Alert archive / North Carolina / Wind Advisories in 2008
Wind Advisory 19, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this wind advisory at Dec 21, 2008, 4:21 AM EST for 10 counties in North Carolina. It took effect at Dec 21, 2008, 5:00 AM EST. It was in force for 25 hr.
The area
The counties it named.
The facts
- Issued
- Dec 21, 2008, 4:21 AM EST (09:21 UTC)
- In effect from
- Dec 21, 2008, 5:00 AM EST
- Expired
- Dec 22, 2008, 6:00 AM EST
- In force
- 25 hr
- Issued by
- NWS Greenville-Spartanburg, SC
Counties Avery County, NC, Buncombe County, NC, Burke County, NC, Caldwell County, NC, Henderson County, NC, Madison County, NC, McDowell County, NC, Mitchell County, NC, Rutherford County, NC, Yancey County, NC
The radar
The Greer radar (KGSP), 98 km from the middle of the area, began a volume at 09:24 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, 9.4 hours before the alert went out and 204 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.
- Mixed-layer CAPE
- 6 J/kg
- Mixed-layer CIN
- -101 J/kg
- Mixed-layer LCL
- 517 m above ground
- 0-6 km bulk shear
- 91 kt
- 0-1 km storm-relative helicity
- 232 m²/s²
- 0-3 km storm-relative helicity
- 147 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS72 KGSP 210921 NPWGSP URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 421 AM EST SUN DEC 21 2008 .AFTER A STRONG COLD FRONT PUSHES EAST ACROSS THE WESTERN CAROLINAS AND NORTHEAST GEORGIA EARLY THIS MORNING...THE WIND WILL SHIFT AROUND TO THE WEST AND NORTHWEST AND STRENGTHEN. A BRIEF LULL IN THE WIND IS EXPECTED DURING THE EARLY PART OF THE AFTERNOON...BUT THE WIND SHOULD PICK UP AGAIN LATE IN THE DAY OR EARLY THIS EVENING. THE POTENTIAL FOR THE STRONGEST WIND IS FROM SUNSET TO AROUND MIDNIGHT...WITH THE WIND GRADUALLY DIMINISHING DURING THE EARLY MORNING ON MONDAY. NCZ033-048>050-053-065-501-503-505-507-211730- /O.NEW.KGSP.WI.Y.0019.081221T1000Z-081222T1100Z/ AVERY-MADISON-YANCEY-MITCHELL-BUNCOMBE-HENDERSON- CALDWELL MOUNTAINS-BURKE MOUNTAINS-MCDOWELL MOUNTAINS- RUTHERFORD MOUNTAINS- INCLUDING THE CITIES OF...NEWLAND...SPRUCE PINE...ASHEVILLE... HENDERSONVILLE...LAKE LURE 421 AM EST SUN DEC 21 2008 ...WIND ADVISORY IN EFFECT UNTIL 6 AM EST MONDAY... THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 6 AM EST MONDAY...FOR PARTS OF THE NORTH CAROLINA MOUNTAINS AND FOOTHILLS. A FEW WIND GUSTS OF 40 TO 45 ARE POSSIBLE THIS MORNING AFTER THE FRONT MOVES THROUGH. AFTER A RELATIVE LULL IN THE WIND EARLY THIS AFTERNOON...THE WIND SHOULD PICK UP AGAIN IN THE LATE AFTERNOON AND EARLY EVENING. THE STRONGEST WINDS ARE EXPECTED TO OCCUR THIS EVENING. GUSTS IN THE 50 TO 60 MPH RANGE ARE NOT OUT OF THE QUESTION ON RIDGETOPS AND MOUNTAIN PEAKS...BUT LOCATIONS IN THE VALLEYS AND THE FOOTHILLS WILL SEE GUSTS MORE ON THE ORDER OF 40 TO 50 MPH. 