WSAU21 AMMC 061912 YMMM SIGMET K04 VALID 062010/070010 YMMC- YMMM MELBOURNE FIR SEV TURB FCST WI S4050 E08510 - S4000 E09350 - S5000 E08440 - S5000 E07540 FL150/300 STNR NC=