MESOSCALE DISCUSSION 0248
   NWS STORM PREDICTION CENTER NORMAN OK
   0701 PM CST THU MAR 01 2007
   
   AREAS AFFECTED...NRN LOWER MI
   
   CONCERNING...WINTER MIXED PRECIPITATION 
   
   VALID 020101Z - 020430Z
   
   WINTER PRECIPITATION WILL CONTINUE ACROSS NRN LOWER MI...WITH A
   TENDENCY FOR SNOW TO BECOME MIXED OR CHANGE TO PREDOMINATELY IP/ZR
   AS THE EVENING CONTINUES.
   
   DEEP OCCLUDED CYCLONE OVER NERN IA PLACES MI UNDER REGION OF STRONG
   WARM ADVECTION AND DIFFLUENT FLOW ALOFT. WITH THE SLOW EWD MOVEMENT
   OF UPPER SYSTEM...AREAL COVERAGE OF PRECIPITATION IS LIKELY TO
   EXPAND AND THE POTENTIAL FOR EMBEDDED CONVECTIVE SHOWERS AND
   THUNDERSTORMS TO CONTINUE. LATEST OBSERVED SOUNDINGS AND SHORT TERM
   RUC FORECAST SOUNDINGS INDICATE TEMPERATURES IN THE 800 TO 850 MB
   LAYER SHOULD RISE ABOVE FREEZING BETWEEN 02 AND 05 UTC...CHANGING
   THE PREDOMINANT PRECIPITATION TYPE TO IP/ZR. GIVEN EXPECTED
   PRECIPITATION RATES AND SURFACE TEMPERATURES REMAINING AT OR BELOW
   FREEZING...ICE ACCRETION IS LIKELY THIS EVENING.
   
   ..BRIGHT.. 03/02/2007
   
   
   ATTN...WFO...DTX...APX...GRR...
   
   45138573 45428537 45658452 45278347 43638263 43498342
   43818451 43948563 44118652 44948612