WSAU21 AMMC 082349 YMMM SIGMET T02 VALID 090101/090501 YMMC- YMMM MELBOURNE FIR SEV TURB FCST WI S3720 E08600 - S4110 E09740 - S4300 E08720 - S3750 E07500 - S3100 E07500 FL200/340 STNR NC=