Alert archive / North Carolina / Wind Advisories in 2015

Wind Advisory 18, NWS Greenville-Spartanburg, SC

December 23, 20156 counties in North Carolina

NWS Greenville-Spartanburg, SC issued this wind advisory at Dec 23, 2015, 1:08 PM EST for 6 counties in North Carolina. It took effect at Dec 23, 2015, 4:00 PM EST. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued
Dec 23, 2015, 1:08 PM EST (18:08 UTC)
In effect from
Dec 23, 2015, 4:00 PM EST
Expired
Dec 24, 2015, 3:11 AM EST
In force
11 hr
Issued by
NWS Greenville-Spartanburg, SC

Counties Graham County, NC, Haywood County, NC, Jackson County, NC, Macon County, NC, Swain County, NC, Transylvania County, NC

The radar

The Knoxville radar (KMRX), 93 km from the middle of the area, began a volume at 18:08 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, 6.1 hours before the alert went out and 246 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 2015-12-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 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 2015-12-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 157 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
526 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
157 m²/s²
0-3 km storm-relative helicity
126 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.

844 
WWUS72 KGSP 231808
NPWGSP

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
108 PM EST WED DEC 23 2015

...VERY WINDY CONDITIONS TO DEVELOP OVER THE HIGHER ELEVATIONS OF
THE SOUTHWESTERN NORTH CAROLINA MOUNTAINS TOWARD EVENING...

.GUSTY SOUTH TO SOUTHWEST WINDS WILL DEVELOP ACROSS THE HIGHER
ELEVATIONS OF THE NORTH CAROLINA MOUNTAINS EARLY THIS
EVENING...AND PERSIST OVERNIGHT...EAST OF A SLOWLY ADVANCING COLD
FRONT. THE HIGHEST GUSTS SHOULD AFFECT THE HIGHER ELEVATIONS OF
THE SMOKIES...BALSAMS...AND SURROUNDING AREAS.

NCZ035-036-056-068-069-502-504-508-510-231915-
/O.EXP.KGSP.FG.Y.0017.000000T0000Z-151223T1800Z/
ALEXANDER-IREDELL-CATAWBA-CLEVELAND-LINCOLN-GREATER CALDWELL-
GREATER BURKE-GREATER RUTHERFORD-EASTERN POLK-
INCLUDING THE CITIES OF...BETHLEHEM...TAYLORSVILLE...
STONY POINT...STATESVILLE...MOORESVILLE...HICKORY...NEWTON...
ST. STEPHENS...SHELBY...KINGS MOUNTAIN...LINCOLNTON...LENOIR...
MORGANTON...FOREST CITY...RUTHERFORDTON...COLUMBUS
108 PM EST WED DEC 23 2015

...DENSE FOG ADVISORY HAS EXPIRED...

PATCHY FOG AND OCCASIONALLY HEAVY SHOWERS MAY CONTINUE TO REDUCE
VISIBILITY TO 1 TO 2 MILES AT TIMES THROUGH THIS EVENING.
WIDESPREAD DENSE FOG...HOWEVER...HAS LARGELY DISSIPATED.

$$

NCZ051-052-058-059-062>064-240500-
/O.NEW.KGSP.WI.Y.0018.151223T2100Z-151224T1200Z/
SWAIN-HAYWOOD-GRAHAM-NORTHERN JACKSON-MACON-SOUTHERN JACKSON-
TRANSYLVANIA-
INCLUDING THE CITIES OF...WAYNESVILLE...LAKE JUNALUSKA...
HIGHLANDS
108 PM EST WED DEC 23 2015

...WIND ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO 7 AM EST
THURSDAY ABOVE 3500 FEET...

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED
A WIND ADVISORY ABOVE 3500 FEET...WHICH IS IN EFFECT FROM 4 PM
THIS AFTERNOON TO 7 AM EST THURSDAY.

