WSAU21 AMMC 051103 YMMM SIGMET J02 VALID 051105/051505 YMMC- YMMM MELBOURNE FIR EMBD TS OBS WI S0930 E07510 - S0910 E07900 - S1050 E08110 - S1240 E07950 - S1310 E07500 TOP FL530 STNR NC=