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Mesoscale Discussion 179
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   MESOSCALE DISCUSSION 0179
   NWS STORM PREDICTION CENTER NORMAN OK
   1152 AM CDT WED MAR 12 2014

   AREAS AFFECTED...WRN THROUGH NRN NY...MUCH OF VT...NH AND SRN MAINE

   CONCERNING...HEAVY SNOW 

   VALID 121652Z - 122145Z

   SUMMARY...HEAVY SNOW BANDS WILL DEVELOP EWD THROUGH NRN NY...NRN TWO
   THIRDS OF VT AND NH AS WELL AS SRN MAINE THROUGH THE AFTERNOON.
   SNOWFALL RATES WILL AT TIMES LOCALLY EXCEED 1 INCH PER HOUR.

   DISCUSSION...SURFACE LOW WILL UNDERGO FURTHER DEEPENING AS IT MOVES
   FROM SWRN PA THIS AFTERNOON TO NJ BY EARLY EVENING. NORTH OF THIS
   FEATURE...E-W ORIENTED ZONE OF STRONG FRONTOGENETIC FORCING AND
   ISENTROPIC ASCENT WITHIN COUPLED UPPER JET STRUCTURE SHOULD CONTINUE
   TO PROMOTE BANDS OF HEAVY SNOW. ASCENT SHOULD BE MAXIMIZED NORTH OF
   THE LOW CENTER AND ON NOSE OF EWD MIGRATING 60 KT LLJ. FORECAST
   SOUNDING SHOW THE DEVELOPMENT OF A MID-LEVEL NEUTRALLY OR WEAKLY
   UNSTABLE LAYER. THOUGH INSTABILITY SHOULD REMAIN TOO SHALLOW AND
   WEAK FOR LIGHTNING PRODUCTION...SOME CONVECTIVE ENHANCEMENT IS
   LIKELY WITH SNOWFALL RATES LOCALLY IN EXCESS OF 1 INCH PER HOUR.

   ..DIAL.. 03/12/2014


   ATTN...WFO...CAR...GYX...BTV...ALY...BGM...BUF...

   LAT...LON   45027143 45726989 45196890 44366948 43467158 43037424
               42307648 42617729 43507662 44627507 45027143 

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