MESOSCALE DISCUSSION 2106
   NWS STORM PREDICTION CENTER NORMAN OK
   0342 PM CST MON DEC 28 2015

   AREAS AFFECTED...PORTIONS OF FAR ERN KS...NRN MO...AND CNTRL IA

   CONCERNING...HEAVY SNOW 

   VALID 282142Z - 290145Z

   SUMMARY...A BAND OF MODERATE TO HEAVY SNOW WILL MOVE OVER PORTIONS
   OF NRN MO AND CNTRL IA THIS AFTERNOON AND EARLY EVENING. SNOWFALL
   RATES UP TO 1 INCH/HR WILL BE POSSIBLE.

   DISCUSSION...A WELL-DEFINED AND NEARLY VERTICALLY STACKED CYCLONE
   EVIDENT IN VISIBLE SATELLITE IMAGERY OVER NRN MO AS OF 21Z WILL
   CONTINUE MOVING NEWD TO THE UPPER MIDWEST/GREAT LAKES REGION BY THIS
   EVENING. STRONG LARGE-SCALE ASCENT ATTENDANT TO THIS UPPER LOW IS
   SUPPORTING A BAND OF PRECIPITATION EXTENDING FROM THE KANSAS CITY
   METRO AREA NWD INTO N-CNTRL MO/S-CNTRL IA. OVER THE NEXT SEVERAL
   HOURS...THIS BAND SHOULD BECOME ORIENTED MORE N TO S ACROSS THE MCD
   AREA AS THE UPPER LOW EJECTS NEWD. PRIMARY P-TYPE SHOULD BE SNOW AS
   MID-LEVEL TEMPERATURES COOL WITH THE UPPER LOW PASSING OVERHEAD/TO
   THE SE AND CAA OCCURS ON THE WRN HALF OF THE CYCLONE. SNOWFALL RATES
   OF 0.5-1.0 INCH/HR WILL BE POSSIBLE WITH THIS ACTIVITY THROUGH THE
   EARLY EVENING PER SFC OBSERVATIONS AND RECENT HI-RES MODEL GUIDANCE.
   IN ADDITION...SOME SLEET/FREEZING RAIN MAY BE POSSIBLE ALONG THE ERN
   FRINGES OF THE MCD AREA WHERE TEMPERATURES NEAR-FREEZING AROUND 700
   MB COULD SUPPORT MIXED P-TYPES. THE MODERATE TO HEAVY SNOWFALL
   SHOULD SHIFT NWD FROM MO INTO CNTRL IA THROUGH 00Z.

   ..GLEASON.. 12/28/2015


   ATTN...WFO...ARX...DMX...EAX...

   LAT...LON   40539294 39189396 38779440 38789481 39569500 40599489
               42389482 43169399 43449306 43299266 42589257 42029233
               40539294