WSZA21 FAOR 131743 FAJA SIGMET C01 VALID 131800/132200 FAOR- FAJA JOHANNESBURG FIR SEV TURB FCST WI S2800 E02928 - S2928 E03123 - S3136 E02930 - S3046 E02801 - S3057 E02619 - S3119 E02345 - S3118 E02342 - S3043 E02237 - S2933 E02628 FL100/200=