WSUS32 KKCI 270355 SIGC MKCC WST 270355 CONVECTIVE SIGMET 4C VALID UNTIL 0555Z TN KY IN IL MO FROM 40NNW PXV-60WSW BNA-30ENE MEM-40SSE STL-40NNW PXV AREA EMBD TS MOV FROM 08020KT. TOPS TO FL300. OUTLOOK VALID 270555-270955 FROM 50NNW PXV-30NNW MSL-MEM-STL-50NNW PXV WST ISSUANCES POSS. REFER TO MOST RECENT ACUS01 KWNS FROM STORM PREDICTION CENTER FOR SYNOPSIS AND METEOROLOGICAL DETAILS.