WSUS31 KKCI 210755 SIGE MKCE WST 210755 CONVECTIVE SIGMET 7E VALID UNTIL 0955Z MD VA NC AND CSTL WTRS FROM 20WNW SBY-80SE SBY-40SW ECG-50ESE LYH-30ESE CSN-20WNW SBY AREA TS MOV FROM 29040KT. TOPS TO FL320. OUTLOOK VALID 210955-211355 FROM DCA-SBY-70ESE SBY-120ESE ECG-ECG-40S RIC-DCA WST ISSUANCES POSS. REFER TO MOST RECENT ACUS01 KWNS FROM STORM PREDICTION CENTER FOR SYNOPSIS AND METEOROLOGICAL DETAILS.