WSZA21 FAOR 011830 FAJO SIGMET G01 VALID 012200/020000 FAOR- FAJO JOHANNESBURG OCEANIC FIR SEV TURB FCST WI S3145 E05700 - S3856 E05700 - S3937 E05227 - S4221 E05101 - S3354 E04819 FL075/180=