MESOSCALE DISCUSSION 0069
   NWS STORM PREDICTION CENTER NORMAN OK
   0933 AM CST MON JAN 15 2007
   
   AREAS AFFECTED...MUCH OF ME...NRN VT...NRN NH
   
   CONCERNING...HEAVY SNOW 
   
   VALID 151533Z - 152030Z
   
   BANDS OF MODERATE TO HEAVY SNOW WILL SHIFT E/NEWD THROUGH THE LATE
   MORNING/EARLY AFTERNOON. SNOWFALL RATES AROUND 1 IN/HR WILL BE
   COMMON...WITH BRIEF BURSTS APPROACHING 2 IN/HR.
   
   INTENSE LOW/MID-LEVEL ISENTROPIC LIFT AHEAD OF APPROACHING SURFACE
   CYCLONE OVER EXTREME SWRN NY WILL CONTINUE TO AID IN PRODUCTION OF
   MODERATE TO HEAVY SNOW OVER MUCH OF NRN NEW ENGLAND. REGIONAL VAD
   PROFILERS SHOW LARGE VEERING HODOGRAPHS...INDICATIVE OF LARGE-SCALE
   WAA. 12Z 850 MB SUBJECTIVE ANALYSIS INDICATES STRONG WARM THETA-E
   ADVECTION ORIENTED FROM WEST TO EAST AND MAXIMIZED ACROSS SRN/CNTRL
   NY. 14Z RUC/12Z NAM GUIDANCE LIFT THIS AXIS NEWD INTO FAR NRN
   NY/VT/NH/SRN ME BY 18Z. THE HEAVIEST SNOW WILL CONTINUE AROUND 200
   KM DOWNSTREAM OF THIS AXIS...WHICH HAS ALREADY BEEN EVIDENCED BY
   RECENT SURFACE OBS FROM BTV WITH 1 IN/HR RATES. THUS...AN EXPANSION
   OF MODERATE/HEAVY SNOW WILL OCCUR ACROSS MUCH OF ME THROUGH THE
   AFTERNOON.
   
   ..GRAMS.. 01/15/2007
   
   
   ...NOTICE...
   SPC WINTER WEATHER MESOSCALE DISCUSSIONS WILL BE ISSUED ON A
   SCHEDULED BASIS FROM DECEMBER 1 THROUGH FEBRUARY 28...FOUR
   TIMES A DAY...AROUND 00 UTC...06 UTC...12 UTC...AND 18 UTC
   FOR SIGNIFICANT SHORT RANGE WINTER WEATHER EVENTS.
   
   ATTN...WFO...CAR...GYX...BTV...
   
   46596983 46376836 45736729 45026708 44306748 43766838
   43556986 43857089 43957128 44207241 44727382 45077356
   45527114