MESOSCALE DISCUSSION 0505
   NWS STORM PREDICTION CENTER NORMAN OK
   1151 AM CDT SUN APR 15 2007
   
   AREAS AFFECTED...NERN NY...VT/NH/NWRN MA
   
   CONCERNING...HEAVY SNOW 
   
   VALID 151651Z - 152245Z
   
   SNOW WILL INCREASE IN INTENSITY WITH 1-2 IN/HR FALL RATES POSSIBLE
   THIS AFTERNOON.
   
   STRONG WARM ADVECTION REGIME WILL CONTINUE AS LOW DEEPENS TO THE S.
   MEAN THICKNESS VALUES WILL INCREASE AND WILL ALLOW FOR SNOW TO
   CHANGE TO RAIN OVER ERN NY INTO MA...WHILE AREAS OF NRN NY/VT/NH
   WILL REMAIN MOSTLY SNOW. STRONG FRONTOGENETICAL FORCING ZONE IN THE
   MID LEVELS WILL INTENSIFY ACROSS THE MD AREA THIS AFTERNOON
   RESULTING IN SIGNIFICANT SNOW/DENDRITE PRODUCTION ALOFT WHICH WILL
   FALL THROUGH NEAR FREEZING SATURATED THERMAL LAYER RESULTING IN
   HEAVY SNOW. HRLY QPF VALUES UPSTREAM INDICATE 0.10 - 0.20 LIQUID
   EQUIVALENT ALREADY OCCURRING.
   
   ..JEWELL.. 04/15/2007
   
   
   ATTN...WFO...GYX...BOX...BTV...ALY...BGM...BUF...
   
   42517192 42337243 42347356 42477469 42727547 42887589
   43527582 44357586 44967506 44967437 45047301 44657236
   44077179 43347126 43077138