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. $$ GAZ010-017-018-026-028-029-NCZ035>037-051-052-056>059-062>064- 068>072-082-502-504-506-508>510-SCZ001>014-019-211730- /O.NEW.KGSP.LW.Y.0045.081221T1000Z-081222T1100Z/ RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-ALEXANDER-IREDELL- DAVIE-SWAIN-HAYWOOD-CATAWBA-ROWAN-GRAHAM-NORTHERN JACKSON-MACON- SOUTHERN JACKSON-TRANSYLVANIA-CLEVELAND-LINCOLN-GASTON- MECKLENBURG-CABARRUS-UNION NC-GREATER CALDWELL-GREATER BURKE- EASTERN MCDOWELL-GREATER RUTHERFORD-POLK MOUNTAINS-EASTERN POLK- OCONEE MOUNTAINS-PICKENS MOUNTAINS-GREENVILLE MOUNTAINS- GREATER OCONEE-GREATER PICKENS-GREATER GREENVILLE-SPARTANBURG- CHEROKEE-YORK-ANDERSON-ABBEVILLE-LAURENS-UNION SC-CHESTER- GREENWOOD- INCLUDING THE CITIES OF...CLAYTON...CLARKESVILLE...TOCCOA... HARTWELL...ELBERTON...STATESVILLE...MOCKSVILLE...CHEROKEE... WAYNESVILLE...HICKORY...SALISBURY...SYLVA...FRANKLIN...BREVARD... SHELBY...LINCOLNTON...GASTONIA...CHARLOTTE...CONCORD...MONROE... LENOIR...MORGANTON...MARION...RUTHERFORD...COLUMBUS... GREENVILLE...SPARTANBURG...GAFFNEY...ROCK HILL...ANDERSON... ABBEVILLE...LAURENS...UNION...CHESTER...GREENWOOD 421 AM EST SUN DEC 21 2008 ...LAKE WIND ADVISORY IN EFFECT UNTIL 6 AM EST MONDAY... THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A LAKE WIND ADVISORY...WHICH IS IN EFFECT UNTIL 6 AM EST MONDAY...FOR EXTREME NORTHEAST GEORGIA...THE UPSTATE OF SOUTH CAROLINA...THE WESTERN PIEDMONT OF NORTH CAROLINA...AND PARTS OF THE MOUNTAINS AND FOOTHILLS OF NORTH CAROLINA. A FEW GUSTS OF 20 TO 30 MPH ARE POSSIBLE EARLY THIS MORNING AFTER A COLD FRONT MOVES THROUGH. AFTER A RELATIVE LULL IN THE AFTERNOON... THE WIND SHOULD PICK UP AGAIN LATE IN THE DAY OR EARLY THIS EVENING. WIND GUSTS OF 25 TO 35 MPH CAN BE EXPECTED OVER OPEN STRETCHES OF AREA LAKES. A LAKE WIND ADVISORY INDICATES THAT WINDS WILL CAUSE ROUGH CHOP ON AREA LAKES. SMALL BOATS WILL BE ESPECIALLY PRONE TO CAPSIZING. $$ MOORE
3 follow-up statements
000 WWUS72 KGSP 211534 NPWGSP URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 1034 AM EST SUN DEC 21 2008 .AS THE COLD FRONT CONTINUES MOVING EAST OF THE AREA...HIGH PRESSURE WILL BUILD IN FROM THE NORTHWEST. WEST TO NORTHWEST WINDS WILL INCREASE AND BECOME GUSTY...ESPECIALLY OVER THE MOUNTAINS. NCZ033-048>050-053-065-501-503-505-507-212345- /O.CON.KGSP.WI.Y.0019.000000T0000Z-081222T1100Z/ AVERY-MADISON-YANCEY-MITCHELL-BUNCOMBE-HENDERSON- CALDWELL MOUNTAINS-BURKE MOUNTAINS-MCDOWELL MOUNTAINS- RUTHERFORD MOUNTAINS- INCLUDING THE CITIES OF...NEWLAND...SPRUCE PINE...ASHEVILLE... HENDERSONVILLE...LAKE LURE 1034 AM EST SUN DEC 21 2008 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST MONDAY... A WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST MONDAY. WINDS WILL INCREASE THIS AFTERNOON WITH THE STRONGEST WINDS LIKELY THIS EVENING. WINDS OF 25 TO 35 MPH ARE EXPECTED WITH GUSTS OVER 50 MPH POSSIBLE...ESPECIALLY ALONG RIDGE TOPS AND HIGHER PEAKS. 