Alert archive / North Carolina / Wind Advisories in 2008
Wind Advisory 10, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this wind advisory at Feb 26, 2008, 3:31 AM EST for 8 counties in South Carolina; 28 counties in North Carolina; 6 counties in Georgia. It took effect at Feb 26, 2008, 12:00 PM EST. It was in force for 18 hr.
The area
The counties it named.
The facts
- Issued
- Feb 26, 2008, 3:31 AM EST (08:31 UTC)
- In effect from
- Feb 26, 2008, 12:00 PM EST
- Expired
- Feb 27, 2008, 6:00 AM EST
- In force
- 18 hr
- Issued by
- NWS Greenville-Spartanburg, SC
All 42 counties
Elbert County, GA, Franklin County, GA, Habersham County, GA, Hart County, GA, Rabun County, GA, Stephens County, GA, Alexander County, NC, Avery County, NC, Buncombe County, NC, Burke County, NC, Cabarrus County, NC, Caldwell County, NC, Catawba County, NC, Cleveland County, NC, Davie County, NC, Gaston County, NC, Graham County, NC, Haywood County, NC, Henderson County, NC, Iredell County, NC, Jackson County, NC, Lincoln County, NC, Macon County, NC, Madison County, NC, McDowell County, NC, Mecklenburg County, NC, Mitchell County, NC, Polk County, NC, Rowan County, NC, Rutherford County, NC, Swain County, NC, Transylvania County, NC, Union County, NC, Yancey County, NC, Abbeville County, SC, Anderson County, SC, Cherokee County, SC, Chester County, SC, Greenwood County, SC, Laurens County, SC, Union County, SC, York County, SC
The radar
The Greer radar (KGSP), 40 km from the middle of the area, began a volume at 08:36 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, 8.5 hours before the alert went out and 219 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1448 m above ground
- 0-6 km bulk shear
- 67 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- 148 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS72 KGSP 260831 NPWGSP URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 331 AM EST TUE FEB 26 2008 GAZ010-017-018-026-028-029-NCZ051-052-058-059-062>064-510- SCZ001>007-010>012-019-262115- /O.CAN.KGSP.LW.Y.0018.080226T1700Z-080227T0000Z/ /O.NEW.KGSP.WI.Y.0010.080226T1700Z-080227T0200Z/ RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-SWAIN-HAYWOOD- GRAHAM-NORTHERN JACKSON-MACON-SOUTHERN JACKSON-TRANSYLVANIA- EASTERN POLK-OCONEE MOUNTAINS-PICKENS MOUNTAINS- GREENVILLE MOUNTAINS-GREATER OCONEE-GREATER PICKENS- GREATER GREENVILLE-SPARTANBURG-ANDERSON-ABBEVILLE-LAURENS- GREENWOOD- INCLUDING THE CITIES OF...CLAYTON...CLARKESVILLE...TOCCOA... HARTWELL...ELBERTON...CHEROKEE...WAYNESVILLE...SYLVA...FRANKLIN... BREVARD...COLUMBUS...GREENVILLE...SPARTANBURG...ANDERSON... ABBEVILLE...LAURENS...GREENWOOD 331 AM EST TUE FEB 26 2008 ...LAKE WIND ADVISORY UPGRADED TO WIND ADVISORY...IN EFFECT FROM NOON TODAY TO 9 PM EST THIS EVENING... THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM NOON TODAY TO 9 PM EST THIS EVENING. THE LAKE WIND ADVISORY HAS BEEN CANCELLED. A STRONG COLD FRONT WILL CROSS THE AREA THIS