WSUS31 KKCI 180355 SIGE MKCE WST 180355 CONVECTIVE SIGMET 16E VALID UNTIL 0555Z FL AND CSTL WTRS FROM 60E PBI-140SE MIA-70ESE EYW-50SW MIA-20SSW PBI-60E PBI AREA EMBD TS MOV FROM 10010KT. TOPS ABV FL450. CONVECTIVE SIGMET 17E VALID UNTIL 0555Z DE MD VA NC DC SC AND DE MD NC VA SC CSTL WTRS FROM 10SSW EMI-30ENE SBY-50E ECG-80S ILM-30NNE CAE-10SSW EMI AREA EMBD TS MOV FROM 26020KT. TOPS ABV FL450. CONVECTIVE SIGMET 18E VALID UNTIL 0555Z MA NH RI VT CT NY NJ PA DE MD AND MA RI DE NJ NY CT CSTL WTRS FROM 40NE ALB-20NNW ACK-50SSE SIE-10SSW EMI-40NE ALB AREA EMBD TS MOV FROM 24020KT. TOPS ABV FL450. CONVECTIVE SIGMET 19E VALID UNTIL 0555Z PA MD VA NC WV FROM 50ESE AIR-10ENE CSN-20ESE GSO-40SSW PSK-50W BKW-50ESE AIR AREA EMBD TS MOV FROM 24020KT. TOPS TO FL380. CONVECTIVE SIGMET 20E VALID UNTIL 0555Z DE NJ NY MD NC VA CSTL WTRS FROM 120E SIE-170SSE HTO-200ESE ECG-120ESE ECG-120E SIE AREA TS MOV FROM 21020KT. TOPS TO FL380. OUTLOOK VALID 180555-180955 FROM 30NE MPV-80NE ACK-140SSE ILM-30ESE SAV-MSL-30ESE PXV-40E AIR-30NE MPV WST ISSUANCES EXPD. REFER TO MOST RECENT ACUS01 KWNS FROM STORM PREDICTION CENTER FOR SYNOPSIS AND METEOROLOGICAL DETAILS.