WSUS33 KKCI 041655 SIGW MKCW WST 041655 CONVECTIVE SIGMET 57W VALID UNTIL 1855Z NM FROM 70NW CME-20ENE CME-70ENE ELP-60ESE TCS-70NW CME AREA EMBD TS MOV LTL. TOPS TO FL300. CONVECTIVE SIGMET 58W VALID UNTIL 1855Z AZ NV CA FROM 40WSW ILC-10N PGS-30S EED-30SW TRM-30S BTY-40WSW ILC AREA EMBD TS MOV LTL. TOPS TO FL330. CONVECTIVE SIGMET 59W VALID UNTIL 1855Z AZ UT NV FROM 30NE ILC-20ESE HVE-50NNE TBC-30WSW ILC-30NE ILC AREA EMBD TS MOV LTL. TOPS TO FL310. CONVECTIVE SIGMET 60W VALID UNTIL 1855Z CO NM FROM 40SE HBU-20NE CIM-30WNW FTI-30NNE RSK-40SE HBU AREA TS MOV LTL. TOPS TO FL310. CONVECTIVE SIGMET 61W VALID UNTIL 1855Z UT FROM 20WNW MTU-10E MTU-30NNE HVE-30E DTA-20WNW MTU AREA TS MOV LTL. TOPS TO FL330. OUTLOOK VALID 041855-042255 FROM 40NNW BVL-40NW ALS-30SSE CME-70NW MRF-SJN-30W BZA-40SSE OAL-40NNW BVL WST ISSUANCES POSS. REFER TO MOST RECENT ACUS01 KWNS FROM STORM PREDICTION CENTER FOR SYNOPSIS AND METEOROLOGICAL DETAILS.