ZCZC MKCWWAMKC ALL 240700;321,0962 311,0922 291,0922 301,0962; WWUS8 KMKC 240307 MKC WW-A 240307 STATUS REPORT ON WW NUMBER 758 THE THREAT OF SEVERE WEATHER CONTINUES CONTINUES EAST OF A LINE FROM 30 WSW BPT TO 40 SSE LFK TO 55 WNW LFK TO 20 SSW TYR. CONTINUE VALID PORTIONS OF WW. STGST ACTVTY CONTS TO MOV NNEWD ACRS WRN SXNS OF CNTRL LA...WHILE MOVG ESEWD ACRS CHEROKEE CNTY TX. VERT SHEAR PROFILES RMN TO BE FVRBL ACRS LA WHERE LO LVL FLO CONTS AT 50-55 KT ACRS SWRN LA INTO N CNTRL LA...BUT HAS SHIFTED TO SWLY THE PAST HR OR SO. LO LVL FLO RMNS COUPLED WITH WSWLY MID LVL FLO OF 50-60 KT ACRS CNTRL TX. SOURCE RGN HAS CHANGED IN THE LO LVLS THO...ERYR THE SOURCE RGN WAS SLY FM THE GLFMEX...NOW THE COMPONENT TO THE LO LVL WND IS MORE FM DRIER RGNS OF CNTRL TX. VERT SHEAR PROFILES WUD INDC THAT ENVORONMENT RMNS FVRBL FOR ROTATING STMS ACRS CNTRL LA...BUT THIS ACTVTY IS ENCOUNTERING CNVTV/RAIN-COOLED BNDRY AND STMS ALG/JUST N OF THE BNDRY HAVE MORE ELEVATED CHARACTERISTICS. STMS MOVG ESEWD ACRS PTNS OF E CNTRL TX HAVE HAD A HISTORY OF PRODUCING GOLFBALL SIZE HAIL /1.75 IN DIAM/ IN HOUSTON CNTY AT 0249Z. CLD TOPS HAVE WRMD IN THE LAST HR...THUS LRG HAIL THREAT MAY BE DIMINISHING. HOWEVER...RADAR INDCS THAT ACTVTY IS MERGING ACRS CHEROKEE CNTY INDCG INCRD THREAT OF HVY RAINFALL. ..MCCARTHY.. 10/24/97