MESOSCALE DISCUSSION 0005
   NWS STORM PREDICTION CENTER NORMAN OK
   1234 PM CST SAT JAN 03 2009
   
   AREAS AFFECTED...NERN SD...FAR SE NE...MUCH OF WRN AND NRN MN
   
   CONCERNING...HEAVY SNOW 
   
   VALID 031834Z - 040030Z
   
   BANDS OF HEAVY SNOW WILL PERSIST AND REDEVELOP WITH SNOWFALL RATES
   OF 1-2 IN/HR LIKELY THROUGH AT LEAST 00Z.
   
   A BAND OF MDT TO HVY SNOW HAS MATERIALIZED ACROSS NW MN INTO ERN
   SD...IN ASSOCIATION WITH A ZONE OF MODERATE FRONTOGENETICAL FORCING
   ALOFT...AND VERY NEAR THE 700 MB LOW PRESSURE TROUGH. FORCING
   ASSOCIATED WITH THIS TROUGH WILL PERSIST THROUGH THE AFTERNOON HOURS
   WITH A NEAR STEADY INTENSITY STATE AS SEEN IN CURRENT PRIMARY SNOW
   BAND. RUC AND NAM MODELS SUGGEST HRLY QPF RATES OF 0.10 TO 0.15 IN
   WHICH CORRESPOND WELL WITH RECENT OBSERVATIONS OVER NERN SD WHERE
   0.10 IN WAS MEASURED AS OF 18Z. MODERATE SNOW/LIQUID RATIOS EXIST
   DUE TO COOL TEMPERATURES IN THE TEENS WHICH WILL HELP TO MAXIMIZE
   SNOW DEPTH WITH LOCALIZED 2 IN/HR LIKELY ESPECIALLY OVER NWRN MN
   LATER TODAY.
   
   ..JEWELL.. 01/03/2009
   
   
   ...NOTICE...
   SPC WINTER WEATHER MESOSCALE DISCUSSIONS WILL BE ISSUED ON A
   SCHEDULED BASIS FROM DECEMBER 1 THROUGH FEBRUARY 28...FOUR
   TIMES A DAY...AROUND 00 UTC...06 UTC...12 UTC...AND 18 UTC
   FOR SIGNIFICANT SHORT RANGE WINTER WEATHER EVENTS.
   
   ATTN...WFO...DLH...MPX...FGF...FSD...ABR...
   
   LAT...LON   49019608 49069551 49089515 49479516 49469469 48819458
               48689371 48659277 48549266 48139261 47559282 45669477
               45129530 44249587 44289746 45369749 46209714 47239652
               48029635 49019608