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. $$ GAZ010-017-018-026-028-029-NCZ035>037-051-052-056>059-062>064- 068>072-082-502-504-506-508>510-SCZ001>014-019-212345- /O.CON.KGSP.LW.Y.0045.000000T0000Z-081222T1100Z/ RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-ALEXANDER-IREDELL- DAVIE-SWAIN-HAYWOOD-CATAWBA-ROWAN-GRAHAM-NORTHERN JACKSON-MACON- SOUTHERN JACKSON-TRANSYLVANIA-CLEVELAND-LINCOLN-GASTON- MECKLENBURG-CABARRUS-UNION NC-GREATER CALDWELL-GREATER BURKE- EASTERN MCDOWELL-GREATER RUTHERFORD-POLK MOUNTAINS-EASTERN POLK- OCONEE MOUNTAINS-PICKENS MOUNTAINS-GREENVILLE MOUNTAINS- GREATER OCONEE-GREATER PICKENS-GREATER GREENVILLE-SPARTANBURG- CHEROKEE-YORK-ANDERSON-ABBEVILLE-LAURENS-UNION SC-CHESTER- GREENWOOD- INCLUDING THE CITIES OF...CLAYTON...CLARKESVILLE...TOCCOA... HARTWELL...ELBERTON...STATESVILLE...MOCKSVILLE...CHEROKEE... WAYNESVILLE...HICKORY...SALISBURY...SYLVA...FRANKLIN...BREVARD... SHELBY...LINCOLNTON...GASTONIA...CHARLOTTE...CONCORD...MONROE... LENOIR...MORGANTON...MARION...RUTHERFORD...COLUMBUS... GREENVILLE...SPARTANBURG...GAFFNEY...ROCK HILL...ANDERSON... ABBEVILLE...LAURENS...UNION...CHESTER...GREENWOOD 1034 AM EST SUN DEC 21 2008 ...LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST MONDAY... A LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST MONDAY. WINDS WILL INCREASE THIS AFTERNOON WITH THE STRONGEST WINDS LIKELY THIS EVENING. WINDS OF 15 TO 25 MPH ARE EXPECTED WITH GUSTS OVER 35 MPH POSSIBLE...ESPECIALLY OVER LAKES AND OTHER OPEN AREAS. WINDS OF 15 TO 25 MPH ARE EXPECTED WITH GUSTS A LAKE WIND ADVISORY INDICATES THAT WINDS WILL CAUSE ROUGH CHOP ON AREA LAKES. SMALL BOATS WILL BE ESPECIALLY PRONE TO CAPSIZING. $$
000 WWUS72 KGSP 211848 NPWGSP URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 148 PM EST SUN DEC 21 2008 .LOW PRESSURE EAST...WITH HIGH PRESSURE BUILDING IN FROM THE WEST...WILL KEEP AN INCREASED PRESSURE GRADIENT OVER THE REGION. GUSTY WEST TO NORTHWEST WINDS WILL CONTINUE INTO THE EARLY MORNING HOURS...ESPECIALLY OVER THE MOUNTAINS. NCZ033-048>050-053-065-501-503-505-507-220300- /O.CON.KGSP.WI.Y.0019.000000T0000Z-081222T1100Z/ AVERY-MADISON-YANCEY-MITCHELL-BUNCOMBE-HENDERSON- CALDWELL MOUNTAINS-BURKE MOUNTAINS-MCDOWELL MOUNTAINS- RUTHERFORD MOUNTAINS- INCLUDING THE CITIES OF...NEWLAND...SPRUCE PINE...ASHEVILLE... HENDERSONVILLE...LAKE LURE 148 PM EST SUN DEC 21 2008 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST MONDAY... A WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST MONDAY. GUSTY WEST TO NORTHWEST WINDS WILL CONTINUE WITH THE STRONGEST WINDS LIKELY THROUGH THIS EVENING. WINDS OF 25 TO 35 MPH ARE EXPECTED...WITH GUSTS OVER 50 MPH POSSIBLE...ESPECIALLY ALONG RIDGE TOPS AND HIGHER PEAKS. 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. $$ GAZ010-017-018-026-028-029-NCZ035>037-051-052-056>059-062>064- 068>072-082-502-504-506-508>510-SCZ001>014-019-220300- /O.CON.KGSP.LW.Y.0045.000000T0000Z-081222T1100Z/ RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-ALEXANDER-IREDELL- DAVIE-SWAIN-HAYWOOD-CATAWBA-ROWAN-GRAHAM-NORTHERN JACKSON-MACON- SOUTHERN JACKSON-TRANSYLVANIA-CLEVELAND-LINCOLN-GASTON- MECKLENBURG-CABARRUS-UNION NC-GREATER CALDWELL-GREATER BURKE- EASTERN MCDOWELL-GREATER RUTHERFORD-POLK MOUNTAINS-EASTERN POLK- OCONEE MOUNTAINS-PICKENS MOUNTAINS-GREENVILLE MOUNTAINS- GREATER