AFTERNOON. BEHIND THE FRONT...SOUTHWEST WINDS ARE EXPECTED TO INCREASE TO 15 TO 30 MPH WITH GUSTS UP TO 45 MPH. THE GUSTY WINDS WILL DEVELOP A LITTLE AFTER NOON OVER THE SOUTHWEST MOUNTAINS OF NORTH CAROLINA...THEN SPREAD EAST ACROSS THE REMAINDER OF THE MOUNTAINS...FOOTHILLS AND PIEDMONT DURING THE AFTERNOON HOURS. WINDS WILL TAPER OFF BY LATE EVENING. A WIND ADVISORY MEANS THAT WINDS WIND GUSTS UP TO 45 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. $$ NCZ033-048>050-053-065-501-503-505-507-509-262115- /O.CAN.KGSP.LW.Y.0018.080226T1700Z-080227T0000Z/ /O.NEW.KGSP.WI.Y.0010.080226T1700Z-080227T1100Z/ AVERY-MADISON-YANCEY-MITCHELL-BUNCOMBE-HENDERSON- CALDWELL MOUNTAINS-BURKE MOUNTAINS-MCDOWELL MOUNTAINS- RUTHERFORD MOUNTAINS-POLK MOUNTAINS- INCLUDING THE CITIES OF...NEWLAND...SPRUCE PINE...ASHEVILLE... HENDERSONVILLE...LAKE LURE 331 AM EST TUE FEB 26 2008 ...LAKE WIND ADVISORY UPGRADED TO WIND ADVISORY...IN EFFECT FROM NOON TODAY TO 6 AM EST WEDNESDAY... THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM NOON TODAY TO 6 AM EST WEDNESDAY. THE LAKE WIND ADVISORY HAS BEEN CANCELLED. A STRONG COLD FRONT WILL CROSS THE MOUNTAINS THIS AFTERNOON. BEHIND THE FRONT...WEST WINDS ARE EXPECTED TO INCREASE TO 20 TO 30 MPH WITH GUSTS UP TO 45 MPH. THE WINDS WILL SHIFT TO THE NORTHWEST TONIGHT...BUT CONTINUE AT SIMILAR SPEEDS. HOWEVER...WIND GUSTS AT HIGHER ELEVATIONS TONIGHT COULD EXCEED 50 MPH AT TIMES. A WIND ADVISORY MEANS THAT WIND GUSTS OF 45 TO 50 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. $$ NCZ035>037-056-057-068>072-082-502-504-506-508-SCZ008-009-013-014- 262115- /O.NEW.KGSP.WI.Y.0010.080226T1700Z-080227T0200Z/ ALEXANDER-IREDELL-DAVIE-CATAWBA-ROWAN-CLEVELAND-LINCOLN-GASTON- MECKLENBURG-CABARRUS-UNION NC-GREATER CALDWELL-GREATER BURKE- EASTERN MCDOWELL-GREATER RUTHERFORD-CHEROKEE-YORK-UNION SC- CHESTER- INCLUDING THE CITIES OF...STATESVILLE...MOCKSVILLE...HICKORY... SALISBURY...SHELBY...LINCOLNTON...GASTONIA...CHARLOTTE... CONCORD...MONROE...LENOIR...MORGANTON...MARION...RUTHERFORD... GAFFNEY...ROCK HILL...UNION...CHESTER 331 AM EST TUE FEB 26 2008 ...WIND ADVISORY IN EFFECT FROM NOON TODAY TO 9 PM EST THIS EVENING... THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM NOON TODAY TO 9 PM EST THIS EVENING. A STRONG COLD FRONT WILL CROSS THE AREA THIS AFTERNOON. BEHIND THE FRONT...SOUTHWEST WINDS ARE EXPECTED TO INCREASE TO 15 TO 30 MPH WITH GUSTS UP TO 45 MPH. AS THE FRONT WILL COME THROUGH LATER IN THE AFTERNOON...WINDS MAY NOT BECOME GUSTY UNTIL AFTER 3 PM...ESPECIALLY OVER THE WESTERN PIEDMONT. WINDS WILL TAPER OFF BY LATE EVENING. A WIND ADVISORY MEANS THAT WIND GUSTS UP TO 45 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. $$ MCAVOY
2 follow-up statements
