WSZA21 FAOR 181416 FAJO SIGMET C01 VALID 181414/181800 FAOR- FAJO JOHANNESBURG OCEANIC FIR SEV TURB FCST WI S2652 W00637 - S2826 W00228 - S3232 W00813 - S3245 W01000 - S2801 W01000 FL240/300=