WSZA21 FAOR 100533 FAJO SIGMET J01 VALID 100600/101000 FAOR- FAJO JOHANNESBURG OCEANIC FIR EMBD TS FCST WI S3748 E01612 - S4342 E02240 - S4952 E02659 - S5114 E02158 - S4524 E01801 - S3752 E01243 TOP FL300=