000 FAUS23 KZKC 172000 ZKC3 CWA 172000 ZKC CWA 302 VALID UNTIL 172100 FROM 45E STL-10S STL-40WSW STL LINE TS...25NM WIDE...MOV LTL. TOPS ABV FL450. TS VC KSTL THRU 21Z. THIS IS ADDN INFO TO CONVECTIVE SIGMET 91C. =