MESOSCALE DISCUSSION 1444
   NWS STORM PREDICTION CENTER NORMAN OK
   0510 PM CDT SAT JUN 21 2003
   
   AREAS AFFECTED...NORTH DAKOTA
   
   CONCERNING...SEVERE THUNDERSTORM WATCH 556...
   
   VALID 212210Z - 212345Z
   
   THUNDERSTORMS ARE RAPIDLY DEVELOPING ALONG COLD FRONT ACROSS CENTRAL
   PORTIONS OF WW.  ALTHOUGH INITIAL DEVELOPMENT APPEARS TO BE
   DISCRETE...ACTIVITY WILL LIKELY EVOLVE INTO A SQUALL LINE AS BACKED
   HIGH LEVEL FLOW AND STRONG LOW LEVEL CONVERGENCE FAVOR FORCED LINE
   SEGMENTS.  STRONG WINDS AND LARGE HAIL WILL ACCOMPANY THIS
   CONVECTION.
   
   ..DARROW.. 06/21/2003
   
   
   ATTN...WFO...FGF...BIS...
   
   46000241 48660150 48769622 46199731