Alert archive / North Carolina / Wind Advisories in 2005

Wind Advisory 12, NWS Greenville-Spartanburg, SC

December 15, 200512 counties in North Carolina; Habersham County, Rabun County, Georgia

NWS Greenville-Spartanburg, SC issued this wind advisory at Dec 15, 2005, 9:43 AM EST for 12 counties in North Carolina; Habersham County, Rabun County, Georgia. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Dec 15, 2005, 9:43 AM EST (14:43 UTC)
Expired
Dec 15, 2005, 3:31 PM EST
In force
6 hr
Issued by
NWS Greenville-Spartanburg, SC

Counties Habersham County, GA, Rabun County, GA, Avery County, NC, Buncombe County, NC, Graham County, NC, Haywood County, NC, Henderson County, NC, Jackson County, NC, Macon County, NC, Madison County, NC, Mitchell County, NC, Swain County, NC, Transylvania County, NC, Yancey County, NC

The radar

The Greer radar (KGSP), 89 km from the middle of the area, began a volume at 14:46 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

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 2.7 hours before the alert went out and 274 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, Peachtre/Fal Fld, GA at 12:00Z on 2005-12-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 joules per kilogram.LCLEL10008507005003002001001 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, Peachtre/Fal Fld, GA at 12:00Z on 2005-12-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 396 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
2 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
396 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
396 m²/s²
0-3 km storm-relative helicity
614 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 151443
NPWGSP

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
943 AM EST THU DEC 15 2005

...VERY WINDY CONDITIONS TO OVERSPREAD THE MOUNTAINS LATE THIS
MORNING...

GAZ010-017-NCZ033-048>053-058-059-062>065-SCZ001>003-152245-
/O.NEW.KGSP.WI.Y.0012.051215T1443Z-051215T2300Z/
RABUN-HABERSHAM-AVERY-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-
BUNCOMBE-GRAHAM-NORTHERN JACKSON-MACON-SOUTHERN JACKSON-
TRANSYLVANIA-HENDERSON-OCONEE MOUNTAINS-PICKENS MOUNTAINS-
GREENVILLE MOUNTAINS-
INCLUDING THE CITIES OF...CLAYTON...CLARKESVILLE...NEWLAND...
SPRUCE PINE...CHEROKEE...WAYNESVILLE...ASHEVILLE...SYLVA...
FRANKLIN...BREVARD...HENDERSONVILLE
943 AM EST THU DEC 15 2005

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

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED
A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 6 PM EST THIS
AFTERNOON FOR THE MOUNTAINS OF NORTH AND SOUTH CAROLINA AND
EXTREME NORTHEAST GEORGIA.

SOUTH TO SOUTHEAST WINDS OF 25 TO 35 MPH...WITH GUSTS TO AROUND 50
MPH...WILL QUICKLY OVERSPREAD THE MOUNTAINS LATE THIS MORNING
AHEAD OF AN AREA OF LOW PRESSURE LIFTING OUT OF THE DEEP SOUTH.
LOWER ELEVATIONS WILL BE TOO STABLE TO SEE THE STRONG WINDS...BUT
HIGHER ELEVATIONS AND LARGER VALLEYS THAT OPEN TO THE
SOUTH...INCLUDING THE FRENCH BROAD VALLEY...WILL SEE A PERIOD OF
VERY WINDY CONDITIONS.

IN AREAS WHERE TREES HAVE A COATING OF ICE...THESE WINDS WILL
SERVE TO DOWN QUITE A FEW TREES.

