WSUS33 KKCI 150855 SIGW MKCW WST 150855 CONVECTIVE SIGMET 18W VALID UNTIL 1055Z NM AZ FROM 40S INW-20SE TCS-40WSW ELP-20ESE TUS-40SSW PHX-40S INW AREA TS MOV FROM 30015KT. TOPS TO FL390. OUTLOOK VALID 151055-151455 FROM DRK-30NNE TCS-40WSW ELP-50SW DMN-60SSW DMN-50SSW TUS-DRK WST ISSUANCES POSS. REFER TO MOST RECENT ACUS01 KWNS FROM STORM PREDICTION CENTER FOR SYNOPSIS AND METEOROLOGICAL DETAILS.