WSUS31 KKCI 181555 SIGE MKCE WST 181555 CONVECTIVE SIGMET...NONE OUTLOOK VALID 181755-182155 FROM 30SSE BUF-PSK-VUZ-40NW BWG-40W ERI-30SSE BUF WST ISSUANCES POSS. REFER TO MOST RECENT ACUS01 KWNS FROM STORM PREDICTION CENTER FOR SYNOPSIS AND METEOROLOGICAL DETAILS.