MESOSCALE DISCUSSION 0153
   NWS STORM PREDICTION CENTER NORMAN OK
   0107 AM CST THU FEB 10 2005
   
   AREAS AFFECTED...NRN VT/NRN NH INTO NW MAINE
   
   CONCERNING...HEAVY SNOW 
   
   VALID 100707Z - 101130Z
   
   MDT/OCNLY HEAVY SNOW EXPECTED TO EXPAND EWD ACROSS NRN VT/NRN NH
   INTO NW MAINE OVERNIGHT...WITH RATES UP TO 1 IN/HR POSSIBLE.
   
   AHEAD OF UPPER TROUGH PROGRESSING EWD OVER LOWER MI/LAKE
   HURON...WARM CONVEYOR AND ASSOCIATED LOW LEVEL WAA/MOISTURE
   TRANSPORT TO CONTRIBUTE TO EXPANDING PRECIPITATION COVERAGE/
   INTENSITY ACROSS NRN NEW ENGLAND OVERNIGHT. ACCORDINGLY IR IMAGERY
   DEPICTS COOLING CLOUD TOPS OVER THE PAST SEVERAL HOURS. AT 06Z...SFC
   WET BULB ZERO LINE ROUGHLY BISECTS VT/NH...WITH WAA REGIME
   MAINTAINING ABOVE 32F TEMPS ACROSS FAR SRN VT/SRN NH.
   
   ACROSS NRN VT/NRN NH INTO NW ME WHERE SUFFICIENTLY COLD PROFILES
   EXIST...INCREASING UVVS COUPLED WITH DEEPLY SATURATED COLUMN AND
   FAVORABLE DENDRITIC GROWTH LAYER SUGGEST MDT/OCNLY HEAVY SNOW IS
   POSSIBLE OVERNIGHT. IN ACCORDANCE WITH OBSERVATIONAL TRENDS...
   NUMERICAL GUIDANCE SUGGESTS HEAVIEST SNOW WILL MATERIALIZE ACROSS
   MUCH OF NRN VT BEFORE 09Z...SPREADING EWD ACROSS NRN NH INTO NW
   MAINE PRIOR TO 12Z.
   
   ..GUYER.. 02/10/2005
   
   
   ...NOTICE...
   SPC WINTER WEATHER MESOSCALE DISCUSSIONS WILL BE ISSUED ON A 
   SCHEDULED BASIS...FOUR TIMES A DAY...BETWEEN 00-01 UTC...
   06-07 UTC...12-13 UTC...AND 18-19 UTC AS SIGNIFICANT SHORT
   RANGE WINTER WEATHER EVENTS UNFOLD.  THIS SCHEDULE WILL BE
   USED FROM DECEMBER 1 THROUGH FEBRUARY 28.
   
   ATTN...WFO...GYX...BTV...ALY...
   
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   43537282 43757353 44287361 45007341 44997226 45267111