000 WWUS72 KGSP 262005 NPWGSP URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 305 PM EST TUE FEB 26 2008 GAZ010-017-018-026-028-029-NCZ035>037-056-057-068>072-082-502-504- 506-508-510-SCZ001>014-019-270200- /O.CAN.KGSP.WI.Y.0010.000000T0000Z-080227T0200Z/ /O.NEW.KGSP.LW.Y.0019.080226T2005Z-080227T0200Z/ 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 305 PM EST TUE FEB 26 2008 ...LAKE WIND ADVISORY IN EFFECT UNTIL 9 PM EST THIS EVENING... ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A LAKE WIND ADVISORY...WHICH IS IN EFFECT UNTIL 9 PM EST THIS EVENING...FOR MOST OF THE WESTERN PIEDMONT OF THE CAROLINAS AND EXTREME NORTHEAST GEORGIA. THE WIND ADVISORY HAS BEEN CANCELLED. A STRONG COLD FRONT WILL CROSS THE AREA LATE THIS AFTERNOON AND EARLY THIS EVENING. ALONG AND BEHIND THE FRONT...GUSTY SOUTHWEST WINDS ARE EXPECTED. ALTHOUGH THE WINDS WILL NOT BE QUITE AS HIGH AS PREVIOUSLY EXPECTED...WIND GUSTS OF 30 TO 40 MPH ARE STILL POSSIBLE. WIND GUSTS THIS STRONG OVER OPEN LAKES CAN BE DANGEROUS TO BOATERS...SO THE WIND ADVISORY HAS BEEN DOWNGRADED TO A LAKE WIND ADVISORY. WINDS WILL TAPER OFF BY LATE EVENING. A LAKE WIND ADVISORY INDICATES THAT WINDS WILL CAUSE ROUGH CHOP ON AREA LAKES. SMALL BOATS WILL BE ESPECIALLY PRONE TO CAPSIZING. $$ NCZ051-052-058-059-062>064-270200- /O.CON.KGSP.WI.Y.0010.000000T0000Z-080227T0200Z/ SWAIN-HAYWOOD-GRAHAM-NORTHERN JACKSON-MACON-SOUTHERN JACKSON- TRANSYLVANIA- INCLUDING THE CITIES OF...CHEROKEE...WAYNESVILLE...SYLVA... FRANKLIN...BREVARD 305 PM EST TUE FEB 26 2008 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM EST THIS EVENING... A WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM EST THIS EVENING FOR THE SOUTHERN MOUNTAINS OF NORTH CAROLINA. A STRONG COLD FRONT WILL CROSS THE AREA THIS AFTERNOON. BEHIND THE FRONT...SOUTHWEST WINDS ARE EXPECTED TO INCREASE TO 15 TO 30 MPH...WITH GUSTS UP TO 45 MPH POSSIBLE. THE GUSTY WINDS WILL DEVELOP IN THE LATE AFTERNOON OVER THE SOUTHWEST MOUNTAINS OF NORTH CAROLINA...THEN SPREAD EAST ACROSS THE REMAINDER OF THE MOUNTAINS BY EARLY EVENING. WINDS WILL TAPER OFF BY LATE EVENING. A WIND ADVISORY MEANS THAT WINDS WIND GUSTS UP TO 45 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. $$ NCZ033-048>050-053-065-501-503-505-507-509-270500- /O.CON.KGSP.WI.Y.0010.000000T0000Z-080227T1100Z/ AVERY-MADISON-YANCEY-MITCHELL-BUNCOMBE-HENDERSON- CALDWELL MOUNTAINS-BURKE MOUNTAINS-MCDOWELL MOUNTAINS- RUTHERFORD MOUNTAINS-POLK MOUNTAINS- INCLUDING THE CITIES OF...NEWLAND...SPRUCE PINE...ASHEVILLE... HENDERSONVILLE...LAKE LURE 305 PM EST TUE FEB 26 2008 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST WEDNESDAY... A WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST WEDNESDAY FOR THE NORTHERN MOUNTAINS AND FRENCH BROAD VALLEY OF NORTH CAROLINA. A STRONG COLD FRONT WILL CROSS THE MOUNTAINS THIS AFTERNOON. BEHIND THE FRONT...WEST WINDS ARE EXPECTED TO INCREASE TO 20 TO 30 MPH WITH GUSTS UP TO 45 MPH. THE WINDS WILL SHIFT TO THE NORTHWEST TONIGHT...BUT CONTINUE AT SIMILAR SPEEDS. HOWEVER... WIND GUSTS AT HIGHER ELEVATIONS TONIGHT COULD EXCEED 50 MPH AT TIMES. A WIND ADVISORY MEANS THAT WIND GUSTS OF 45 TO 50 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. $$ MOORE
