WSZA21 FAOR 211727 FACA SIGMET F01 VALID 211800/212200 FAOR- FACA CAPE TOWN FIR SEV TURB FCST WI S3428 E01641 - S3440 E01743 - S3645 E02113 - S3642 E01818 - S3459 E01559 - S3428 E01641 FL050/065=