* LOCATIONS...ELEVATIONS ABOVE 3500 FEET IN THE SOUTHWEST
  MOUNTAINS OF WESTERN NORTH CAROLINA.

* HAZARDS...VERY WINDY CONDITIONS.

* TIMING...SOUTH TO SOUTHWEST WINDS WILL INCREASE THROUGH THE LATE
  AFTERNOON HOURS AND MAXIMIZE TONIGHT BEFORE DECREASING SLIGHTLY
  LATE THURSDAY MORNING.

* WINDS...SOUTH 15 TO 25 MPH WITH GUSTS OF 40 TO 50 MPH ALONG THE
  HIGHER RIDGE TOPS.

* IMPACTS...THESE WIND GUSTS COULD BLOW DOWN A FEW TREES AND
  POWER LINES...ESPECIALLY GIVEN THE WET SOIL CONDITIONS.

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
2 follow-up statements
803 
WWUS72 KGSP 231951
NPWGSP

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
251 PM EST WED DEC 23 2015

...VERY WINDY CONDITIONS DEVELOPING OVER THE HIGHER ELEVATIONS OF
THE SOUTHWESTERN NORTH CAROLINA MOUNTAINS TOWARD EVENING...

.GUSTY SOUTH TO SOUTHWEST WINDS WILL DEVELOP ACROSS THE HIGHER
ELEVATIONS OF THE NORTH CAROLINA MOUNTAINS LATE THIS AFTERNOON AND
PERSIST OVERNIGHT...EAST OF A SLOWLY ADVANCING COLD FRONT. THE
HIGHEST GUSTS SHOULD AFFECT THE HIGHER ELEVATIONS OF THE
SMOKIES...BALSAMS...AND SURROUNDING AREAS.

NCZ051-052-058-059-062>064-240400-
/O.CON.KGSP.WI.Y.0018.151223T2100Z-151224T1200Z/
SWAIN-HAYWOOD-GRAHAM-NORTHERN JACKSON-MACON-SOUTHERN JACKSON-
TRANSYLVANIA-
INCLUDING THE CITIES OF...WAYNESVILLE...LAKE JUNALUSKA...
HIGHLANDS
251 PM EST WED DEC 23 2015

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THURSDAY ABOVE
3500 FEET...

* LOCATIONS...ELEVATIONS ABOVE 3500 FEET IN THE SOUTHWEST 
  MOUNTAINS OF WESTERN NORTH CAROLINA.

* HAZARDS...VERY WINDY CONDITIONS.

* TIMING...SOUTH TO SOUTHWEST WINDS WILL INCREASE THROUGH THE
  EVENING HOURS AND MAXIMIZE OVERNIGHT BEFORE DECREASING SLIGHTLY
  LATE THURSDAY MORNING.

* WINDS...SOUTH 15 TO 25 MPH WITH GUSTS OF 40 TO 50 MPH ALONG 
  THE HIGHER RIDGE TOPS.

* IMPACTS...THESE WIND GUSTS COULD BLOW DOWN A FEW TREES AND 
  POWER LINES...ESPECIALLY GIVEN THE WET SOIL CONDITIONS.

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
720 
WWUS72 KGSP 240811
NPWGSP

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
311 AM EST THU DEC 24 2015

NCZ051-052-058-059-062>064-240915-
/O.CAN.KGSP.WI.Y.0018.000000T0000Z-151224T1200Z/
SWAIN-HAYWOOD-GRAHAM-NORTHERN JACKSON-MACON-SOUTHERN JACKSON-
TRANSYLVANIA-
311 AM EST THU DEC 24 2015

...WIND ADVISORY IS CANCELLED...

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

ALTHOUGH GUSTY WINDS WILL REMAIN ACROSS THE HIGHER ELEVATIONS OF
THE NORTH CAROLINA MOUNTAINS TODAY...MOST LOCATIONS WILL NOT SEE
WIND GUSTS IN EXCESS OF 45 MPH. HOWEVER...THE GUSTY WINDS MAY
STILL CAUSE AN ISOLATED TREE TO FALL GIVEN THE WET SOIL
CONDITIONS. 

$$

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 23, 10:23 AM EST, 2 hours 45 minutes earlier.

