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THE MAIN CONCERN IN THE EXTENDED IS A CLOSED LOW THAT MOVES ACROSSTHE PLAINS THURSDAY AND OVER THE GREAT LAKES BY SATURDAY. THE GFSAND THE NAM DIFFER GREATLY WITH THE SPEED OF THIS SYSTEM...WITH THENAM BEING THE FASTER MODEL. THE SLOWER GFS IS PREFERED AS THE MODELSGENERALLY TREND SLOWER WITH THESE TYPES OF CLOSED LOW SYSTEMS...ANDTHE TIMING OF THE ECMWF IS CLOSER TO THE GFS. A STRONG SOUTHEASTERLY850 MB JET MAY ALSO PRODUCE DOWNSLOPE FLOW WHICH DELAYS THE ONSET OFPRECIP IN NORTHERN SECTIONS. STRONG WARM ADVECTION BELOW UPPER LEVELDIFFLUENCE AHEAD OF THE SLOW-MOVING SYSTEM SHOULD PRODUCE A GOODRAINFALL EVENT FOR THE AREA ON FRIDAY AND FRIDAY NIGHT. WILL BRINGCHANCE POPS INTO SOUTHERN AND WESTERN SECTIONS THURSDAY NIGHT...THENHIGH CHANCES FRIDAY AND FRIDAY NIGHT. TIMING UNCERTAINTIES PREVENTLIKELY POPS AT THIS TIME. THE SURFACE COLD FRONT AND MIDLEVEL TROUGHAXIS PASS THROUGH ON SATURDAY...ENDING THE PRECIP IN MOSTAREAS...THOUGH NORTHERN SECTIONS COULD SEE SOME LINGERING SHOWERSSATURDAY NIGHT AS THE 500 MB THERMAL TROUGH MOVES OVERHEAD. THEHIGHER ELEVATIONS OF THE SMOKIES COULD SEE THE FIRST SNOW OF THEYEAR ON SATURDAY NIGHT WITH THE UPSLOPE FLOW AND COLD ADVECTIONBEHIND THE SYSTEM.
..... Any thoughts?
Don't forget to eat at the Pancake Pantry in Gatlinburg for us, Renee.Have some
THE CORE OF THE UPPER LOWWILL BE OVERHEAD SATURDAY NIGHT...WITH A 40 KT NORTHWEST FLOW AT 850MB. THIS SHOULD KEEP SOME SHOWERS GOING SATURDAY NIGHT ANDSUNDAY...MAINLY IN NORTHERN SECTIONS AND IN THE MOUNTAINS. HIGHERELEVATIONS COULD SEE SOME SNOW SHOWERS...BUT THE TEMPS ALOFT ARE TOOMARGINAL TO MENTION ANY SNOW AT THIS TIME.THE CLOSED LOW OPENS INTO A SHORTWAVE TROUGH ON SUNDAY...MERGINGWITH ANOTHER CLOSED LOW THAT DIVES SOUTHEAST FROM CENTRAL CANADA. ALONGWAVE TROUGH WILL EXTEND OVER THE EASTERN CONUS THROUGH THEBEGINNING OF THE WEEK WITH A STRONG POLAR JET DIVING INTO THE OHIOVALLEY REGION. WHILE THE MODELS AGREE ON THIS GENERAL TREND...THEYDIFFER GREATLY IN THE FINER DETAILS. THE ECMWF HAS A DEEPER TROUGHALONG THE APPALACHIANS ON MONDAY...BRINGING COLDER AIR FARTHER SOUTHAND MORE MOISTURE. IF THE ECMWF IS CORRECT...THICKNESS VALUESINDICATE SNOW IN OUR NORTHERN COUNTIES AND THE MOUNTAINS. HOWEVER ITHAS ALSO SHOWN POOR RUN-TO-RUN CONSISTENCY...SO THE GFS IS PREFEREDAT THIS TIME. THE GFS DOES NOT SHOW AS DEEP OF A TROUGH OVER THESOUTHEAST...AND KEEPS MOISTURE WELL TO THE NORTH. THE GFS ENSEMBLEMEAN SHOWS A TROUGH THAT IS EVEN LESS DEEP THAN THE OPERATIONAL GFS.THUS WILL KEEP MONDAY DRY.
