ZCZC SPCSWOMCD ALL ACUS11 KWNS 240451 SPC MCD 240451 KSZ000-240645- MESOSCALE DISCUSSION 0701 NWS STORM PREDICTION CENTER NORMAN OK 1151 PM CDT MON MAY 23 2016 AREAS AFFECTED...PARTS OF WESTERN AND CENTRAL KS CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE VALID 240451Z - 240645Z PROBABILITY OF WATCH ISSUANCE...60 PERCENT SUMMARY...TSTMS COVERAGE IS EXPECTED TO INCREASE OVERNIGHT ACROSS PARTS OF WESTERN AND CENTRAL KS...WITH UPSCALE GROWTH POSSIBLE INTO AN MCS. GREATEST SEVERE-WEATHER THREATS SHOULD BE LARGE HAIL AND DAMAGING WINDS. DISCUSSION...TRENDS IN MOSAIC RADAR IMAGERY INDICATED STORMS CONTINUE TO DEVELOP IN VICINITY AND SOUTH OF THE NORTH-CENTRAL KS/NEB BORDER...AND SOUTHWESTWARD ALONG A WIND SHIFT THROUGH TREGO AND GOVE COUNTIES. MEANWHILE...IR SATELLITE IMAGERY INDICATED CLOUD-TOP COOLING WITH THESE STORMS AND ATTENDANT TO CU/MODERATE CU FORMING TO THE SOUTHWEST THROUGH SCOTT COUNTY KS TO KIOWA COUNTY CO. THIS INCREASE IN CONVECTION APPEARS TO BE ATTENDANT TO AN INCREASE IN LOW-LEVEL WARM ADVECTION WITHIN THE NOSE OF A STRENGTHENING SOUTHERLY LLJ EXTENDING INTO WESTERN AND CENTRAL KS. THIS JET WILL MAINTAIN A FEED OF MODERATE TO VERY STRONG INSTABILITY /MUCAPE 1500-3000 J PER KG/...WHILE EFFECTIVE BULK SHEAR OF 40-50 KT SUPPORTS THE LIKELIHOOD FOR STORM ORGANIZATION WITH ANY SUSTAINED STORMS. LARGE HAIL /POSSIBLY UP TO 2 INCHES IN DIAMETER/ AND DAMAGING WINDS SHOULD BE THE PRIMARY THREATS. 00Z NSSL-WRF 4 KM/03Z ESRL-HRRR AND LAST SEVERAL RUNS OF THE OPERATIONAL HRRR HAVE INDICATED A SCENARIO FOR ADDITIONAL TSTM DEVELOPMENT FROM NORTH-CENTRAL TO NORTHWEST AND/OR WESTERN KS...WITH UPSCALE GROWTH INTO A FORWARD-PROPAGATING MCS INTO CENTRAL KS. ..PETERS/EDWARDS.. 05/24/2016 ...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT... ATTN...WFO...TOP...ICT...GID...DDC...GLD... LAT...LON 38830127 39779943 39889778 38709689 37509673 37169774 37399956 38200125 38830127 NNNN