WSUS31 KKCI 270655 SIGE MKCE WST 270655 CONVECTIVE SIGMET 37E VALID UNTIL 0855Z NC SC FL GA TN AND SC GA CSTL WTRS FROM 20SW VXV-40ESE CLT-60ESE SAV-30W CRG-30SSW PZD-20SW VXV AREA SEV EMBD TS MOV FROM 18020KT. TOPS TO FL440. TORNADOES POSS...WIND GUSTS TO 80KT POSS. TS ASSOCD WITH TC HELENE. CONVECTIVE SIGMET 38E VALID UNTIL 0855Z NC SC AND FL SC GA CSTL WTRS FROM 40ESE CLT-170ENE PBI-80ENE PBI-60ESE SAV-40ESE CLT AREA SEV TS MOV FROM 15060KT. TOPS ABV FL450. TORNADOES...WIND GUSTS TO 60KT POSS. CONVECTIVE SIGMET 39E VALID UNTIL 0855Z FL GA AND CSTL WTRS FROM 60ESE SAV-40NNE PBI-40WSW EYW-70WSW SRQ-30W CRG-60ESE SAV AREA SEV EMBD TS MOV FROM 20055KT. TOPS ABV FL450. TORNADOES...WIND GUSTS TO 60KT POSS. CONVECTIVE SIGMET 40E VALID UNTIL 0855Z NC GA TN AL FROM 30ESE BNA-20SW VXV-30SSW PZD-60ENE CEW-30ESE BNA AREA EMBD TS MOV FROM 13040KT. TOPS TO FL320. OUTLOOK VALID 270855-271255 FROM TTH-EKN-ECG-130SSE ILM-210ENE PBI-80WSW EYW-100SW CTY-VUZ-TTH REF WW 687 688. WST ISSUANCES EXPD. REFER TO MOST RECENT ACUS01 KWNS FROM STORM PREDICTION CENTER FOR SYNOPSIS AND METEOROLOGICAL DETAILS. REFER TO MOST RECENT WTNT24 KNHC FROM NATIONAL HURRICANE CENTER FOR DETAILS ON TC HELENE.