WSUS31 KKCI 271355 SIGE MKCE WST 271355 CONVECTIVE SIGMET 56E VALID UNTIL 1555Z VA NC WV SC TN KY FROM 50SSE EKN-50ENE RDU-40NNW FLO-30WNW SPA-50E LOZ-50SSE EKN AREA SEV EMBD TS MOV FROM 18030KT. TOPS TO FL450. TORNADOES POSS...WIND GUSTS TO 60KT POSS. TS ASSOCD WITH TC HELENE. CONVECTIVE SIGMET 57E VALID UNTIL 1555Z NC SC AND CSTL WTRS FROM 50ENE RDU-130SE ILM-50SE CHS-40NNW FLO-50ENE RDU AREA SEV EMBD TS MOV FROM 18055KT. TOPS ABV FL450. TORNADOES POSS...WIND GUSTS TO 60KT POSS. TS ASSOCD WITH TC HELENE. CONVECTIVE SIGMET 58E VALID UNTIL 1555Z FL AND NC FL SC GA CSTL WTRS FROM 130SE ILM-140ENE PBI-40WNW EYW-50SE CHS-130SE ILM AREA TS MOV FROM 20055KT. TOPS TO FL400. REF INTL SIGMET INDIA SERIES. OUTLOOK VALID 271555-271955 FROM EMI-180ESE ECG-130SSE ILM-210ENE PBI-40WNW EYW-40SSE CHS-40SE VXV-30WSW HNN-EMI REF WW 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.