WSUS33 KKCI 181015 SIGW MKCW WST 181015 CONVECTIVE SIGMET 46W VALID UNTIL 1155Z AZ FROM 40WSW TUS-50SSE TUS DVLPG LINE TS 20 NM WIDE MOV FROM 15015KT. TOPS ABV FL450. ...SPECIAL... OUTLOOK VALID 181155-181555 TS ARE NOT EXPD TO REQUIRE WST ISSUANCES.