000 WWUS72 KGSP 270210 NPWGSP URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 910 PM EST TUE FEB 26 2008 NCZ051-052-058-059-062>064-270315- /O.EXP.KGSP.WI.Y.0010.000000T0000Z-080227T0200Z/ SWAIN-HAYWOOD-GRAHAM-NORTHERN JACKSON-MACON-SOUTHERN JACKSON- TRANSYLVANIA- INCLUDING THE CITIES OF...CHEROKEE...WAYNESVILLE...SYLVA... FRANKLIN...BREVARD 910 PM EST TUE FEB 26 2008 ...WIND ADVISORY HAS EXPIRED... THE WIND ADVISORY IS NO LONGER IN EFFECT. WINDS HAVE DECREASED TO BELOW CRITERIA SO THE ADVISORY WAS ALLOWED TO EXPIRE. $$ GAZ010-017-018-026-028-029-NCZ035>037-056-057-068>072-082-502-504- 506-508-510-SCZ001>014-019-270315- /O.EXP.KGSP.LW.Y.0019.000000T0000Z-080227T0200Z/ RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-ALEXANDER-IREDELL- DAVIE-CATAWBA-ROWAN-CLEVELAND-LINCOLN-GASTON-MECKLENBURG-CABARRUS- UNION NC-GREATER CALDWELL-GREATER BURKE-EASTERN MCDOWELL- GREATER RUTHERFORD-EASTERN POLK-OCONEE MOUNTAINS- PICKENS MOUNTAINS-GREENVILLE MOUNTAINS-GREATER OCONEE- GREATER PICKENS-GREATER GREENVILLE-SPARTANBURG-CHEROKEE-YORK- ANDERSON-ABBEVILLE-LAURENS-UNION SC-CHESTER-GREENWOOD- INCLUDING THE CITIES OF...CLAYTON...CLARKESVILLE...TOCCOA... HARTWELL...ELBERTON...STATESVILLE...MOCKSVILLE...HICKORY... SALISBURY...SHELBY...LINCOLNTON...GASTONIA...CHARLOTTE... CONCORD...MONROE...LENOIR...MORGANTON...MARION...RUTHERFORD... COLUMBUS...GREENVILLE...SPARTANBURG...GAFFNEY...ROCK HILL... ANDERSON...ABBEVILLE...LAURENS...UNION...CHESTER...GREENWOOD 910 PM EST TUE FEB 26 2008 ...LAKE WIND ADVISORY HAS EXPIRED... THE LAKE WIND ADVISORY IS NO LONGER IN EFFECT. WINDS HAVE DECREASED TO BELOW CRITERIA SO THE LAKE WIND ADVISORY WAS ALLOWED TO EXPIRE. $$ NCZ033-048>050-053-065-501-503-505-507-509-271015- /O.CON.KGSP.WI.Y.0010.000000T0000Z-080227T1100Z/ AVERY-MADISON-YANCEY-MITCHELL-BUNCOMBE-HENDERSON- CALDWELL MOUNTAINS-BURKE MOUNTAINS-MCDOWELL MOUNTAINS- RUTHERFORD MOUNTAINS-POLK MOUNTAINS- INCLUDING THE CITIES OF...NEWLAND...SPRUCE PINE...ASHEVILLE... HENDERSONVILLE...LAKE LURE 910 PM EST TUE FEB 26 2008 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST WEDNESDAY... A WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST WEDNESDAY. NORTHWEST WINDS OF 20 TO 30 MPH WITH GUSTS UP TO 45 MPH ARE EXPECTED. WIND GUSTS AT HIGHER ELEVATIONS TONIGHT COULD EXCEED 50 MPH AT TIMES. A WIND ADVISORY MEANS THAT WIND GUSTS OF 45 TO 50 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. $$
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 Feb 26, 2:41 AM EST, 50 minutes earlier.
Area forecast discussion, Feb 26, 2:41 AM EST, 50 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
241 AM EST TUE FEB 26 2008
.SYNOPSIS...
A COLD FRONT WILL MOVE ACROSS THE REGION TUESDAY. HIGH PRESSURE WILL
THEN BUILD IN FROM THE WEST WEDNESDAY AND THURSDAY. ANOTHER COLD
FRONT IS EXPECTED TO MOVE ACROSS THE AREA FRIDAY AND FRIDAY NIGHT...
BEFORE HIGH PRESSURE REBUILDS THIS WEEKEND.
&&
.NEAR TERM /THROUGH TODAY/...
