MESOSCALE DISCUSSION 0492
   NWS STORM PREDICTION CENTER NORMAN OK
   0956 PM CDT FRI APR 18 2003
   
   AREAS AFFECTED...NERN NEB AND WCNTRL IA
   
   CONCERNING...SEVERE THUNDERSTORM WATCH 127...
   
   VALID 190256Z - 190400Z
   
   TSTMS CONTINUE TO WEAKEN AND MOVE NEWD INTO NWRN IA AND SERN SD
   AT MID EVENING.  IT APPEARS THE SEVERE THREAT HAS DIMINISHED
   GREATLY SINCE 00 UTC AS MAIN LLJ AXIS SHIFTS EWD INTO MO/CNTRL
   IA.  AS SUCH...WS 127 MAY BE CANCELLED BEFORE THE 0500 UTC
   EXPIRATION.
   
   
   ..RACY.. 04/19/2003
   
   
   ATTN...WFO...DMX...FSD...OAX...
   
   41299630 42719678 42649500 41289509