SPC MESOSCALE DISCUSSION 0237 FOR SRN MO INTO SWRN IL.
   CONCERNING...FREEZING RAIN AND SLEET...
   
   VALID 252148Z - 260300Z
   
   FREEZING RAIN WITH RATES FROM 0.10 - 0.25 IN/HR IS EXPECTED TO
   DEVELOP BETWEEN 00-01Z...AND CONTINUING THROUGH THE EVENING.
   
   LOW LEVEL ISENTROPIC LIFT WILL INCREASE OVER THE DISCUSSION
   AREA...AS LOW LEVEL WINDS INCREASE AND BACK.  LATEST SURFACE
   ANALYSIS SHOWS INCREASING PRESSURE FALLS OVER THE AREA...REFLECTING
   THIS LIFT.  CURRENT FREEZING LINE EXTENDS FROM NEAR SGF TO STL AND
   IS NOT EXPECTED TO MOVE MUCH WITH MINIMAL SURFACE THERMAL ADVECTION
   AND THICK CLOUD COVER.  FREEZING RAIN LINE WILL MOVE SLOWLY SEWD
   DURING THE NIGHT...WITH SLEET/SNOW MIX INTO THE SGF AREA BY 06Z.  
   
   ..JEWELL.. 03/25/02