Area forecast discussion, Dec 23, 10:23 AM EST, 2 hours 45 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1023 AM EST WED DEC 23 2015

.SYNOPSIS...
A WARM AND MOIST WEATHER PATTERN WILL PERSIST ACROSS THE REGION
THROUGH CHRISTMAS DAY. UNSETTLED WEATHER AND ABOVE NORMAL
TEMPERATURES WILL CONTINUE THROUGH EARLY NEXT WEEK.

&&

.NEAR TERM /THROUGH TONIGHT/...
AS OF 1000 AM EST...THE MIXING ON SE FLOW AND THE INCREASED RAINFALL
RATES ARRIVING FROM THE SOUTH ARE SCATTERING THE DENSE FOG...BUT
LEAVING ONE HALF MILE TO TWO MILE VSBY IN PLACE UNDER THE HEAVIEST
SHOWERS. HAVE ALLOWED THE DENSE FOG ADVISORY TO EXPIRE ACROSS THE
SRN AND FAR WRN SECTIONS...BUT EXTENDED IT ACROSS THE NC FOOTHILLS
AND NW PIEDMONT WHERE LIGHT SFC NE WINDS AND MORE MEAGER
RATES/MIXING WILL CONTINUE.

DEWPOINTS RISING IN THE LOWER TO MIDDLE 60S CONTINUES TO ALLOW SOME
WEAK CONVECTION TO DEVELOP ALONG THE LOWER PIEDMONT. INSTABILITY
WILL STEADILY CREEP NW AND 850 MB FLOW GRADUALLY STRENGTHENS TO
PERMIT A BETTER OVERLAP OF SFC BASED CAPE AND SFC TO 3 KM SHEAR.
EXPECT THAT CONVECTION WILL NEED TO BE WATCHED EVEN MORE CLOSELY FOR
ISOLD SEVERE POTENTIAL IN THE SE THIRD BY EVENING. ALSO...THE
IMPROVING 850 MB FLOW SHOULD MAXIMIZE THIS EVENING...POSSIBLY
REQUIRING A HIGH ELEVATION WIND ADVISORY OVER THE SW NC MTNS. THIS
MAY BE POSTED LATER THIS AFTERNOON.

OTHERWISE...WEAK SHORTWAVES WILL CONTINUE TO MOVE THROUGH ALOFT IN
THE DEEP LAYER SW FLOW...WITH SOME UPPER SUPPORT FROM WEAK JET
DIVERGENCE THROUGH THE PERIOD. THE LOW LEVEL JET BACKS AND
STRENGTHENS THROUGH THE PERIOD...KEEPING COPIOUS LOW LEVEL MOISTURE
OVER THE AREA. WILL KEEP WIDESPREAD SHRA OVER THE AREA THRU THE DAY
AS WELL. WITH THE UPSLOPE AND LOW LEVEL FLOW...PERIODS OF HEAVY RAIN
ARE EXPECTED TODAY AND TONIGHT...WITH THE HEAVIEST RAINFALL ANYWHERE
FROM ALONG AND EITHER SIDE OF THE BLUE RIDGE...SOUTH AND WEST INTO
MUCH OF THE UPSTATE AND NE GA...WITH A SECONDARY MAX OVER THE
PIEDMONT IN BETTER CONVECTION. TONIGHT...THE BEST PRECIP COVERAGE
WILL SHIFT WEST TO THE MTNS AND FOOTHILLS OF THE CAROLINAS AND NE
GA...AS WILL THE HEAVY RAIN THREAT. THE FLASH FLOOD WATCH WILL
CONTINUE.