SHORT WAVE NOW DIGGING ACROSS AR HAS A STRONG LLVL JET ASSOCIATED
WITH IT. VAD WIND PROFILE AT BRANDON MS SHOWS A 55 KT SWLY JET AT 3
KFT. THE COLUMBUS AFB MS PROFILER HAS 60 KTS AT 3 KFT. THE STRENGTH
OF THIS LOW LEVEL WARM ADVECTION HAS RESULTED IN THE RAPID
DEVELOPMENT OF CONVECTION OVER MS AND MIDDLE TN. THIS JET WILL
TRANSLATE ENE OVER THE NEXT SEVERAL HOURS. THE MODELS EVEN
STRENGTHEN IT A LITTLE. THIS WILL MEAN VERY GOOD MOISTURE TRANSPORT
ACROSS THE UPSTATE...SRN NC AND NE GA IN A FEW HOURS. SO EXPECT A
PERIOD OF HEAVY RAIN AND EVEN A FEW EMBEDDED TSTMS...THOUGH ALL
CONVECTION WILL BE ELEVATED AND THE ONLY SEVERE THREAT MIGHT BE AN
ISOLATED MIX DOWN OF THE GRADIENT WINDS IN THE SRN NC MTNS. AREAS
FATHER TO THE NORTH MAY MISS OUT ON THE HEAVIER RAIN AND TSTM
THREAT...THOUGH EVERYONE SHOULD SEE SOME PCPN THIS MORNING.
FRONTAL BAND WILL BE PRETTY MUCH OUT OF THE FA BY 18 UTC. I/VE
SPED UP THE TIMING OF PCPN...BUT AS IT STANDS I MAY STILL BE TOO
SLOW. THE NAM STILL HAS DEEP MIXING THIS AFTERNOON BEHIND THE
FRONTAL BAND AS CAA BEGINS OVER THE REGION. WINDS AT THE TOP OF THE
MIXED LAYER ARE NEARLY 50 KTS...AND BUFKIT GUST POTENTIAL IS IN THE
MID 30 KT RANGE MOST AREAS. 35 KT WINDS ACTUALLY HAVE A PRETTY HIGH
IMPACT IN THIS AREA...AND IT/S ENOUGH FOR ME TO UPGRADE THE LAKE
WIND ADVISORY TO A REGULAR WIND ADVISORY. THE SIMILARITY OF THESE
PRODUCT NAMES IS UNFORTUNATE AS A WIND ADVISORY IS A MUCH MORE
SIGNIFICANT PRODUCT. STRONG GUSTS WILL DEVELOP FIRST OVER THE SW NC
MTNS...NE GA AND SW UPSTATE BETWEEN 18 AND 20 UTC...THEN TRANSLATE
EASTWARD ACROSS THE REST OF THE FOOTHILLS AND PIEDMONT OVER THE NEXT
2 TO 4 HRS. THEREFORE I/VA RUN THE WIND ADVISORY INTO MID
EVENING...THOUGH THIS IS TECHNICALLY MY SHIFT PARTNER/S PART OF THE
FORECAST.
&&
.SHORT TERM /TONIGHT THROUGH THURSDAY/...
AS OF 200 AM TUESDAY...MAIN FOCUS FOR THE SHORT TERM FORECAST PERIOD
WILL BE THE UPCOMING NWFS EVENT. OVERALL...HAVE USED A BLEND OF THE
NAM AND GFS FOR THE FORECAST DETAILS.
TUES NIGHT THRU WED NIGHT...THIS PERIOD BEGINS WITH THE SURFACE LOW
PUSHING OFF TO THE NE ACROSS THE MID ATLANTIC WITH LLVL NW FLOW FROM
THE SOUTHERN APPS BACK UPSTREAM TOWARD THE GREAT LAKES. CAA WELL
UNDERWAY TUES NIGHT INTO EARLY WED AS 850MB TEMPS FALL ACROSS THE
MNTS. AMPLE LLVL MOISTURE AND STRONG NW FLOW WILL COMBINE TO
GENERATE WIDESPREAD SNOW SHOWERS ACROSS THE NC MNTS...ESPECIALLY
ALONG THE TN STATE LINE. SNOW LEVELS WILL CONTINUE TO FALL TUES
NIGHT AND THINGS SHOULD BE ALL SNOW IN THE MNTS BY LATE TUES NIGHT.
