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Mesoscale Discussion 56
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   MESOSCALE DISCUSSION 0056
   NWS STORM PREDICTION CENTER NORMAN OK
   0114 PM CST MON FEB 02 2015

   AREAS AFFECTED...CNTRL/SRN MAINE

   CONCERNING...HEAVY SNOW 

   VALID 021914Z - 030015Z

   SUMMARY...HEAVY SNOW WILL CONTINUE ACROSS CNTRL/SRN MAINE THROUGH
   THE EARLY EVENING...WITH SNOWFALL RATES OF 1 TO 2 INCHES/HR LIKELY.

   DISCUSSION...A SFC LOW OFFSHORE THE MA COAST WILL MOVE NEWD TO OFF
   THE COAST OF MAINE BY 00Z THIS EVENING AS AN ASSOCIATED UPPER TROUGH
   OVER THE OHIO VALLEY ALSO MOVES NEWD WITH TIME. A BAND OF HEAVY SNOW
   IS ONGOING ACROSS MUCH OF CNTRL/SRN MAINE AS STRONG DEEP LAYER
   ASCENT AND INTENSE MIDLEVEL FRONTOGENESIS REMAIN MAXIMIZED OVER THE
   DISCUSSION AREA. 19Z SFC OBS SHOW AN ARCTIC AIRMASS REMAINS
   ENTRENCHED ACROSS THE REGION. 

   LATEST RADAR AND SHORT-TERM MODEL TRENDS SUGGEST SNOWFALL RATES OF 1
   TO 2 INCHES/HR...WITH LOCALLY HIGHER RATES NEAR THE COAST...WILL
   LIKELY CONTINUE THROUGH AT LEAST 03/00Z AS THE UPPER TROUGH AXIS AND
   ASSOCIATED COASTAL SFC LOW APPROACH FROM THE W AND SW. BEYOND
   03/00Z...THE BAND OF HEAVIEST SHOW SHOULD BEGIN TO SHIFT NEWD
   TOWARDS THE CANADIAN MARITIME PROVINCES AS THE BEST UPPER FORCING
   SHIFTS NEWD AS WELL. SNOWFALL RATES IN EXCESS OF 1 INCH/HR MAY
   CONTINUE ACROSS DOWN EAST MAINE THROUGH THE EARLY EVENING
   HOURS...BUT SHOULD EVENTUALLY DIMINISH LATER INTO THE NIGHT.

   ..GLEASON.. 02/02/2015


   ATTN...WFO...CAR...GYX...

   LAT...LON   43387034 43057064 43177079 43357089 43617090 44377102
               44927063 45876862 45976811 45946784 45886765 45706764
               45666743 45576736 45396736 45286728 45256712 45196703
               45056694 44896689 44746690 44676701 44396754 44276802
               44086828 43926853 43796886 43726929 43596989 43387034 

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Page last modified: February 03, 2015
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