THE LOW LEVEL INVERSION CONTINUES TO ERODES TONIGHT. THIS COMBINED
WITH STRENGTHENING LAPSE RATES WILL ALLOW SOME INSTABILITY TO
DEVELOP AND CONTINUE THRU THE NIGHT. THAT SAID...INSTABILITY REMAINS
WEAK AS THE LAPSE RATES DO NOT STRENGTHEN SIGNIFICANTLY. THERE WILL
BE QUITE A BIT OF SPEED AND DIRECTIONAL SHEAR AS THE LOW LEVEL JET
STRENGTHENS. HELICITY VALUES AND EFFECTIVE BULK SHEAR WILL BE QUITE
HIGH. HOWEVER...THE FCST SIGNIFICANT TORNADO PARAMETER VALUES HAVE
COME DOWN FROM PREVIOUS FCSTS AND WEAKEN SIGNIFICANTLY INTO OUR
AREA. THAT SAID...VALUES FROM 1 TO 2 ARE STILL FCST WHICH ARE
RELATIVELY HIGH FOR THIS AREA AND TIME OF YEAR. SPC HAS PUT MOST OF
THE AREA IN A MARGINAL RISK OF SEVERE STORMS...WITH A SMALL AREA OF
THE SWRN NC MTNS AND NE GA MTNS IN A SLIGHT RISK. THEREFORE... WILL
NEED TO KEEP ANY EYE OF THE HEAVY RAIN THREAT ALONG WITH SEVERE
STORMS AND POSSIBLY TORNADOES. HIGHS TODAY WILL BE 15 TO 20 DEGREES
ABOVE NORMAL...BUT REMAIN SEVERAL DEGREES BELOW RECORD TERRITORY.
LOWS TONIGHT WILL BE AN INCREDIBLE 30 TO 35 DEGREES ABOVE
NORMAL...WHICH WILL THREATEN THE RECORDS FOR WARMEST MINIMUM TEMPS.

&&

.SHORT TERM /THURSDAY THROUGH FRIDAY NIGHT/...
AT 230 AM WEDNESDAY...ON THURSDAY MORNING AND UPPER TROUGH WILL BE
OVER THE WESTERN ATLANTIC THURSDAY MORNING...WHILE A BROAD UPPER
TROUGH WILL EXTEND ACROSS ALL BUT EASTERN MOST PORTION OF THE USA.
THE UPPER TROUGH WILL AMPLIFY OVER THE ROCKIES THROUGH FRIDAY
NIGHT...WHILE THE UPPER RIDGE FLATTENS AND BUILDS WEST OVER THE
EASTERN USA.

AT THE SURFACE...A WEAK AND NEARLY STATIONARY FRONT WILL BE LOCATED
OVER THE SOUTHERN APPALACHIANS THURSDAY MORNING. GULF MOISTURE WILL
STREAM NORTHEAST ALONG THIS BOUNDARY AND OVER NE GA AND THE WESTERN
CAROLINAS THROUGH THURSDAY NIGHT. THE REMAINS OF THE FRONT SLOWLY
LIFTS NORTH ON FRIDAY WHILE LOW LEVEL FLOW WEAKENS AND BACKS FROM SE
TO S...INTRODUCING MODEST ISENTROPIC UPGLIDE AND UPSLOPE FLOW OVER
OUR AREA.

MODERATE INSTABILITY WILL BE PRESENT ON THURSDAY...BUT SHEAR WILL BE
MARGINAL...AND BOTH FACTORS DIMINISH ON THURSDAY NIGHT. INSTABILITY
WILL BE GREATER ON FRIDAY...ESPECIALLY OVER THE SC PIEDMONT...BUT
THE BEST SHEAR WILL BE TO OUR NORTH NEAR THE TN BORDER. PARAMETERS
DECREASE AGAIN ON FRIDAY NIGHT. PRECIPITATION TOTALS ARE EXPECTED TO
BE LIMITED DUE TO THE NATURE OF THE LOW LEVEL FLOW...WITH PERHAPS
TWO INCHES IN THE ELLICOT ROCK AREA WHERE NC...GA AND SC MEET...AND
MUCH LOWER TO THE NORTH...EAST..AND SOUTH. MAXIMUM TEMPERATURES WILL
RUN AROUND 20 DEGREES ABOVE NORMAL UNDER THE UPPER RIDGE...AND
MINIMUMS WILL RUN AROUND 30 DEGREES ABOVE NORMAL DUE TO ROBUST
MOISTURE.

