WSUS31 KKCI 270455 SIGE MKCE WST 270455 CONVECTIVE SIGMET 27E VALID UNTIL 0655Z FL GA AND FL CSTL WTRS FROM 30N PZD-30SE AMG-30S CTY-50SSW TLH-30N PZD AREA SEV EMBD TS MOV FROM 18020KT. TOPS ABV FL450. TORNADOES POSS...WIND GUSTS TO 120KT POSS. TS ASSOCD WITH TC HELENE. CONVECTIVE SIGMET 28E VALID UNTIL 0655Z FL GA CSTL WTRS FROM 100SSE CHS-160ESE MIA-80ESE MIA-70E OMN-100SSE CHS AREA EMBD TS MOV FROM 18045KT. TOPS ABV FL450. CONVECTIVE SIGMET 29E VALID UNTIL 0655Z SC GA AND CSTL WTRS FROM 20NNW ODF-20NW FLO-100SSE CHS-30SE AMG-30N PZD-20NNW ODF AREA SEV EMBD TS MOV FROM 15035KT. TOPS TO FL430. TORNADOES POSS...WIND GUSTS TO 60KT POSS. CONVECTIVE SIGMET 30E VALID UNTIL 0655Z FL GA AND CSTL WTRS FROM 100SSE CHS-40S EYW-100SW SRQ-30S CTY-30SE AMG-100SSE CHS AREA EMBD TS MOV FROM 20055KT. TOPS TO FL430. CONVECTIVE SIGMET 31E VALID UNTIL 0655Z FL GA AL FROM 20NNW ODF-30N PZD-50SSW TLH-40NE CEW-20SE GQO-20NNW ODF AREA SEV EMBD TS MOV FROM 13040KT. TOPS TO FL350. TORNADOES...WIND GUSTS TO 60KT POSS. OUTLOOK VALID 270655-271055 FROM EKN-ECG-120SE CHS-90SE MIA-80WSW EYW-100SW CTY-40ESE CEW-IIU-EKN REF WW 687 688. WST ISSUANCES EXPD. REFER TO MOST RECENT WTNT24 KNHC FROM NATIONAL HURRICANE CENTER FOR DETAILS ON TC HELENE.