WSUS33 KKCI 071555 SIGW MKCW WST 071555 CONVECTIVE SIGMET 16W VALID UNTIL 1755Z MT FROM 50N GGW-20WSW GGW-30ESE HLN-60WNW HVR-50N GGW AREA TS MOV FROM 20040KT. TOPS TO FL310. OUTLOOK VALID 071755-072155 FROM 40NE HVR-50NNW GGW-SHR-50S LWT-40NE HVR WST ISSUANCES POSS. REFER TO MOST RECENT ACUS01 KWNS FROM STORM PREDICTION CENTER FOR SYNOPSIS AND METEOROLOGICAL DETAILS.