&&

.LONG TERM /SATURDAY THROUGH TUESDAY/...
AT 230 AM WEDNESDAY...ON SATURDAY MORNING AN UPPER TROUGH WILL BE
AMPLIFYING OVER THE ROCKIES...WHILE AND ATLANTIC RIDGE KEEPS A GRIP
OVER THE SOUTHEAST USA. AN UPPER LOW CLOSES OFF IN THE BASED OS THE
WESTERN TROUGH...WHILE THE NORTHERN STREAM PROGRESSES AND GOES OUT
OH PHASE WITH THE SOUTHERN STREAM. THE CLOSED LOW REACHES WEST TX ON
SUNDAY...OK ON MONDAY...AND THE GREAT LAKES ON TUESDAY...WHILE THE
UPPER RIDGE GRADUALLY BREAKS DOWN OVER THE SE USA.

AT THE SURFACE...ON SATURDAY MORNING A WARM FRONT WILL BE OVER THE
OH AND POTOMAC RIVER VALLEYS...WHILE PRONOUNCED GULF INFLOW SPREADS
MOISTURE OVER THE GULF STATES. THIS GULF INFLOW SPREAD EAST TO OUR
AREA BY MONDAY AS A COLD FRONT MOVES ACROSS THE GULF STATE. BY
TUESDAY THE FRONT REACHES THE SOUTHERN APPALACHIANS...WHERE IT
STALLS AND WEAKENS...WHILE GULF INFLOW ALONG THE BOUNDARY PERSISTS.

AT THIS POINT PRECIPITATION IS EXPECTED TO BE RATHER LIGHT UNTIL THE
FRONT ACTUALLY REACHES THE MOUNTAINS...WHEN RAINFALL WILL INCREASE
SOMEWHAT. WITH LOW LEVEL FLOW VEERING SOUTHWESTERLY AS THE FRONT
APPROACHES...ISENTROPIC UPGLIDE AND UPSLOPE FLOW WILL BE
LACKING...LIMITING PRECIPITATION AMOUNTS. TEMPERATURES WILL TREND
DOWNWARD AS THE RIDGE BREAKS DOWN...BUT WILL STILL REMAIN ABOVE
NORMAL.

&&

.AVIATION /16Z WEDNESDAY THROUGH SUNDAY/...
AT KCLT...VFR VSBY HAS DEVELOPED IN SE FLOW AND MIXING...BUT LIFR
CIGS WILL CONTINUE IN THE ABUNDANT LOW LEVEL MOISTURE. TEMPO TSRA
HAS BEEN ADDED THROUGH 17Z...WITH A LATE DAY PROB30 FEATURED AS WELL
AS THE LOW LEVEL JET IMPROVES. LIGHT SELY WIND INCREASES IN SPEED
DURING THE AFTERNOON AND TURNS SLY AND GUSTY FOR THE EVENING AND
OVERNIGHT.

ELSEWHERE...KHKY SHOULD REMAIN 1/4 SM MILE IN FOG WELL INTO THE
AFTN...BUT KAVL AND SC TAF SITES HAVE IMPROVED SOMEWHAT IN MIXING
FROM HEAVIER RAIN SHOWERS. LIFR CIGS WILL CONTINUE. MODERATE TO
HEAVY SHOWERS WILL BECOME WIDESPREAD BUT WILL FEATURE ONLY PROB30
FOR TSRA AT ALL LOCATIONS LATE DAY AS GUIDANCE IS SHOWING AT LEAST
WEAK INSTABILITY MOST AREAS. HOWEVER...TIMING VARIES. WINDS SHOW
SIMILAR TRENDS.

