WSAU21 AMMC 141936 YMMM SIGMET D02 VALID 141955/142255 YMMC- YMMM MELBOURNE FIR EMBD TS OBS WI S1240 E08720 - S1510 E08920 - S1640 E08700 - S1210 E08250 - S1050 E08410 TOP FL550 STNR NC=