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.

$$
1 follow-up statement
000 
WWUS72 KGSP 152031
NPWGSP

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
331 PM EST THU DEC 15 2005

GAZ010-017-NCZ033-048>053-058-059-062>065-SCZ001>003-152145-
/O.CAN.KGSP.WI.Y.0012.000000T0000Z-051215T2300Z/
RABUN-HABERSHAM-AVERY-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-
BUNCOMBE-GRAHAM-NORTHERN JACKSON-MACON-SOUTHERN JACKSON-
TRANSYLVANIA-HENDERSON-OCONEE MOUNTAINS-PICKENS MOUNTAINS-
GREENVILLE MOUNTAINS-
INCLUDING THE CITIES OF...CLAYTON...CLARKESVILLE...NEWLAND...
SPRUCE PINE...CHEROKEE...WAYNESVILLE...ASHEVILLE...SYLVA...
FRANKLIN...BREVARD...HENDERSONVILLE
331 PM EST THU DEC 15 2005

...WIND ADVISORY IS CANCELLED...

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

THE STRONG RIDGE-TOP WINDS HAVE MOVED NORTHEAST OF THE AREA.

$$
MCAVOY

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 15, 7:24 AM EST, 2 hours 19 minutes earlier.

Area forecast discussion, Dec 15, 7:24 AM EST, 2 hours 19 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
724 AM EST THU DEC 15 2005

.SHORT TERM (REST OF TODAY)...
WL ISSUE A FREEZING RAIN ADVISORY FOR HAYWOOD AND MADISON COUNTIES
IN THE NC MTNS. FAIR AMOUNT OF ICING IN THESE COUNTIES WITH A FEW
PROBLEMS REPORTED ON ROADS. REST OF THE SOUTHWEST MTNS SEEM TO BE
IN GOOD SHAPE. NO OTHER CHANGES ATTM.

&&

.PREVIOUS DISCUSSION...
(ISSUED 547 AM EST THU DEC 15 2005)

SHORT TERM (REST OF TODAY)...
WITH COLD WET BULB TEMPS AND RAIN CONTINUING...GOING TO EXPAND
ICE STORM WARNING TO INCLUDE THE REST OF THE ADVISORY AREA DUE TO
REPORTS OF UP TO 0.2 INCHES ICE VCNTY CHARLOTTE.

PREVIOUS DISCUSSION...
(ISSUED 357 AM EST THU DEC 15 2005)

SHORT TERM (REST OF TODAY)...
BASED ON EMERGENCY PERSONNEL AND SPOTTER REPORTS OF ACCUMULATIONS
OVER 1/8 INCH...WITH A COUPLE TREES DAMAGED...HAVE EXPANDED ICE
WARNING AREA TO INCLUDE THE REST OF OUR GA COUNTIES AND MOST OF
UPSTATE SC.

PREVIOUS DISCUSSION...
(ISSUED 238 AM EST THU DEC 15 2005)

SHORT TERM (TODAY THROUGH SATURDAY)...
SFC LOW CONTINUES TO DEVELOP ALONG N GULF STATES AS DEEP MOISTURE
SURGES NE OVER AREA. WET BULBS ARE PLENTY COLD AND AS PRECIP
FELL THROUGH WEDGE OF DRY AIR...SFC TEMPS HAVE DROPPED BELOW
FREEZING. WET BULBS INCREASE TO ABOVE FREEZING OVER W MTNS AROUND
DAYBREAK..THEN ALONG S FRINGE BY MID MORNING. THEN AS WARM NOSE
INCREASES WITH WAA AND WEDGE ERODES...EXPECT SFC TEMPS TO
INCREASE TO ABOVE FREEZING FROM SW TO NE AND ALONG WEDGE BOUNDARY.
MODELS DIFFER IN TIMING WITH NAM BEING FASTER ERODING THE WEDGE
BUT WITH HPC SUPPORT...AN THE STRENGTH OF THE COLD DOME...HAVE
TRENDED CLOSER TO THE GFS TIMING. A SIGNIFICANT DRY SLOT IS
APPROACHING FROM THE SW ATTM...BUT RAIN WILL FILL BACK IN LATER
THIS MORNING AS SFC LOW DEVELOPS SW OF HERE AND TRACKS NE. HAVE
MADE A NUMBER OF SMALL ADJUSTMENTS BUT WILL STAY FAIRLY CLOSE TO
CURRENT FORECAST THROUGH TODAY. RAIN MOVES OFF TO THE NE THIS EVE
WITH SOME WRAP AROUND SNOW LINGERING OVER THE TN BORDER MTNS INTO
FRI MORNING. DRY...HIGH PRESSURE BUILDS IN FOR FRI AND SAT.