OUTLOOK...DEEP LAYER MOISTURE ASSOCIATED WITH AN APPROACHING
COLD FRONT WILL CONTINUE TO OVERSPREAD THE REGION FROM THE SW
THROUGH THURSDAY...AND POSSIBLY INTO FRIDAY. EXPECT WIDESPREAD
PRECIPITATION AT TIMES COUPLED WITH IFR OR WORSE VSBY AND CIG
RESTRICTIONS THROUGH LATE WEEK. MODEST IMPROVEMENT IS POSSIBLE
TOWARD THE WEEKEND...BUT WITH CONTINUED UNSETTLED CONDITIONS.

CONFIDENCE TABLE...

            15-21Z        21-03Z        03-09Z        09-12Z
KCLT       LOW   55%     MED   70%     MED   77%     LOW   46%
KGSP       MED   76%     MED   79%     LOW   58%     LOW   58%
KAVL       MED   76%     HIGH  81%     HIGH  85%     HIGH  84%
KHKY       LOW   44%     HIGH  87%     MED   73%     MED   66%
KGMU       MED   70%     MED   77%     HIGH  81%     MED   74%
KAND       MED   76%     HIGH  83%     MED   65%     LOW   42%

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/AVIATION

&&

.CLIMATE...
DAILY MAXIMUM TEMPERATURE RECORDS FOR WEDNESDAY DECEMBER 23...

 AVL   69    1933
 CLT   73    1990
 GSP   70    1970...1933

DAILY MAXIMUM TEMPERATURE RECORDS FOR THURSDAY DECEMBER 24...

 AVL   72    1955
 CLT   71    1982...1931
 GSP   71    1964

DAILY MAXIMUM TEMPERATURE RECORDS FOR FRIDAY DECEMBER 25...

 AVL   67    1955...1944...1904
 CLT   77    1955
 GSP   78    1955

DAILY HIGH MINIMUM TEMPERATURE RECORDS FOR WEDNESDAY DEC 23...

 AVL   59    1990
 CLT   63    1990
 GSP   61    1990

DAILY HIGH MINIMUM TEMPERATURE RECORDS FOR THURSDAY DEC 24...

 AVL   54    1932
 CLT   56    1891
 GSP   55    1931

DAILY HIGH MINIMUM TEMPERATURE RECORDS FOR FRIDAY DEC 25...

 AVL   55    1982
 CLT   62    1932
 GSP   56    1964

&&

.GSP WATCHES/WARNINGS/ADVISORIES...
GA...FLASH FLOOD WATCH THROUGH THURSDAY EVENING FOR GAZ010-017-018-
     026-028-029.
NC...FLASH FLOOD WATCH THROUGH THURSDAY EVENING FOR NCZ033-035>037-
     048>053-056>059-062>065-068>072-082-501>510.
     DENSE FOG ADVISORY UNTIL 1 PM EST THIS AFTERNOON FOR NCZ035-
     036-056-068-069-502-504-508-510.
SC...FLASH FLOOD WATCH THROUGH THURSDAY EVENING FOR SCZ001>014-019.

&&

SYNOPSIS...DEO
NEAR TERM...HG/RWH
SHORT TERM...JAT
LONG TERM...JAT
AVIATION...HG/RWH
CLIMATE...ARK
Hazardous weather outlook, Dec 23, 10:25 AM EST, 2 hours 43 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1025 AM EST WED DEC 23 2015

