WSAU21 AMMC 021837 YMMM SIGMET K01 VALID 021915/022315 YMMC- YMMM MELBOURNE FIR SEV TURB FCST WI S4500 E09530 - S4640 E09340 - S4340 E08820 - S3640 E08440 - S3620 E08650 - S4200 E09110 FL160/250 STNR INTSF=