WSZA21 FAOR 300618 FAJO SIGMET C01 VALID 300614/301000 FAOR- FAJO JOHANNESBURG OCEANIC FIR SEV TURB FCST WI S3118 E03805 - S3519 E04416 - S3901 E04358 - S3851 E03944 - S3414 E03414 FL300/340=