WSAU21 AMMC 110236 YMMM SIGMET M01 VALID 110236/110636 YMMC- YMMM MELBOURNE FIR SEV TURB FCST WI S3510 E12250 - YKGA - HYDRA - S3720 E12050 - S3610 E11620 FL300/390 STNR NC=