GAZ010-017-018-026-028-029-NCZ033-037-048>053-057>059-062>065-
070>072-082-501-503-505>507-509-SCZ001>014-019-241530-
RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-AVERY-DAVIE-MADISON-
YANCEY-MITCHELL-SWAIN-HAYWOOD-BUNCOMBE-ROWAN-GRAHAM-NORTHERN JACKSON-
MACON-SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON-GASTON-MECKLENBURG-
CABARRUS-UNION-CALDWELL MOUNTAINS-BURKE MOUNTAINS-MCDOWELL MOUNTAINS-
EASTERN MCDOWELL-RUTHERFORD MOUNTAINS-POLK MOUNTAINS-
OCONEE MOUNTAINS-PICKENS MOUNTAINS-GREENVILLE MOUNTAINS-
GREATER OCONEE-GREATER PICKENS-GREATER GREENVILLE-SPARTANBURG-
CHEROKEE-YORK-ANDERSON-ABBEVILLE-LAURENS-CHESTER-GREENWOOD-
1025 AM EST WED DEC 23 2015

...FLASH FLOOD WATCH IN EFFECT THROUGH THURSDAY EVENING...

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

.DAY ONE...TODAY AND TONIGHT.

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

   FLASH FLOOD WATCH.

THUNDERSTORMS ARE IN THE FORECAST TODAY AND TONIGHT. SOME OF THESE
THUNDERSTORMS COULD BE SEVERE...PRODUCING DAMAGING WINDS...AND
POSSIBLY AN ISOLATED TORNADO. THE ENVIRONMENT APPEARS THE MOST
SUPPORTIVE FOR SEVERE WEATHER EAST OF INTERSTATE 85 AND ACROSS THE
EXTREME WESTERN NORTH CAROLINA MOUNTAINS.

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

..THURSDAY...HEAVY RAIN WITH FLASH FLOODING LIKELY. SEE FLASH
FLOOD WATCH.
..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.
..MONDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..TUESDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTERS ARE REQUESTED TO FORWARD ANY REPORTS OF DAMAGING
WINDS...TORNADOES OR FLASH FLOODING TO OUR OFFICE.

NCZ035-036-056-068-069-502-504-508-510-241530-
ALEXANDER-IREDELL-CATAWBA-CLEVELAND-LINCOLN-GREATER CALDWELL-
GREATER BURKE-GREATER RUTHERFORD-EASTERN POLK-
1025 AM EST WED DEC 23 2015

...DENSE FOG ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON...
...FLASH FLOOD WATCH IN EFFECT THROUGH THURSDAY EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PIEDMONT NORTH CAROLINA AND
WESTERN NORTH CAROLINA.

.DAY ONE...TODAY AND TONIGHT.

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

   DENSE FOG ADVISORY.
   FLASH FLOOD WATCH.

THUNDERSTORMS ARE IN THE FORECAST TODAY AND TONIGHT. THESE STORMS
WILL LIKELY PRODUCE CLOUD TO GROUND LIGHTNING...GUSTY WINDS...AND
HEAVY DOWNPOURS.

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

..THURSDAY...HEAVY RAIN WITH FLASH FLOODING LIKELY. SEE FLASH
FLOOD WATCH.
..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.
..MONDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..TUESDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTERS ARE REQUESTED TO FORWARD ANY REPORTS OF FLASH
FLOODING TO OUR OFFICE.

NED

In the hours before

Special weather statement, Dec 23, 9:54 AM EST, 3 hours 14 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
954 AM EST WED DEC 23 2015

SCZ011-019-231530-
ABBEVILLE SC-GREENWOOD SC-
954 AM EST WED DEC 23 2015

...STRONG THUNDERSTORM WILL IMPACT PORTIONS OF NORTHWESTERN GREENWOOD
AND EASTERN ABBEVILLE COUNTIES UNTIL 1030 AM EST...

AT 953 AM EST...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 4
MILES SOUTHWEST OF ABBEVILLE...MOVING NORTHEAST AT 50 MPH.

WIND GUSTS UP TO 45 MPH WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
GREENWOOD...ABBEVILLE...WARE SHOALS...DUE WEST...DONALDS...
COKESBURY...HODGES...SHOALS JUNCTION...LAKE GREENWOOD AND PROMISED
LAND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

GUSTY WINDS CAN BLOW DOWN TREES THAT ARE DEAD...OR THAT HAVE WEAKENED
ROOT SYSTEMS. OUTDOOR FURNITURE AND SIMILAR ITEMS CAN BE TOSSED
AROUND IF NOT ANCHORED. SEEK SHELTER INDOORS.