OCONEE-GREATER PICKENS-GREATER GREENVILLE-SPARTANBURG- CHEROKEE-YORK-ANDERSON-ABBEVILLE-LAURENS-UNION SC-CHESTER- GREENWOOD- INCLUDING THE CITIES OF...CLAYTON...CLARKESVILLE...TOCCOA... HARTWELL...ELBERTON...STATESVILLE...MOCKSVILLE...CHEROKEE... WAYNESVILLE...HICKORY...SALISBURY...SYLVA...FRANKLIN...BREVARD... SHELBY...LINCOLNTON...GASTONIA...CHARLOTTE...CONCORD...MONROE... LENOIR...MORGANTON...MARION...RUTHERFORD...COLUMBUS... GREENVILLE...SPARTANBURG...GAFFNEY...ROCK HILL...ANDERSON... ABBEVILLE...LAURENS...UNION...CHESTER...GREENWOOD 148 PM EST SUN DEC 21 2008 ...LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST MONDAY... A LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST MONDAY. EXPECT GUSTY WEST TO NORTHWEST WINDS WITH THE STRONGEST WINDS CONTINUING THROUGH THIS EVENING. LOOK FOR WINDS OF 15 TO 25 MPH WITH GUSTS OVER 35 MPH POSSIBLE...ESPECIALLY OVER LAKES AND OTHER OPEN AREAS. A LAKE WIND ADVISORY INDICATES THAT WINDS WILL CAUSE ROUGH CHOP ON AREA LAKES. SMALL BOATS WILL BE ESPECIALLY PRONE TO CAPSIZING. $$
000 WWUS72 KGSP 220138 NPWGSP URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 838 PM EST SUN DEC 21 2008 .LOW PRESSURE TO THE EAST...WITH HIGH PRESSURE BUILDING IN FROM THE WEST...WILL KEEP AN ENHANCED PRESSURE GRADIENT OVER THE REGION. GUSTY WEST TO NORTHWEST WINDS WILL CONTINUE INTO THE EARLY MORNING HOURS OVER MUCH OF THE NORTH CAROLINA MOUNTAINS. NCZ048-053-065-507-221100- /O.CAN.KGSP.WI.Y.0019.000000T0000Z-081222T1100Z/ /O.EXA.KGSP.LW.Y.0045.000000T0000Z-081222T1100Z/ MADISON-BUNCOMBE-HENDERSON-RUTHERFORD MOUNTAINS- INCLUDING THE CITIES OF...ASHEVILLE...HENDERSONVILLE...LAKE LURE 838 PM EST SUN DEC 21 2008 ...WIND ADVISORY DOWNGRADED TO LAKE WIND ADVISORY IN EFFECT UNTIL 6 AM EST MONDAY... THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A LAKE WIND ADVISORY...WHICH IS IN EFFECT UNTIL 6 AM EST MONDAY. THE WIND ADVISORY HAS BEEN CANCELLED. NORTHWEST WINDS OF 15 TO 25 MPH WILL CONTINUE ACROSS PORTIONS OF THE SOUTHERN AND CENTRAL NORTH CAROLINA MOUNTAINS THROUGH THE NIGHT. ALTHOUGH WIND GUSTS AS HIGH AS 40 MPH WILL BE POSSIBLE IN THE VALLEYS...THE HIGHER ELEVATIONS COULD SEE OCCASIONAL GUSTS IN EXCESS OF 50 MPH. A LAKE WIND ADVISORY INDICATES THAT WINDS WILL CAUSE ROUGH CHOP ON AREA LAKES. SMALL BOATS WILL BE ESPECIALLY PRONE TO CAPSIZING. $$ GAZ010-017-018-026-028-029-NCZ035>037-051-056>059-062-063-068>072- 082-502-504-506-508>510-SCZ001>014-019-220245- /O.CAN.KGSP.LW.Y.0045.000000T0000Z-081222T1100Z/ RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-ALEXANDER-IREDELL- DAVIE-SWAIN-CATAWBA-ROWAN-GRAHAM-NORTHERN JACKSON-MACON- SOUTHERN JACKSON-CLEVELAND-LINCOLN-GASTON-MECKLENBURG-CABARRUS- UNION NC-GREATER CALDWELL-GREATER BURKE-EASTERN MCDOWELL- GREATER RUTHERFORD-POLK MOUNTAINS-EASTERN POLK-OCONEE MOUNTAINS- PICKENS MOUNTAINS-GREENVILLE MOUNTAINS-GREATER OCONEE- GREATER PICKENS-GREATER GREENVILLE-SPARTANBURG-CHEROKEE-YORK- ANDERSON-ABBEVILLE-LAURENS-UNION SC-CHESTER-GREENWOOD- INCLUDING THE CITIES