DEC 09 2009

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0330 PM     NON-TSTM WND DMG COOKSVILLE              35.59N 81.48W
12/09/2009                   CATAWBA            NC   COUNTY OFFICIAL

            TWO TREES BLOWN DOWN NEAR COOKSVILLE.

0330 PM     NON-TSTM WND DMG SHELBY                  35.29N 81.54W
12/09/2009                   CLEVELAND          NC   COUNTY OFFICIAL

            COUNTY REPORTS TWO TREES BLOWN DOWN BY WIND.

0400 PM     NON-TSTM WND DMG MARION                  35.68N 82.01W
12/09/2009                   MCDOWELL           NC   COUNTY OFFICIAL

            ABOUT 5 TREES BLOWN DOWN BY WIND ALL AROUND COUNTY THIS
            AFTERNOON.

0400 PM     NON-TSTM WND DMG GASTONIA                35.25N 81.17W
12/09/2009                   GASTON             NC   COUNTY OFFICIAL

            SCATTERED TREES BLOWN DOWN ALL AROUND COUNTY THIS
            AFTERNOON.

0400 PM     NON-TSTM WND DMG RUTHERFORDTON           35.36N 81.96W
12/09/2009                   RUTHERFORD         NC   COUNTY OFFICIAL

            FEW TREES BLOWN DOWN AROUND COUNTY THIS AFTERNOON.

&&

HG

The office that day

Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 9, 7:07 PM ESTLake Wind AdvisoryGSPBuncombe, Graham, Haywood, Henderson, Jackson, Macon and 5 more27 hr

Nearby

Wind Advisories in North Carolina, 2009Every wind advisory in 2009

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.