URGENT - WINTER WEATHER MESSAGENATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC256 PM EDT MON OCT 27 2008NCZ033-048>052-280300-/O.NEW.KGSP.WW.Y.0006.081028T0300Z-081028T1800Z/AVERY-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-INCLUDING THE CITIES OF...NEWLAND...SPRUCE PINE...CHEROKEE...WAYNESVILLE256 PM EDT MON OCT 27 2008...WINTER WEATHER ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO2 PM EDT TUESDAY...THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUEDA WINTER WEATHER ADVISORY FOR SNOW FOR PORTIONS OF THE NORTHCAROLINA MOUNTAIN COUNTIES BORDERING TENNESSEE...WHICH IS INEFFECT FROM 11 PM THIS EVENING TO 2 PM EDT TUESDAY.NORTHWESTERLY WINDS WILL BRING INCREASING AMOUNTS OF MOISTURE INTOTHE NORTH CAROLINA MOUNTAINS TONIGHT AND TUESDAY. THE COMBINATIONOF MOISTURE AND UNSEASONABLY COLD TEMPERATURES WILL RESULT IN SNOWSHOWERS BEGINNING THIS EVENING AND LASTING INTO THE EARLYAFTERNOON HOURS ON TUESDAY.COUNTIES ALONG THE TENNESSEE BORDER WILL SEE THE GREATEST COVERAGEOF SNOW SHOWERS. ELEVATIONS ABOVE ABOUT 3000 FEET COULD SEE 1 TO 2INCHES OF SNOW BY THE TIME THE SNOW SHOWERS TAPER OFF IN THEAFTERNOON. LESS SNOWFALL IS EXPECTED IN LOWER ELEVATION VALLEYLOCATIONS. HOWEVER...WITH TEMPERATURES FALLING WELL BELOW FREEZINGTONIGHT...SLICK SPOTS ARE LIKELY TO DEVELOP ON BRIDGES ANDOVERPASSES IN MANY AREAS.A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOWWILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOWCOVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILEDRIVING.$$MCAVOY
URGENT - WINTER WEATHER MESSAGENATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC803 PM EDT MON OCT 27 2008NCZ033-048>052-281000-/O.EXT.KGSP.WW.Y.0006.081028T0003Z-081028T1800Z/AVERY-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-INCLUDING THE CITIES OF...NEWLAND...SPRUCE PINE...CHEROKEE...WAYNESVILLE803 PM EDT MON OCT 27 2008...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 2 PM EDT TUESDAY...THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL 2 PM EDTTUESDAY.NORTHWESTERLY WINDS WILL BRING INCREASING AMOUNTS OF MOISTUREINTO THE NORTH CAROLINA MOUNTAINS TONIGHT AND TUESDAY. THECOMBINATION OF MOISTURE AND UNSEASONABLY COLD TEMPERATURES WILLRESULT IN SNOW SHOWERS BEGINNING THIS EVENING AND LASTING INTOTHE EARLY AFTERNOON HOURS ON TUESDAY.COUNTIES ALONG THE TENNESSEE BORDER WILL SEE THE GREATESTCOVERAGE OF SNOW SHOWERS. ELEVATIONS ABOVE ABOUT 3000 FEET COULDSEE 1 TO 3 INCHES OF SNOW BY THE TIME THE SNOW SHOWERS TAPER OFFIN THE AFTERNOON. LESS SNOWFALL IS EXPECTED IN LOWER ELEVATIONVALLEY LOCATIONS. HOWEVER...WITH TEMPERATURES FALLING WELL BELOWFREEZING TONIGHT...SLICK SPOTS ARE LIKELY TO DEVELOP ON BRIDGESAND OVERPASSES IN MANY AREAS.A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOWWILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOWCOVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILEDRIVING.