.LONG TERM /MONDAY THROUGH WEDNESDAY/... AS OF 515 AM EST THURSDAY...
SUNDAY THE VERY DEEP POLAR LONG WAVE TROUGH LIFTS NORTHEAST AS THE ARCTIC SURFACE HIGH SETTLES SQUARELY OVER THE REGION.
AT THIS POINT...THE ATTENTION THEN TURNS TO A COMBINATION OF VIGOROUS SHORT WAVES DESTINED TO MERGE INTO A SINGLE STRONGER SYSTEM ALONG THE SOUTHEAST U.S. COAST.
THE LATEST GFS HAS TRENDED TOWARD THE ECMWF...MEANING A FURTHER NORTHWARD TRACK...WHILE THE ECMWF HAS GENERALLY REMAINED CONSISTENT WITH THE TRACK...
BUT HAS TRENDED COLDER. GIVEN THE ANTECEDENT AIR MASS IN PLACE WILL BE BITTER COLD AND DRY...
THE COLDER TEMPERATURE SOLUTION OF THE GFS SEEMS PLAUSIBLE.
THE MODELS HAVE ALSO TRENDED STRONGER WITH THIS SYSTEM AS THE ENERGY FROM TWO SHORT WAVES MERGES IN THE GA/SC AREA...
NOW DEPICTING A DEEPER COASTAL LOW AND POTENTIAL MILLER A TYPE SCENARIO.
AS WPC HAS NOTED...THE THREAT IS THERE FOR A SIGNIFICANT WINTER STORM IN THE EAST...
AND THIS DOES INDEED APPEAR TO BE THE CASE. SIGNIFICANT SNOW AMOUNTS ARE INDICATED VIA BOTH THE GFS AND ECMWF ACROSS THE RNK CWA...
WEST OF THE BLUE RIDGE...WITH STRONG POTENTIAL FOR MIXED PRECIPITATION...SNOW/SLEET/FREEZING RAIN ACROSS THE PIEDMONT AS THE WARM NOSE INVADES
THAT REGION MONDAY NIGHT.
LIKELY POPS FOR THE ENTIRE CWA MON-MON NIGHT AND CONFINED TO ALL SNOW WEST OR A RAIN/SNOW MIX PIEDMONT
GIVEN UNCERTAINTY WITH COLD AIR DEPTH ACROSS THE PIEDMONT.
ALL INTERESTS ACROSS THE REGION SHOULD MONITOR FUTURE FORECASTS CLOSELY REGARDING THIS POSSIBLE WINTER STORM EARLY NEXT WEEK.