WSAU21 AMMC 060848 YMMM SIGMET I02 VALID 060931/061331 YMMC- YMMM MELBOURNE FIR SEV TURB FCST WI S3000 E08700 - S3600 E09000 - S3400 E08000 - S3000 E07500 - S2500 E07500 FL240/360 MOV NE 10KT NC=