Here's the Greenville /Greer SC Forecast Discussion:
http://www.weather.gov/view/prodsByState.php?state=SC&prodtype=discussion
000
FXUS62 KGSP 281526
AFDGSP
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1026 AM EST THU JAN 28 2010
.SYNOPSIS...
A COLD FRONT WILL CROSS THE AREA TODAY...AND BECOME STATIONARY SOUTH
OF THE REGION EARLY FRIDAY. LOW PRESSURE WILL MOVE ALONG THE GULF
COAST FRIDAY AND SATURDAY...SPREADING MOISTURE ACROSS THE CAROLINAS
FROM LATE FRIDAY THROUGH SATURDAY MORNING. HIGH PRESSURE WILL BUILD
IN FOR THE LATTER PART OF THE WEEKEND.
&&
.NEAR TERM /THROUGH TONIGHT/...
CLOUDS WILL LINGER ACROSS THE MTNS AS A COLD FRONT DROPS ACROSS THE
AREA THIS AFTERNOON. CIRRUS WILL BE THE MAIN CLOUD TYPE ELSEWHERE.
OBSERVED THICKNESSES THIS MORNING ARE RIGHT IN LINE WITH THE GOING
FCST HIGHS...SO NO CHANGES THERE. WINDS LOOK TO BE QUITE GUSTY
ACROSS THE RIDGES TODAY WITH SOME LOW END GUSTS ELSEWHERE. HAVE MADE
SOME ADJUSTMENTS TO WINDS AND SKY TO ACCOUNT FOR THESE TRENDS.
OTHERWISE...LITTLE CHANGE TO THE GOING FCST.
TNGT...POLAR HI PRES BLDS INTO THE CENTRAL APPALACHIANS TO THE MID
ATLC COAST...AS DEEP SRN STREAM S/W DIGS INTO THE SRN PLAINS.
INCREASING CLOUDINESS IS EXPECTED AS THE SYS ORGANIZES UPSTREAM
INVOF E TX. HOWEVER...ANY PRECIP ASSOCIATED WITH THAT SYS IS
EXPECTED TO HOLD OFF UNTIL AFTER DAYBREAK. MIN TEMPS MAINLY IN THE
20S N TO MID-UPR 30S S.
&&
.SHORT TERM /FRIDAY THROUGH SUNDAY/...
AS OF 345 AM THURSDAY...THE SRN STREAM SYSTEM THAT IS GOING TO PLAY
THE MAJOR ROLE IN OUR WX LATE TOMORROW INTO SATURDAY CURRENTLY IS
CONSOLIDATING OVER THE DESERT SOUTHWEST. THE SYSTEM LOOKS QUITE
VIGOROUS ON THE WATER VAPOR IMAGERY ATTM.
FOR THIS PACKAGE I HAVE EXPANDED TO WINTER STORM WATCH TO COVER MOST
OF THE FA WITH THE EXCEPTION OF ELBERT...ABBEVILLE AND GREENWOOD
COUNTIES. THE NAM AND ECMWF CONTINUE TO BE THE FAVORED SOLUTIONS.
THE GFS HAS A STRONGER WARM NOSE FRI NIGHT THAN THE NAM.
HOWEVER...THE LATEST SREF PLUME DIAGRAMS HAVE TAKEN A TURN FOR THE
COLDER AND THE GFS APPEARS TO BE A WARM OUTLIER.
THE 00 UTC ECMWF WAS ALSO COLDER AND LINES UP WELL WITH THE NAM.
THEIR QPF FORECASTS ARE NEARLY IDENTICAL...CONSIDERING THE
DIFFERENCES IN MODEL RESOLUTION...AND IT APPEARS THAT 1 TO 1.5
INCHES OF QPF IS A VERY GOOD BET FOR THE HEART OF THE FA. AS I
SAID...THE PLUME DIAGRAMS ARE MUCH COLDER...A TREND THAT HAS BEEN
GOING OF FOR 3 RUNS NOW. FOR GREER...THEY CURRENTLY AVERAGE 4 INCHES
OF SNOW...AND AT KCLT THEY AVERAGE 5 INCHES. IN EACH CASE...THE
HEAVIEST P-TYPE IS SNOW WITH SECOND PLACE GOING TO SLEET. AS FOR
PRETTY MUCH ALL OF THE NC MTNS...FOOTHILLS AND AND NW PIEDMONT...IT
LOOKS TO BE JUST ABOUT ALL SNOW. HOWEVER...A FEW OF THE MEMBERS HAVE
DRAMATICALLY HEAVIER SNOW AMOUNTS EVEN FROM GREENVILLE TO CHARLOTTE.
I/VE PULLED THE HEAVIER SNOW AMOUNTS ABOUT 30 MILES SOUTH OF WHERE
THEY WERE BEFORE. I/M MAINTAINING THE PREVIOUS SHIFTS SOLID 8 TO 10
INCH AMOUNTS ALONG AND NORTH OF I-40..BUT THE SOUTHWARD ADJUSTMENT
TAKES THEM ACROSS MOST OF THE REST OF THE NC FOOTHILLS AND INTO THE
SC AND GA MTNS. I STAYED CLOSE TO THE PLUME AVERAGES FOR THE
GREENVILLE AND CHARLOTTE METRO AREAS...WHICH MEANS MORE SNOW.
HOWEVER...I/M STILL NERVOUS ABOUT HOW THE MODELS ARE JUMPING AROUND
WITH THE WARM NOSE. THEREFORE...I WOULDN/T ADVERTISE THE SNOW AS A
SLAM DUNK...JUST AN INCREASINGLY LIKELY SOLUTION. SLEET OR FREEZING
RAIN COULD STILL BE OUR PRIMARY P-TYPE IN THESE AREAS.
I/VE DRAWN UP AN AREA OF .25 INCHES OF FREEZING RAIN OVER THE
UPSTATE FROM ANDERSON TO SOUTHERN GREENVILLE COUNTY OVER TO GAFFNEY
AND THE MONROE. FARTHER TO THE SOUTH...IT APPEARS THAT AREAS FROM
ELBERTON TO GREENWOOD WILL JUST BE A COLD RAIN WITH SOME MIX AT THE
BEGINNING AND END.
THE LATEST AVERAGE MODEL SOLUTIONS ARE A LITTLE SLOWER AND I HAVE
CAT POPS FOR THE FIRST HALF OF SATURDAY OVER MOST OF NC...TAPERING
OFF FARTHER TO THE SOUTHWEST. THE NAM AND EC CONTINUE TO ADVERTISE A
WEAK DEFORMATION ZONE THAT COULD KEEP SNOW GOING A GOOD BIT OF THE
DAY OVER THE NRN NC COUNTIES.
IT WILL BE COLD AND DRY SATURDAY NIGHT AND SUNDAY AS HIGH PRESSURE
BUILDS INTO THE REGION.
&&