OF...CLAYTON...CLARKESVILLE...TOCCOA... HARTWELL...ELBERTON...STATESVILLE...MOCKSVILLE...CHEROKEE... HICKORY...SALISBURY...SYLVA...FRANKLIN...SHELBY...LINCOLNTON... GASTONIA...CHARLOTTE...CONCORD...MONROE...LENOIR...MORGANTON... MARION...RUTHERFORD...COLUMBUS...GREENVILLE...SPARTANBURG... GAFFNEY...ROCK HILL...ANDERSON...ABBEVILLE...LAURENS...UNION... CHESTER...GREENWOOD 838 PM EST SUN DEC 21 2008 ...LAKE WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS CANCELLED THE LAKE WIND ADVISORY. WINDS HAVE DIMINISHED BELOW ADVISORY LEVELS ACROSS MUCH OF THE PIEDMONT...FOOTHILLS...AND SOUTHWEST MOUNTAINS OF NORTH CAROLINA...AS WELL AS MUCH OF UPSTATE SOUTH CAROLINA AND NORTHEAST GEORGIA. $$ NCZ033-049-050-501-503-505-221100- /O.CON.KGSP.WI.Y.0019.000000T0000Z-081222T1100Z/ AVERY-YANCEY-MITCHELL-CALDWELL MOUNTAINS-BURKE MOUNTAINS- MCDOWELL MOUNTAINS- INCLUDING THE CITIES OF...NEWLAND...SPRUCE PINE 838 PM EST SUN DEC 21 2008 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST MONDAY... A WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST MONDAY. SUSTAINED WINDS OF 20 TO 30 MPH WILL CONTINUE ACROSS THE NORTHERN MOUNTAINS THROUGH THE NIGHT. GUSTS OF UP TO 50 MPH WILL BE POSSIBLE IN THE HIGH VALLEYS...WHILE HIGHER PEAKS AND RIDGE TOPS COULD SEE OCCASIONAL GUSTS OF 60 MPH OR MORE. A WIND ADVISORY MEANS THAT WIND GUSTS IN EXCESS OF 45 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. $$ NCZ052-064-221100- /O.CON.KGSP.LW.Y.0045.000000T0000Z-081222T1100Z/ HAYWOOD-TRANSYLVANIA- INCLUDING THE CITIES OF...WAYNESVILLE...BREVARD 838 PM EST SUN DEC 21 2008 ...LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST MONDAY... A LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST MONDAY. NORTHWEST WINDS OF 15 TO 25 MPH WILL CONTINUE ACROSS PORTIONS OF THE SOUTHERN AND CENTRAL NORTH CAROLINA MOUNTAINS THROUGH THE NIGHT. ALTHOUGH WIND GUSTS AS HIGH AS 40 MPH WILL BE POSSIBLE IN THE VALLEYS...THE HIGHER ELEVATIONS COULD SEE OCCASIONAL GUSTS IN EXCESS OF 50 MPH. A LAKE WIND ADVISORY INDICATES THAT WINDS WILL CAUSE ROUGH CHOP ON AREA LAKES. SMALL BOATS WILL BE ESPECIALLY PRONE TO CAPSIZING. $$ LANE
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 21, 2:53 AM EST, 1 hour 28 minutes earlier.
Area forecast discussion, Dec 21, 2:53 AM EST, 1 hour 28 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
253 AM EST SUN DEC 21 2008
.SYNOPSIS...
A COLD FRONT WILL MOVE EAST OF THE FORECAST AREA BY TONIGHT AS HIGH
PRESSURE BEGINS TO BUILD IN FROM THE WEST. THIS HIGH WILL THEN MOVE
ACROSS THE REGION AND OFF THE EAST COAST THROUGH TUESDAY AS ANOTHER
COLD FRONT APPROACHES FROM THE WEST FOR THE MIDDLE OF THE WEEK.
ANOTHER UNSEASONABLY WARM AND WET PATTERN WILL SET UP ACROSS THE
SOUTHEAST REGION WEDNESDAY THROUGH THE END OF NEXT WEEK.
&&
.NEAR TERM /THROUGH TONIGHT/...
AREA RADARS SHOW PREFRONTAL BAND OF PRECIP MOVING STEADILY EASTWARD
EARLY THIS MORNING. EXTRAPOLATION OF THE BACK END OF THE PRECIP...
WHICH IS ESSENTIALLY THE SURFACE FRONT...WILL PUT IT OVER THE
EASTERN PART OF THE FORECAST AREA AT THE START OF THE TODAY PERIOD.
