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Mesoscale Discussion 1909
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   MESOSCALE DISCUSSION 1909
   NWS STORM PREDICTION CENTER NORMAN OK
   0232 PM CST MON NOV 10 2014

   AREAS AFFECTED...NRN WI AND THE UPPER PENINSULA OF MI

   CONCERNING...HEAVY SNOW 

   VALID 102032Z - 110030Z

   SUMMARY...LOCALLY HEAVY SNOWFALL RATES UP TO 1"/HR MAY CONTINUE
   ACROSS PORTIONS OF NRN WI AND THE UPPER PENINSULA OF MI OVER THE
   NEXT FEW HOURS.

   DISCUSSION...A BROAD AREA OF 700-500 MB ASCENT TO THE E OF A
   SHORTWAVE TROUGH OVER THE NRN PLAINS AND LOW-LEVEL WARM AIR
   ADVECTION TO THE N OF A SFC WARM FRONT /LOCATED ACROSS NRN IA/SRN
   WI/ IS SUPPORTING AN AREA OF SNOW FROM NRN WI TO THE UPPER PENINSULA
   OF MI. RECENT SFC OBSERVATIONS AND RADAR TRENDS INDICATE THIS BAND
   OF MODERATE TO LOCALLY HEAVY SNOW WILL CONTINUE TO MOVE ENE.

   EXPECT THIS SNOW BAND TO SUPPORT SNOWFALL RATES UP TO 1"/HR FOR THE
   NEXT FEW HOURS AS BOTH LOW AND MID-LEVEL FORCING REMAINS MAXIMIZED
   ACROSS NRN WI AND UPPER MI. BEYOND 11/00Z...BETTER UPPER FORCING
   SHOULD SHIFT NEWD WHILE LOW-LEVEL WAA SHIFTS EWD...LESSENING
   SNOWFALL RATES. LATEST HI-RES MODEL GUIDANCE CONTINUES TO SUPPORT
   THIS SCENARIO.

   ..GLEASON/MARSH.. 11/10/2014


   ATTN...WFO...MQT...GRB...DLH...MPX...

   LAT...LON   46029235 46549119 46708905 46468692 45718698 45748863
               45529059 45549250 46029235 

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Page last modified: November 11, 2014
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