WSZA21 FAOR 171012 FACA SIGMET B01 VALID 171000/171400 FAOR- FACA CAPE TOWN FIR SEV TURB FCST WI S3351 E02956 - S3354 E03105 - S3647 E02812 - S3637 E02751 - S3446 E02952 SFC/FL085=