THIS WILL REQUIRE KEEPING A HIGH POP ON THE EASTERN BORDER AND THE
CLT METRO AREA TO START WITH...BUT A QUICK END SHOULD BE EXPECTED BY
MID MORNING EVERYWHERE BUT THE TN BORDER ZONES. LEFTOVER LOW LEVEL
MOISTURE WILL BE FORCED UP THE W SIDE OF THE MTNS FOR A FEW HOURS
UNTIL NOON OR SO...WHICH MEANS A LOW CHANCE POP WILL BE MAINTAINED
OVER THE NRN MTNS. SNOW LEVELS WILL DROP QUICKLY THIS MORNING AS THE
COLD ADVECTION STRENGTHENS BEHIND THE FRONT SUCH THAT ANYTHING THAT
FALLS AFTER 15Z SHOULD BE SNOW. MOISTURE PULLS OUT QUICKLY THOUGH...
SO NO SIGNIFICANT ACCUMULATION IS EXPECTED. HIGH TEMPS WILL DEPEND
MAINLY ON THE POSITION OF THE COLD FRONT AT THE BEGINNING OF THE
PERIOD...BECAUSE FROM MIDDAY ONWARD THE COLD ADVECTION WILL BEGIN TO
DRIVE TEMPS DOWN...PARTICULARLY OVER THE MTNS AND FOOTHILLS.
THE MAIN PROBLEM FOR TODAY WILL BE THE WIND. RELATIVELY STRONG GUSTS
SHOULD MIX DOWN THIS MORNING IMMEDIATELY BEHIND THE FRONT TO THE
POINT WHERE A LAKE WIND ADVISORY WOULD BE WARRANTED. THERE MAY VERY
WELL BE A RELATIVE LULL IN THE AFTERNOON BEFORE WINDS STRENGTHEN
AGAIN LATE IN THE AFTERNOON...BUT THINK IT WOULD BE TOO CONFUSING TO
HAVE A BREAK IN ANY ADVISORY DURING THE MIDDLE PART OF THE DAY.
THUS...WILL ISSUE THE LAKE WIND ADVISORY BEGINNING AT 6 AM AND
RUNNING INTO TONIGHT. WILL JUMP RIGHT TO A WIND ADVISORY FROM THE
FRENCH BROAD VALLEY NORTHWARD WITH THE ANTICIPATION OF VERY STRONG
GUSTS BEGINNING IN THE LATE AFTERNOON...RATHER THAN RISK CONFUSION
WITH HAVING A LAKE WIND ADVISORY TODAY THAT TURNS INTO A REGULAR
WIND ADVISORY TONIGHT.
&&
.SHORT TERM /MONDAY THROUGH TUESDAY/...
AS OF 230 AM SUNDAY...STOUT NW WINDS WILL GRADUALLY DIMINISH
OVERNIGHT AS MODIFIED ARCTIC AIRMASS ADVECTS INTO THE REGION. THE
COMBINATION OF WIND AND COLD WILL GIVE RISE TO WIDESPREAD MTN
WIND CHILLS BELOW ZERO INTO EARLY MONDAY MORNING. SFC RIDGING WILL
CONTINUE TO BUILD EAST THRU MONDAY AND LOOSENING PRESSURE GRADIENT.
WITH COLD AIRMASS IN PLACE EVEN FULL SUNSHINE WILL STRUGGLE TO WARM
THE LLVL AIRMASS...AND MAX TEMPS ARE EXPECTED TO BE AROUND 12-16 DEG
F BELOW NORMAL. THE ONSET OF A MODIFYING AIRMASS IS SLATED FOR
TUESDAY AS RETURN FLOW INCREASES. THE INFLUX OF HIGHER LVL MOISTURE
WILL FILTER SUNSHINE WITH MAX TEMPS ON TRACK TO BE LESS CHILLY...BUT
STILL A COUPLE OF CATEGORIES BELOW NORMAL.
&&
.LONG TERM /TUESDAY NIGHT THROUGH SATURDAY/...
AS OF 215 AM SUNDAY...THERE JUST ISNT A WHOLE LOT OF CONFIDENCE IN
THE MEDIUM RANGE FORECAST. THE LATEST RUNS OF THE GFS AND ECMWF ARE
AT ODDS WITH THE FRONTAL BOUNDARY THAT MOVES INTO THE AREA ON
WEDNESDAY AND ITS EVENTUAL EVOLUTION. THE GFS FAVORS A SOLUTION THAT
BRINGS THE FRONT INTO THE FA WEDNESDAY...STALLING IT OUT AND LAYING
IT OVER THE REGION FOR A COUPLE OF DAYS BEFORE ANOTHER FRONT
APPROACHES LATER IN THE WEEK. THIS SOLUTION WOULD SUPPORT SOME
DEGREE OF POPS AND LIGHT QPF PRETTY MUCH EVERY PERIOD TUESDAY NIGHT
THROUGH SATURDAY. ON THE OTHER HAND...THE NEW ECMWF JUST CAME IN
SHOWING THE FRONT MOVING EAST OF THE FA ON THURSDAY BEFORE RETURN
FLOW LIFTS THE REMNANT BOUNDARY BACK NORTH AS THE NEXT SYSTEM
APPROACHES ON SATURDAY. I HAVE PRIMARILY FOLLOWED A BLEND OF THE GFS
AND HPC GUIDANCE...WHICH FAVORS THE MORE ACTIVE AND WETTER SOLUTION.
