MESOSCALE DISCUSSION 2459
   NWS STORM PREDICTION CENTER NORMAN OK
   1027 AM CST THU NOV 24 2005
   
   AREAS AFFECTED...PORTIONS NRN NEW ENGLAND
   
   CONCERNING...HEAVY SNOW 
   
   VALID 241627Z - 242030Z
   
   HEAVY SNOW IS EXPECTED TO SHIFT NEWD FROM MA...EXTREME S-CENTRAL NY
   AND SRN PORTIONS VT/NH THROUGH 21Z.  2 INCH/HOUR RATES SHOULD
   DEVELOP WITHIN 75-90 NM S OF CANADIAN BORDER ACROSS VT/NH AND NWRN
   MAINE. RATES LOCALLY MAY EXCEED 3 INCHES/HOUR...PARTICULARLY OVER S
   FACING SLOPES IN HIGHER ELEVATIONS THAT INTERCEPT OPTIMAL OROGRAPHIC
   ASCENT AMIDST 35-50 KT LLJ.  HEAVY SNOW SHOULD TAPER OVER ERN
   NY...WRN/CENTRAL MA...SRN VT AND INLAND PORTIONS CT/RI DURING
   PERIOD.
   
   SFC MESOANALYSIS SHOWS FRONTAL-WAVE LOW OVER ERN MA INVOF
   BOS...MARINE FRONT NEWD ALONG COAST TO NWRN BAY OF FUNDY AND INTO
   SERN NEW BRUNSWICK...SYNOPTIC WARM FRONT SSEWD PAST CAPE COD OVER
   ATLANTIC...AND QUASISTATIONARY FRONTAL ZONE EXTENDING SWWD ACROSS
   SRN CT INTO SERN NY.  SFC FREEZE LINE IS PACKED WITHIN COASTAL
   BAROCLINIC ZONE AND SHOULD SHIFT SLOWLY INLAND ACROSS COASTAL
   COUNTIES OF MAINE PRIOR TO PASSAGE OF SFC CYCLONE.  MODIFIED RAOBS
   AND FCST SOUNDINGS INDICATE ENTIRE TROPOSPHERIC COLUMN OVER MOST OF
   VT...CENTRAL/NRN NH AND NWRN MAINE WILL REMAIN SUBFREEZING...BUT
   WITH INCREASING MOISTURE CONTENT IN LOW LEVELS.  EXPECT INTENSE LOW
   LEVEL WAA REGIME -- NOW EVIDENT IN REGIONAL VWP -- AND MOISTURE
   TRANSPORT WILL CONTINUE NW-NE OF SFC LOW AS LOW SHIFTS NEWD ALONG
   COASTAL FRONT. VEERING OF 850 MB FLOW WITH TIME WILL INDICATE SHIFT
   OF STRONGEST LIFT AND HEAVIEST SNOW POTENTIAL EWD FROM VT INTO NWRN
   MAINE...WHILE STRONG ISENTROPIC AND OROGRAPHIC ASCENT WILL
   CONTRIBUTE TO HEAVY SNOW THREAT.
   
   ..EDWARDS.. 11/24/2005
   
   
   ...NOTICE...
   SPC WINTER WEATHER MESOSCALE DISCUSSIONS WILL BE ISSUED ON A
   SCHEDULED BASIS FROM DECEMBER 1 THROUGH FEBRUARY 28...FOUR
   TIMES A DAY...BETWEEN 00-01 UTC...06-07 UTC...12-13 UTC...
   AND 18-19 UTC FOR SIGNIFICANT SHORT RANGE WINTER WEATHER EVENTS.
   
   ATTN...WFO...CAR...GYX...BTV...
   
   46517000 46286930 45666861 45006847 44736914 44506975
   44187039 43497125 43317152 43597228 44097288 44787302
   45017300 45007151 45137142 45227142 45307125 45247116
   45357098 45217087 45387079 45427080 45427075 45387063
   45427063 45487072 45607062 45737036 45807040 45927024
   45957023 45977032 46077030 46147023 46217027 46357021