WSAU21 AMMC 140337 YMMM SIGMET D01 VALID 140337/140737 YMMC- YMMM MELBOURNE FIR EMBD TS OBS WI S0350 E09120 - S0550 E09200 - S0620 E09010 - S0520 E08620 - S0530 E08010 - S0330 E08120 TOP FL540 STNR NC=