THE FORECAST WILL ADVERTISE HIGH END CHC POPS WEDNESDAY AND
WEDNESDAY NIGHT...TAPERING OFF TO LOWER CHC POPS AND THEN SLT CHC
POPS BY SATURDAY TO ACCOUNT FOR THE LACK OF CONFIDENCE IN THE
EVENTUAL PLACEMENT OF THE FRONT. ONE THING THE TWO MODELS DO AGREE ON
HOWEVER IS THE MILD TEMPERATURES. DAYTIME HIGHS WILL RUN A GOOD 10
TO 12 DEGREES ABOVE CLIMO AND LOWS WILL BE SIMILARLY WARM.
&&
.AVIATION /08Z SUNDAY THROUGH THURSDAY/...
JUST ABOUT SIX MORE HOURS UNTIL WE FINALLY WRAP UP WHAT HAS BEEN A
DIFFICULT WEEK FOR AVIATION CONCERNS. IN THE MEAN TIME...WE CONTINUE
TO HERD CATS AND NAIL JELLO TO THE WALL...BECAUSE OF HIGHLY VARIABLE
CEILING AND VISIBILITY ACROSS THE WESTERN CAROLINAS. THE THINKING IS
THAT CEILING/VIS SHOULD CONSOLIDATE INTO A PREVAILING MVFR CONDITION
WITH TEMPORARY IFR VISIBILITY ONCE THE MAIN FRONTAL PRECIP BAND
WORKS ITS WAY ACROSS THE TAF SITES OVER THE NEXT HOUR OR TWO...AND
THAT SHOULD CONTINUE THROUGH ABOUT SUNRISE WHEN THE BACK EDGE OF THE
FRONTAL ZONE SWEEPS IN FROM THE WEST.
AT KCLT...THE IFR CEILING SHOULD MOVE OUT TO THE NORTHEAST BY 07Z OR
SO...LEAVING THEM IN AND OUT OF AN MVFR CEILING PRIOR TO THE ARRIVAL
OF THE FRONTAL PRECIP.
THE PASSAGE OF THE FRONT WILL OCCUR IN THE 10Z TO 14Z TIME FRAME
WEST TO EAST AND MAY BE ACCOMPANIED BY A SHIFT TO A MORE WESTERLY
WIND AND SOME MVFR CEILINGS. HOWEVER...BY MID MORNING THE DEEPER
MOISTURE SHOULD BE WELL TO OUR EAST LEAVING ONLY A FEW STRATOCU. THE
WIND BECOMES THE MAIN FACTOR THEN...WITH STRONG GUSTY WNW WIND
THROUGH THE END OF THE TAF PERIOD. MIXING IS ACTUALLY A BIT DEEPER
DURING EARLY TO MID SUNDAY EVENING SO THAT MIGHT BE THE GUSTIEST
PERIOD. EITHER WAY...AT KCLT THE WIND SHOULD STAY N OF W FROM LATE
MORNING ONWARD. ONLY KAND WILL HAVE A WIND THAT IS MORE W AND NW
BECAUSE OF FLOW AROUND THE MTNS.
OUTLOOK...DRY HIGH PRESSURE WITH VFR CONDITIONS EXPECTED FROM SUNDAY
NIGHT THRU TUESDAY. COLD FRONT APPROACHES TUE NIGHT-WED WITH CHANCE
SHOWERS AND CIG/VSBY RESTRICTIONS.
&&
.GSP WATCHES/WARNINGS/ADVISORIES...
GA...LAKE WIND ADVISORY UNTIL 6 AM EST MONDAY FOR GAZ010-017-018-
026-028-029.
NC...WIND ADVISORY UNTIL 6 AM EST MONDAY FOR NCZ033-048>050-053-065-
501-503-505-507.
LAKE WIND ADVISORY UNTIL 6 AM EST MONDAY FOR NCZ035>037-051-
052-056>059-062>064-068>072-082-502-504-506-508>510.
WIND CHILL ADVISORY FROM MIDNIGHT TONIGHT TO 9 AM EST MONDAY
FOR NCZ033-048>053-058-059-062>065.
SC...LAKE WIND ADVISORY UNTIL 6 AM EST MONDAY FOR SCZ001>014-019.
