WSAU21 AMMC 010344 YMMM SIGMET B02 VALID 010440/010840 YMMC- YMMM MELBOURNE FIR SEV TURB FCST WI S5000 E08000 - S3600 E09300 - S3900 E10000 - S5000 E09100 FL210/350 STNR NC=