WSAU21 AMMC 061401 YMMM SIGMET Y02 VALID 061534/061934 YMMC- YMMM MELBOURNE FIR SEV TURB FCST WI S3410 E07500 - S3330 E07810 - S4300 E08130 - S4630 E07800 - S4440 E07500 FL210/360 STNR NC=