&&
SYNOPSIS...BSH
NEAR TERM...PM
SHORT TERM...CSH
LONG TERM...BSH
AVIATION...PMHazardous weather outlook, Dec 20, 3:26 PM EST, 12 hours 55 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 326 PM EST SAT DEC 20 2008 NCZ033-048>053-058-059-062>065-212030- AVERY-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-BUNCOMBE-GRAHAM- NORTHERN JACKSON-MACON-SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON- 326 PM EST SAT DEC 20 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN NORTH CAROLINA. .DAY ONE...THIS AFTERNOON AND TONIGHT. AS RAINFALL BECOMES WIDESPREAD ACROSS THE AREA TONIGHT...ISOLATED THUNDERSTORMS MAY ACCOMPANY THE RAIN. IT IS POSSIBLE THAT LOCALIZED DAMAGING WIND GUSTS WILL DEVELOP WITH ANY STRONGER STORMS TONIGHT. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY. INCREASINGLY WINDY AND COLDER WEATHER IS ON TAP FOR SUNDAY AND SUNDAY NIGHT IN THE WAKE OF A STRONG COLD FRONT. WIND GUSTS ARE EXPECTED TO INCREASE TO 40 OR 50 MPH SUNDAY AFTERNOON OR EVENING. SO LOCALIZED WIND DAMAGE MAY OCCUR. WIND CHILL INDEX VALUES ARE LIKELY TO FALL INTO THE 5 TO 10 BELOW ZERO RANGE SUNDAY NIGHT. .SPOTTER INFORMATION STATEMENT... NONE. NCZ035>037-056-057-501>506-212030- ALEXANDER-IREDELL-DAVIE-CATAWBA-ROWAN-CALDWELL MOUNTAINS- GREATER CALDWELL-BURKE MOUNTAINS-GREATER BURKE-MCDOWELL MOUNTAINS- EASTERN MCDOWELL- 326 PM EST SAT DEC 20 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PIEDMONT NORTH CAROLINA AND WESTERN NORTH CAROLINA. .DAY ONE...THIS AFTERNOON AND TONIGHT. AS RAINFALL INCREASES OVERNIGHT...SOME ISOLATED THUNDERSTORMS MAY OCCUR. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY. STRONG WIND GUSTS COULD DEVELOP ACROSS THE REGION SUNDAY AFTERNOON OR EVENING IN THE WAKE OF A SHARP COLD FRONT. WIND GUSTS OF 35 TO 45 MPH MAY OCCUR. MUCH COLDER TEMPERATURES ARE ON TAP FOR SUNDAY NIGHT WITH LOWS IN THE TEENS AND WIND CHILLS IN THE SINGLE DIGITS. .SPOTTER INFORMATION STATEMENT... NONE. GAZ010-017-018-026-028-029-NCZ068>072-082-507>510-SCZ001>014-019- 212030- RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-CLEVELAND-LINCOLN- GASTON-MECKLENBURG-CABARRUS-UNION NC-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- 326 PM EST SAT DEC 20 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...PIEDMONT NORTH CAROLINA...WESTERN NORTH CAROLINA AND UPSTATE SOUTH CAROLINA. .DAY ONE...THIS AFTERNOON AND TONIGHT. AS RAINFALL BECOMES WIDESPREAD ACROSS THE AREA INTO TONIGHT...ISOLATED THUNDERSTORMS MAY ACCOMPANY THE RAIN. IT IS POSSIBLE THAT LOCALIZED DAMAGING WIND GUSTS WILL DEVELOP WITH ANY STRONGER STORMS TONIGHT. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY. STRONG WIND GUSTS ARE LIKLEY TO DEVELOP ACROSS THE REGION SUNDAY AFTERNOON OR EVENING IN THE WAKE OF A SHARP COLD FRONT. MUCH COLDER TEMPERATURES WILL ARRIVE LATE SUNDAY WITH TEMPERATURES FALLING WELL BELOW FREEZING SUNDAY NIGHT AND WIND CHILLS TO AROUND 10 ABOVE. .SPOTTER INFORMATION STATEMENT... NONE.
The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 21, 4:21 AM EST | Lake Wind Advisory | GSP | Alexander, Buncombe, Burke, Cabarrus, Caldwell, Catawba and 19 more | 26 hr |
| Dec 21, 4:32 AM EST | Wind Chill Advisory | GSP | Avery, Buncombe, Graham, Haywood, Henderson, Jackson and 6 more | 28 hr |
Nearby
Wind Advisories in North Carolina, 2008Every wind advisory in 2008
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.