TORRENTIAL RAINFALL MAY FLOOD AREAS WITH POOR DRAINAGE...SUCH AS
DITCHES AND UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED
ROADS. WATER LEVELS OF SMALL STREAMS AND RIVERS MAY ALSO RISE
RAPIDLY. SEEK HIGHER GROUND IF THREATENED BY FLOOD WATERS.

&&

LAT...LON 3406 8233 3406 8244 3408 8248 3407 8251
      3411 8258 3446 8229 3440 8224 3437 8218
      3433 8217 3432 8214 3431 8212 3430 8208
      3427 8205 3424 8200 3401 8232
TIME...MOT...LOC 1453Z 225DEG 50KT 3413 8243

CDG
Special weather statement, Dec 23, 10:38 AM EST, 2 hours 30 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1038 AM EST WED DEC 23 2015

SCZ011-019-231630-
ABBEVILLE SC-GREENWOOD SC-
1038 AM EST WED DEC 23 2015

...STRONG THUNDERSTORM WILL IMPACT PORTIONS OF CENTRAL GREENWOOD AND
SOUTHEASTERN ABBEVILLE COUNTIES UNTIL 1130 AM EST...

AT 1037 AM EST...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 7
MILES SOUTHWEST OF ABBEVILLE...MOVING NORTHEAST AT 40 MPH.

WIND GUSTS UP TO 45 MPH WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
GREENWOOD...ABBEVILLE...WARE SHOALS...NINETY SIX...COKESBURY...
HODGES...NINETY SIX HISTORIC SITE...SHOALS JUNCTION...GREENWOOD STATE
PARK AND LAKE GREENWOOD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL MAY FLOOD AREAS WITH POOR DRAINAGE...SUCH AS
DITCHES AND UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED
ROADS. WATER LEVELS OF SMALL STREAMS AND RIVERS MAY ALSO RISE
RAPIDLY. SEEK HIGHER GROUND IF THREATENED BY FLOOD WATERS.

FREQUENT LIGHTNING IS OCCURRING WITH THIS STORM. IF OUTDOORS...TRY TO
GET INDOORS OR INTO A HARD TOPPED VEHICLE. OTHERWISE...STAY AWAY FROM
OPEN AREAS AND ISOLATED HIGH OBJECTS SUCH AS TREES. WHEN INDOORS...
STAY AWAY FROM WINDOWS AND DOORS AND AVOID USING WIRED ELECTRONIC
DEVICES. TRY TO UNPLUG UNNECESSARY APPLIANCES BEFORE THE STORM
APPROACHES.

&&

LAT...LON 3406 8233 3406 8237 3417 8247 3442 8228
      3437 8219 3433 8217 3432 8214 3431 8212
      3430 8208 3424 8201 3424 8198 3420 8194
      3419 8192 3418 8192 3418 8191 3417 8191
      3404 8232
TIME...MOT...LOC 1537Z 234DEG 36KT 3408 8245

CDG

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 23, 12:05 PM ESTAreal Flood AdvisoryGSPMecklenburg115 min
Dec 23, 12:48 PM ESTAreal Flood AdvisoryGSPCleveland, Gaston117 min
Dec 23, 2:01 PM ESTAreal Flood AdvisoryGSPMecklenburg119 min
Dec 23, 2:58 PM ESTSpecial Weather StatementGSPUnion32 min
Dec 23, 3:20 PM ESTAreal Flood AdvisoryGSPUnion115 min
Dec 23, 4:30 PM ESTAreal Flood AdvisoryGSPCabarrus, Mecklenburg3 hr

Nearby

Wind Advisories in North Carolina, 2015Every wind advisory in 2015

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.