$$07--------------------------------------------------------------------------------URGENT - WINTER WEATHER MESSAGENATIONAL WEATHER SERVICE MORRISTOWN TN610 PM EDT MON OCT 27 2008...LIGHT SNOW ACCUMULATIONS FOR HIGHER ELEVATIONS OF SOUTHWESTVIRGINIA AND EASTERN TENNESSEE MOUNTAINS TONIGHT AND TUESDAYMORNING....A STRONG UPPER LEVEL TROUGH DIGGING SOUTH INTO THE SOUTHERNAPPALACHIANS WILL BRING BELOW NORMAL TEMPERATURES TONIGHT ANDTUESDAY ALONG WITH ENOUGH MOISTURE FOR SNOW SHOWERS TO BRINGACCUMULATING SNOW IN THE HIGHER ELEVATIONS OF SOUTHWEST VIRGINIAAND EAST TENNESSEE. THE SNOW SHOWERS WILL DECREASE BY TUESDAYAFTERNOON.TNZ018-041-043-045-047-072-074-VAZ002-006-280400-/O.NEW.KMRX.WW.Y.0005.081028T0100Z-081028T1600Z/JOHNSON-COCKE SMOKY MOUNTAINS-SOUTHEAST GREENE-UNICOI-SOUTHEAST CARTER-BLOUNT SMOKY MOUNTAINS-SEVIER SMOKY MOUNTAINS-WISE-RUSSELL-INCLUDING THE CITIES OF...MOUNTAIN CITY...COSBY...CEDAR CREEK...ERWIN...ROAN MOUNTAIN...CADES COVE...GATLINBURG...WISE...NORTON...LEBANON610 PM EDT MON OCT 27 2008...WINTER WEATHER ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO12 PM EDT TUESDAY...THE NATIONAL WEATHER SERVICE IN MORRISTOWN HAS ISSUED A WINTERWEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 9 PM THISEVENING TO 12 PM EDT TUESDAY.STAY TUNED TO NOAA WEATHER RADIO AND OTHER LOCAL MEDIA FOR FURTHERDETAILS OR UPDATES.LIGHT RAIN SHOWERS WILL DROP SOUTHEAST FROM KENTUCKY THIS EVENINGINTO SOUTHWEST VIRGINIA AND THE EASTERN TENNESSEE MOUNTAINS ANDCHANGE TO SNOW LATE THIS EVENING...CONTINUING OVERNIGHT AND TUESDAYMORNING BEFORE GRADUALLY ENDING. SNOW ACCUMULATION OF ONE TO THREEINCHES IS POSSIBLE BY LATE TUESDAY MORNING ACROSS THE HIGHERTERRAIN OF SOUTHWEST VIRGINIA...NORTHEAST TENNESSEE MOUNTAINS ANDTHE SMOKY MOUNTAINS. THE HIGHER TERRAIN IS GENERALLY ELEVATIONSABOVE 3000 FEET.A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW AREEXPECTED OR OCCURRING...BUT ACCUMULATIONS ARE EXPECTED TO BE LIGHT.DRIVING AND WALKING MAY BE DIFFICULT ON UNTREATED ROADWAYS ANDSIDEWALKS. BE PREPARED FOR SNOW COVERED ROADS AND LIMITEDVISIBILITIES. IF YOU MUST TRAVEL...SLOW DOWN AND ALLOW EXTRA TIMETO REACH YOUR DESTINATION
My sons and Husband were in the Smokey's last weekend backpacking - it rained. Guess they should be happy they are not there now...
Two years ago this month I walked to the top of Clingman's Dome. At that time in the Afternoon it was 35º at the top with at least 30 mph winds. It was 70º in Memphis just to contrast the 2.