IT APPEARS THAT THE TIME PERIOD BETWEEN 06-12Z WED WILL BE THE PRIME
TIME FOR POTENTIALLY HEAVY SNOW SHOWERS. DURING THIS TIME...BOTH THE
NAM AND GFS FEATURE THE DEEPEST LLVL MOISTURE AND BEST LAPSE RATES
WITH THE TOP OF THE MOIST LAYER REACHING UP TO AROUND -20 TO -24C.
MODEL SOUNDINGS ALONG THE TN STATE LINE GENERATE SOME CAPE DURING
THIS TIME PERIOD ON THE ORDER OF 25-50 J/KG. THIS IS ALSO WHEN THE
UPPER VORT MAX WILL ROTATE ACROSS THE FA. WOULDNT BE SURPRISED TO
SEE SOME SNOW SHOWERS BREAK CONTAINMENT WED MORNING AND MAKE THEIR
WAY OUT OF THE HIGHER TERRAIN ALONG THE TN BORDER. DURING THE DAY ON
WED...LLVL MOISTURE GRADUALLY DRIES UP FROM SW TO NE...AND THE DEPTH
OF THE MOISTURE ALSO DECREASES. CONCERNING POPS...WILL CARRY CAT
POPS IN THE BORDER COUNTIES EVERYWHERE BETWEEN 00-12Z. THIS BEGINS
TO DECREASE AFTER 12Z...BASICALLY FOLLOWING THE RETREAT OF THE LLVL
MOISTURE. THINGS SHOULD TAPER OFF PRETTY QUICKLY WED NIGHT AS FLOW
AND MOISTURE BOTH BEGIN TO WANE.
THERE ARE A COUPLE OF POTENTIALLY LIMITING FACTORS. FIRST...THE
DEPTH OF LLVL MOISTURE ISNT OPTIMAL AND DOESNT REACH INTO THE
DENDRITIC GROWTH ZONE FOR AN EXTENDED PERIOD OF TIME. ALSO...LLVL
WIND DIRECTION APPEARS TO BE AROUND 300 DEGREES FOR THE EVENT WHILE
AN OPTIMAL DIRECTION OF AROUND 320 WOULD BE PREFERRED.
HOWEVER...GIVEN THE DURATION OF THE EVENT...GOOD SUPPLY OF MOISTURE
WITH A POSSIBLE GREAT LAKES TAP...AND STRONG FLOW I CONTINUE FEEL
CONFIDENT THAT WARNING CRITERIA SNOW ACCUMS WILL BE PREVALENT IN THE
TN BORDER COUNTIES BY WED MORNING. 3 TO 6 INCHES OF SNOW SEEMS A
GOOD BET IN THESE AREAS...WITH EVEN A FEW ISOLATED HIGHER AMOUNTS IN
THE HIGHER ELEVATIONS ALONG NW FACING SLOPES. THEREFORE WILL UPGRADE
WINTER STORM WATCH TO A WARNING FOR THE INCLUDED COUNTIES.
ALSO...WINTER WX ADVISORY WILL BE ISSUED TO ACCOUNT FOR SOME SNOW
SHOWERS BREAKING CONTAINMENT AND RESULTING IN LIGHTER ACCUMS JUST
OUTSIDE OF THE WARNING AREA.
FINALLY ON THURS...UPPER FLOW DEAMPLIFIES AS THE UPPER TROF PUSHES
EASTWARD. TEMPS WARM ACROSS THE FA BY ABOUT 5-10 DEGREES AS SURFACE
HIGH BUILDS INTO THE AREA. EXCEPT FOR SOME LINGERING LIGHT SNOW
SHOWERS AND FLURRIES ACROSS THE NORTHERN MNTS THURS MORNING...DRY
THUR AFTERNOON.
&&
.LONG TERM /THURSDAY NIGHT THROUGH MONDAY/...
