000 WSUS32 KKCI 180855 SIGC MKCC WST 180855 CONVECTIVE SIGMET 18C VALID UNTIL 1055Z MO IA KS NE FROM 20SSE OVR-40NW IRK-50NE BUM-20SSW SLN-50WNW PWE-20SSE OVR AREA SEV EMBD TS MOV FROM 25040KT. TOPS TO FL450. HAIL TO 2.5 IN...WIND GUSTS TO 55KT POSS. OUTLOOK VALID 181055-181455 FROM IOW-UIN-SGF-ICT-OBH-IOW REF WW 124. WST ISSUANCES EXPD. REFER TO MOST RECENT ACUS01 KWNS FROM STORM PREDICTION CENTER FOR SYNOPSIS AND METEOROLOGICAL DETAILS.