WSZA21 FAOR 050953 FAJA SIGMET B01 VALID 051000/051400 FAOR- FAJA JOHANNESBURG FIR EMBD TS OBS WI S2515 E02320 - S2516 E02323 - S2637 E02510 - S2639 E02831 - S2734 E02936 - S2824 E02821 - S2813 E02501 - S2614 E02226 - S2612 E02230 - S2600 E02244 - S2527 E02250 - S2517 E02301 TOP FL390 INTSF=