LONG TERM (SATURDAY NIGHT THROUGH WEDNESDAY)...
UPPER FLOW INITIALLY ZONAL IN MEDIUM RANGE...WITH FAST MOVING
SHORTWAVE DRIVING A SURFACE WAVE ALONG FRONT IN GULF SAT NIGHT AND
SUN...TO SOUTH OF A SURFACE RIDGE ACROSS SE STATES. BEST MOISTURE
MOVES ACROSS S TIER OF AREA. THICKNESS SUFFICIENTLY LOW TO FAVOR
SNOW N TIER AND RAIN S...WITH RAPID TRANSISITION ALONG I-85. RAPID
DRYING BEHIN SSYTEM PERSISTS UNTIL TUE WHEN UPPER TROUGH AMPLIFIES
UPSTREAM AND ANOTHER FAST MOVING SHORTWAVE APPROACHES FROM W. THIS
SYSTEM LACKS MOISTURE OF PREVIOUS SYSTEM...WARRNATING ONLY SLIGHT
CHANCE POPS...BUT WILL BE COLD ENOUGH TO SUPPORT AN ALL SNOW EVENT.
TEMPERATURES WILL RUN BELOW NORMAL WITH COLD SURFACE RIDGE IN
PLACE...THOUGH DIURNAL RANGE WILL BE LOW IN PERIODS OF CLOUD COVER
WITH SHORTWAVES.

AVIATION...
PERIODS OF FREEZING RAIN...ADVERTISED AT ALL TAF SITES THROUGH
DAYBREAK...WITH A MIX OF SLEET AT THE ONSET FOR KAVL. MODEL
OUTPUT STATISTICS IN FAIRLY GOOD AGREEMENT THAT THE DAYTIME HOURS ON
THURSDAY WILL BE DOMINATED BY IFR CEILINGS/VISIBILITIES...LIFR AT
TIMES. PRECIPITATION TYPE SHOULD GRADUALLY TRANSITION TO RAIN FROM
KAND NORTHWARD FROM 12Z TO 16Z...WITH RAIN DOMINATING ALL TAF SITES
THROUGH 00Z. THE OUTLOOK PERIOD FEATURES VCSH AT KGSP/KCLT FOR ANY
REMNANT SHOWERS BUT A RAPID RETURN TO VFR CONDITIONS ADVERTISED AT
ALL LOCATIONS BY THE END OF THE OUTLOOK PERIOD.

&&

.GSP WATCHES/WARNINGS/ADVISORIES...
GA...ICE STORM WARNING FOR GAZ010-017-018-026-028-029 UNTIL 6 PM
     THURSDAY.
NC...ICE STORM WARNING FOR NCZ033>037-049-050-053>057-064>072-082
     UNTIL 6 PM THURSDAY.
  ...FREEZING RAIN ADVISORY FOR NCZ048-052 UNTIL 6 PM THURSDAY.
SC...ICE STORM WARNING FOR SCZ001>014-019 UNTIL 6 PM THURSDAY.
&&

SHORT TERM...MCAVOY
Hazardous weather outlook, Dec 15, 5:59 AM EST, 3 hours 44 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
559 AM EST THU DEC 15 2005

GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-
SCZ001>014-019-161100-
RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-AVERY-CALDWELL-
ALEXANDER-IREDELL-DAVIE-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-
BUNCOMBE-MCDOWELL-BURKE-CATAWBA-ROWAN-GRAHAM-NORTHERN JACKSON-
MACON-SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON-POLK-RUTHERFORD-
CLEVELAND-LINCOLN-GASTON-MECKLENBURG-CABARRUS-UNION NC-
OCONEE MOUNTAINS-PICKENS MOUNTAINS-GREENVILLE MOUNTAINS-
GREATER OCONEE-GREATER PICKENS-GREATER GREENVILLE-SPARTANBURG-
CHEROKEE-YORK-ANDERSON-ABBEVILLE-LAURENS-UNION SC-CHESTER-
GREENWOOD-
559 AM EST THU DEC 15 2005