AS OF 250 PM MONDAY...THE MEDIUM RANGE STARTS OFF DRY...AS THE
LONGWAVE TROUGH AXIS SHIFTS EAST OF THE REGION FOR THU AND THU
NIGHT. BY FRIDAY...ANOTHER MAJOR TROUGH DIGS INTO THE EASTERN
STATES...BRINGING ANOTHER RATHER STRONG COLD FRONT INTO THE
CAROLINAS/GEORGIA. THE LATEST MODELS ARE TRENDING TOWARD A WETTER
SOLUTION WITH THIS SYSTEM...AS THE GFS AND ECMWF ARE INDICATING A
BETTER TAP OF GULF MOISTURE LATE FRIDAY INTO FRIDAY EVENING. WITH
THIS IN MIND...POPS HAVE BEEN INCREASED TO CHANCE ACROSS THE MTNS...
WITH A SLIGHT CHANCE EAST FOR FRI EVENING. ANOTHER BRIEF ROUND OF
NORTHWEST FLOW SNOW WILL BE POSSIBLE INTO SATURDAY.
AFTER SAT...THE AIRMASS SHOULD DRY OUT ONCE AGAIN AS HIGH PRESSURE
MOVES QUICKLY ACROSS THE SOUTHEAST. THE LATEST GFS BRINGS A
FULL-LATITUDE TROUGH INTO THE EASTERN STATES BY DAY 7...WITH A MAJOR
(VERY WET) FRONTAL BOUNDARY ENTERING THE AREA BY MONDAY. THE
INTERESTING POINT IS THAT THE PHASED NATURE OF THE MID-LEVEL FLOW
INDICATES THE COLD AIR MAY ARRIVE IN TIME FOR A SWITCH TO MIXED
PRECIP/SNOW. THE ECMWF HAS SOMETHING VERY SIMILAR...BUT THE PHASING
TAKES PLACE LATER...SO THERE/S NOT AS MUCH COLD AIR TO WORK WITH.
ALSO...THE EC IS 12-24 HOURS SLOWER WITH THE SYSTEM...WHICH AGREES
RATHER WELL WITH THE LATEST GFS ENSEMBLES. THEREFORE...WE WILL HOLD
OFF ON INTRODUCING CHANCE POPS TO THE FORECAST FOR DAY 7.
&&
.AVIATION /08Z TUESDAY THROUGH SATURDAY/...
LOW CIGS SHOULD QUICKLY SPREAD ACROSS THE REGION DURING THE EARLY
MORNING HOURS. REGIONAL SATELLITE IMAGERY AND SFC REPORTS SHOW THAT
STRATUS IS BEGINNING TO DEVELOP UPSTREAM OF THE AREA...AND WITH A 50
KT LLVL JET...IT WILL SPREAD QUICKLY NE. I HAVE THE CLOUDS FIRST
COMING IN AS AN MVFR DECK...WHICH LOWERS TO IFR A COUPLE HOURS
LATER. FRONTAL BAND RAIN AND SHOWERS SHOULD MOVE IN BETWEEN 12 AND
15 UTC. WINDS WILL SLOWLY VEER TO THE SOUTHWEST DURING THE DAY.
AFTER THE FRONT MOVES THROUGH...STRONG WIND GUSTS OUT OF THE
SOUTHWEST WILL BE POSSIBLE FOR A FEW HOURS DURING THE LATE
AFTERNOON. COLD AIR WILL TURN THE WINDS OUT OF THE NORTHWEST AROUND
00 UTC AT MOST SITES. KAVL WILL LIKELY SEE SNOW SHOWER ACTIVITY
BEGIN DURING THE LATE EVENING HOURS. OVER THE UPSTATE AND AT
KCLT...THERE IS A SMALL CHANCE OF THUNDERSTORMS WITH THE FRONT...BUT
CHANCES WERE TOO LOW TO INCLUDE IN THE TAF AT THIS POINT.
OTHERWISE...VFR CONDITIONS EXPECTED AS HIGH PRESSURE BUILDS OVER THE
REGION WED AND THU. ANOTHER FRONT APPROACHES FROM THE W FOR FRI-FRI
NIGHT WITH HIGH PRESSURE REBOUNDING FOR THE WEEKEND.
&&
.GSP WATCHES/WARNINGS/ADVISORIES...
GA...WIND ADVISORY FROM NOON TODAY TO 9 PM EST THIS EVENING FOR
GAZ010-017-018-026-028-029.
NC...WINTER WEATHER ADVISORY FROM 6 PM THIS EVENING TO 6 PM EST
WEDNESDAY FOR NCZ053-059-062-501-503-505.
