MESOSCALE DISCUSSION 0885
   NWS STORM PREDICTION CENTER NORMAN OK
   0738 AM CDT MON MAY 23 2011
   
   AREAS AFFECTED...SOUTHEAST KS/NORTHEAST OK/SOUTHWEST MO/NORTHWEST AR
   
   CONCERNING...SEVERE THUNDERSTORM WATCH 337...
   
   VALID 231238Z - 231415Z
   
   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 337
   CONTINUES.
   
   SEVERE TSTM WATCH 337 CONTINUES UNTIL 18Z. LARGE HAIL WILL REMAIN
   POSSIBLE THIS MORNING...WITH AN INCREASING CONCERN FOR DAMAGING WIND
   GUSTS WITH AN EVOLVING MCS CURRENTLY ACROSS FAR SOUTHEAST KS/FAR
   NORTHEAST OK INTO SOUTHWEST MO...THIS INCLUDES PORTIONS OF THE I-44
   CORRIDOR IN SOUTHWEST MO/FAR NORTHEAST OK.
   
   A FORWARD PROPAGATING CONVECTIVE CLUSTER CONTINUES TO
   INTENSIFY/EXPAND AND ORGANIZE ACROSS FAR SOUTHEAST KS/FAR NORTHEAST
   OK GENERALLY BETWEEN THE CHANUTE KS/BARTLESVILLE OK AREAS AS OF
   1230Z. WHILE BOUTS OF LARGE HAIL WILL REMAIN POSSIBLE...BOTH WITH
   THIS MCS AND OTHER MORE ISOLATED ELEVATED TSTMS...DAMAGING WINDS
   WILL LIKELY BECOME AN INCREASING CONCERN ACROSS THE REMAINDER OF
   EXTREME SOUTHEAST KS/FAR NORTHEAST OK INTO SOUTHWEST MO AND PERHAPS
   EXTREME NORTHERN AR. ALONG THESE LINES...A 54 KT WIND GUST WAS
   RECENTLY MEASURED IN COFFEYVILLE KS AS OF 1210Z. WHILE THE
   MCS-DOWNSTREAM AIRMASS IS NOT PARTICULARLY MOIST/UNSTABLE EARLY
   TODAY IN THE WAKE OF LAST NIGHTS STORMS...THE 12Z OBSERVED RAOB FROM
   SPRINGFIELD IS INDICATIVE OF VERY STEEP LAPSE RATES ALOFT...WITH
   AMPLE HEATING LIKELY TO OCCUR ACROSS MO/ADJACENT AR GIVEN CLOUD-FREE
   SKIES PER VISIBLE SATELLITE IMAGERY. THESE FACTORS SEEMS LIKELY TO
   SUPPORT ADDITIONAL MCS UPSCALE GROWTH/INTENSIFICATION THROUGH THE
   MORNING.
   
   ..GUYER.. 05/23/2011
   
   
   ATTN...WFO...LSX...LZK...SGF...EAX...TSA...ICT...
   
   LAT...LON   37009643 37589594 38569395 38649256 36339310 35979613
               37009643