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

.DAY ONE...TODAY AND TONIGHT

AN ICE STORM WARNING HAS BEEN ISSUED FOR FAR NORTHEAST
GEORGIA...UPSTATE SOUTH CAROLINA AND THE SOUTHEASTERN
MOUNTAINS...FOOTHILLS AND PIEDMONT OF NORTH CAROLINA. SEE
CAEWSWGSP FOR DETAILS.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

THERE IS A CHANCE OF SNOW SUNDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

RB

In the hours before

Local storm report, Dec 15, 6:07 AM EST, 3 hours 36 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
607 AM EST THU DEC 15 2005

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

0540 AM     ICE STORM        ANDERSON                34.52N 82.65W
12/15/2005                   ANDERSON           SC   COUNTY OFFICIAL

            ICY ROADS POWER LINES DOWN 1/4 INCH ICE ON TREES

0540 AM     ICE STORM        LAURENS                 34.50N 82.03W
12/15/2005                   LAURENS            SC   COUNTY OFFICIAL

            ROADS ICY 1/4 INCH OF ICE POWERLINES AND TREES DOWN

0540 AM     ICE STORM        CLARKESVILLE            34.61N 83.52W
12/15/2005                   HABERSHAM          GA   COUNTY OFFICIAL

            POWERLINES AND TREES DOWN ROADS ICY 1/4 INCH ICE

0540 AM     ICE STORM        GREER                   34.94N 82.23W
12/15/2005                   GREENVILLE         SC   COUNTY OFFICIAL

            POWER LINES AND TREES DOWN ROADS ICY 1/4 ICE

0530 AM     ICE STORM        ROCK HILL               34.94N 81.03W
12/15/2005                   YORK               SC   COUNTY OFFICIAL

            POWERLINES AND TREES DOWN ICE ON ROADS 1/4 INCH ICE

0530 AM     ICE STORM        ABBEVILLE               34.18N 82.38W
12/15/2005                   ABBEVILLE          SC   COUNTY OFFICIAL

            TREES AND POWERLINES DOWN ICE ON ROADS AND BRIDGES 1/4
            INCH ICE

0530 AM     ICE STORM        GREENWOOD               34.19N 82.15W
12/15/2005                   GREENWOOD          SC   COUNTY OFFICIAL

            POWER LINES AND TREES DOWN ROADS ICY

0530 AM     ICE STORM        LAVONIA                 34.44N 83.11W
12/15/2005                   FRANKLIN           GA   COUNTY OFFICIAL

            POWER OUTAGES TREES DOWN. ROADS ICY

0530 AM     ICE STORM        HARTWELL                34.35N 82.93W
12/15/2005                   HART               GA   COUNTY OFFICIAL

            POWERLINES AND TREES DOWN ROADS ICY

0530 AM     ICE STORM        GASTONIA                35.25N 81.17W
12/15/2005                   GASTON             NC   COUNTY OFFICIAL

            TREES AND POWERLINES DOWN

&&

PTANNER
Local storm report, Dec 15, 6:13 AM EST, 3 hours 30 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
613 AM EST THU DEC 15 2005

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

0530 AM     ICE STORM        GREENVILLE              34.84N 82.37W
12/15/2005                   GREENVILLE         SC   BROADCAST MEDIA

            POWER OUTAGES ROADS ICY 1/4 ICE

0530 AM     ICE STORM        PICKENS                 34.88N 82.71W
12/15/2005                   PICKENS            SC   BROADCAST MEDIA

            TREES AND POWERLINES DOWN ICY ROADS

&&

PTANNER

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 15, 7:36 AM ESTFreezing Rain AdvisoryGSPHaywood, Madison10 hr

Nearby

Wind Advisories in North Carolina, 2005Wind Advisories in Georgia, 2005Wind Advisories in South Carolina, 2005Every wind advisory in 2005

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.