WSZA21 FAOR 181441 FACA SIGMET B01 VALID 181440/181800 FAOR- FACA CAPE TOWN FIR SEV TURB FCST WI S3103 E02831 - S3300 E03200 - S3700 E02800 - S3700 E02501 - S3622 E02418 - S3303 E01808 - S3116 E02554 SFC/FL070=