MESOSCALE DISCUSSION 0916
   NWS STORM PREDICTION CENTER NORMAN OK
   0927 PM CDT MON JUN 01 2009
   
   AREAS AFFECTED...NRN KS...SERN NEB...NRN MO...SRN IA
   
   CONCERNING...SEVERE THUNDERSTORM WATCH 319...
   
   VALID 020227Z - 020330Z
   
   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 319
   CONTINUES.
   
   SEVERE THUNDERSTORM WATCH 319 IS SET TO EXPIRE AT 04Z.
   
   NOSE OF A 30-35 KT SLY LLJ WAS IMPINGING ON SWD MOVING OUTFLOW
   BOUNDARIES AND CONTINUALLY RENEWING INCREASINGLY ELEVATED MULTICELL
   CLUSTERS OVER NERN KS AND EXTREME SERN NEB THIS EVENING.  THIS
   PROCESS MAY CONTINUE FOR A FEW MORE HOURS WITH STORMS BUILDING SWD
   INTO THE TOPEKA-WESTERN KANSAS CITY METRO CORRIDOR.  NOW THAT LAPSE
   RATES WERE DECREASING IN THE LLVLS...THE SVR THREAT WAS
   DIMINISHING...BUT THE HVY RNFL THREAT WILL PERSIST INTO THE
   OVERNIGHT IN NERN KS WHERE RNFL RATES OF 1-2 IN/HR ARE LIKELY. 
   ISOLD LARGE HAIL MAY ALSO ACCOMPANY THE STRONGER UPDRAFTS.  
   
   FARTHER TO THE E AND NE AWAY FROM THE STRONGER LLVL FLOW...THE SVR
   THREAT HAS DIMINISHED ACROSS NRN MO/SRN IA.
   
   ..RACY.. 06/02/2009
   
   
   ATTN...WFO...DVN...DMX...EAX...OAX...TOP...GID...
   
   LAT...LON   40059921 41639198 41079160 40329322 39469906 40059921