WIND ADVISORY FROM NOON TODAY TO 6 AM EST WEDNESDAY FOR NCZ033-
048>050-053-065-501-503-505-507-509.
WIND ADVISORY FROM NOON TODAY TO 9 PM EST THIS EVENING FOR
NCZ035>037-051-052-056>059-062>064-068>072-082-502-504-
506-508-510.
WINTER STORM WARNING FROM 6 PM THIS EVENING TO 6 PM EST
WEDNESDAY FOR NCZ033-048>052-058.
SC...WIND ADVISORY FROM NOON TODAY TO 9 PM EST THIS EVENING FOR
SCZ001>014-019.
&&
SYNOPSIS...MCAVOY
NEAR TERM...MCAVOY
SHORT TERM...BSH
LONG TERM...JDL
AVIATION...MCAVOYHazardous weather outlook, Feb 25, 3:37 PM EST, 11 hours 54 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 337 PM EST MON FEB 25 2008 GAZ010-017-018-026-028-029-NCZ053-059-062>065-501-503-505-507-509- 510-SCZ001>007-010>012-019-262045- RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-BUNCOMBE- NORTHERN JACKSON-MACON-SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON- CALDWELL MOUNTAINS-BURKE MOUNTAINS-MCDOWELL MOUNTAINS- RUTHERFORD MOUNTAINS-POLK MOUNTAINS-EASTERN POLK-OCONEE MOUNTAINS- PICKENS MOUNTAINS-GREENVILLE MOUNTAINS-GREATER OCONEE- GREATER PICKENS-GREATER GREENVILLE-SPARTANBURG-ANDERSON-ABBEVILLE- LAURENS-GREENWOOD- 337 PM EST MON FEB 25 2008 ...LAKE WIND ADVISORY IN EFFECT FROM 12 PM TO 7 PM EST TUESDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...WESTERN NORTH CAROLINA AND UPSTATE SOUTH CAROLINA. .DAY ONE...THIS AFTERNOON AND TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. LAKE WIND ADVISORY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. NCZ033-048>052-058-262045- AVERY-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-GRAHAM- 337 PM EST MON FEB 25 2008 ...LAKE WIND ADVISORY IN EFFECT FROM 12 PM TO 7 PM EST TUESDAY... ...WINTER STORM WATCH IN EFFECT FROM TUESDAY EVENING THROUGH WEDNESDAY EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN NORTH CAROLINA. .DAY ONE...THIS AFTERNOON AND TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. LAKE WIND ADVISORY. WINTER STORM WATCH. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. NCZ035>037-056-057-068>072-082-502-504-506-508-SCZ008-009-013-014- 262045- ALEXANDER-IREDELL-DAVIE-CATAWBA-ROWAN-CLEVELAND-LINCOLN-GASTON- MECKLENBURG-CABARRUS-UNION NC-GREATER CALDWELL-GREATER BURKE- EASTERN MCDOWELL-GREATER RUTHERFORD-CHEROKEE-YORK-UNION SC-CHESTER- 337 PM EST MON FEB 25 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PIEDMONT NORTH CAROLINA...WESTERN NORTH CAROLINA AND UPSTATE SOUTH CAROLINA. .DAY ONE...THIS AFTERNOON AND TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 26, 6:56 AM EST | Severe Thunderstorm Warning | GSP | Anderson, Oconee | 64 min |
| Feb 26, 7:42 AM EST | Severe Thunderstorm Warning | GSP | Abbeville | 42 min |
| Feb 26, 8:03 AM EST | Severe Thunderstorm Warning | GSP | Abbeville, Anderson, Greenville, Laurens, Spartanburg | 42 min |
| Feb 26, 3:05 PM EST | Lake Wind Advisory | GSP | Abbeville, Anderson, Cherokee, Chester, Greenwood, Laurens and 2 more | 6 hr |
| Feb 26, 3:40 AM EST | Winter Storm Warning | GSP | Avery, Graham, Haywood, Madison, Mitchell, Swain and 1 more | 50 hr |
| Feb 26, 3:40 AM EST | Winter Weather Advisory | GSP | Buncombe, Burke, Caldwell, Henderson, Jackson, McDowell and 4 more | 44 hr |
Nearby
Wind Advisories in North Carolina, 2008Wind Advisories in South Carolina, 2008Wind Advisories in Georgia, 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.