WSAU21 AMMC 061002 YMMM SIGMET I01 VALID 061002/061402 YMMC- YMMM MELBOURNE FIR SEV TURB FCST WI S4200 E09900 - S4200 E10400 - S4730 E10300 - S4700 E09830 FL140/270 MOV E 30KT NC=