MESOSCALE DISCUSSION 0830
   NWS STORM PREDICTION CENTER NORMAN OK
   0818 PM CDT MON MAY 27 2013

   AREAS AFFECTED...NRN KS/SRN NEB

   CONCERNING...TORNADO WATCH 231...

   VALID 280118Z - 280315Z

   THE SEVERE WEATHER THREAT FOR TORNADO WATCH 231 CONTINUES.

   SUMMARY...SEVERE/TORNADO THREAT CONTINUES ACROSS N CENTRAL KS/S
   CENTRAL OK.

   DISCUSSION...LATEST RADAR TRENDS REVEAL A LARGE/EVOLVING HP-TYPE
   SUPERCELL MOVING EWD ACROSS FILLMORE AND THAYER COUNTIES IN
   NEB...WITH A BROAD CIRCULATION OVER SWRN FILLMORE COUNTY ATTM. 
   FARTHER S...A COMPLEX EVOLUTION IS ONGOING...WITH POTENTIALLY THREE
   SEPARATE MESOCYCLONES RESIDING ACROSS JEWELL COUNTY -- INCLUDING A
   MESOCYCLONE CROSSING NERN PORTIONS OF THE COUNTY THAT EARLIER
   DISPLAYED A ROTATION SIGNATURE INDICATIVE OF A SIGNIFICANT TORNADO. 


   STORMS AWAY FROM THIS MAIN CLUSTER OF SUPERCELLS REMAIN MUCH LESS
   ORGANIZED...AND WHILE AN INCREASE IN COVERAGE/ORGANIZATION MAY OCCUR
   WITH TIME AS THE LOW-LEVEL JET STRENGTHENS...THE ONGOING SUPERCELL
   CLUSTER -- RIDING EWD INVOF THE SURFACE WARM FRONT -- WILL LIKELY
   REMAIN THE PRIMARY FOCUS FOR VERY LARGE HAIL...STRONG/DAMAGING
   WINDS...AND TORNADOES.

   ..GOSS.. 05/28/2013


   ATTN...WFO...OAX...TOP...ICT...GID...

   LAT...LON   38969594 38499787 38539854 39609858 40989781 41099711
               40659631 38969594