MESOSCALE DISCUSSION 0914
   NWS STORM PREDICTION CENTER NORMAN OK
   0705 PM CDT FRI MAY 31 2013

   AREAS AFFECTED...ERN KS THROUGH CNTRL MO

   CONCERNING...TORNADO WATCH 260...263...

   VALID 010005Z - 010130Z

   THE SEVERE WEATHER THREAT FOR TORNADO WATCH 260...263...CONTINUES.

   SUMMARY...STORMS WILL CONTINUE TO POSE A THREAT FOR
   TORNADOES...LARGE HAIL AND DAMAGING WIND FROM SERN KS THROUGH CNTRL
   MO NEXT FEW HOURS. OTHER STORMS WILL LIKELY DEVELOP EWD INTO CNTRL
   AND SCNTRL IL WHERE A NEW WW MAY BE NEEDED BY 01Z.

   DISCUSSION...A BROKEN LINE OF STORMS PERSISTS FROM SERN KS THROUGH
   CNTRL MO. ORGANIZED STRUCTURES WITH INCLUDING SUPERCELLS AND LINE
   SEGMENTS CONTINUE TO BE OBSERVED. THE ATMOSPHERE REMAINS VERY
   UNSTABLE...AND STRENGTHENING LLJ WILL CONTINUE TO SUPPORT
   DEVELOPMENT ALONG THE SW-NE ORIENTED CONVECTIVELY ENHANCED BOUNDARY.
   VWP DATA SHOW VERY FAVORABLE DEEP SHEAR IN EXCESS OF 50 KT IN THE
   0-6 KM LAYER...ALONG WITH SUFFICIENT SHEAR FOR LOW LEVEL
   MESOCYCLONES.

   STORMS MAY DEVELOP NEWD THROUGH CNTRL IL ALONG OUTFLOW BOUNDARY THIS
   EVENING...AND BOW ECHO STORM NEAR ST. LOUIS WILL LIKELY PERSIST INTO
   SCNTRL IL.

   ..DIAL.. 06/01/2013


   ATTN...WFO...LOT...ILX...LSX...SGF...EAX...ICT...

   LAT...LON   38708951 37169418 37209599 37709535 38539260 40568788
               38708951