WSAU21 AMMC 081609

YMMM SIGMET A09 VALID 081645/082045 YMMC-

YMMM MELBOURNE FIR SEV TURB FCST WI S4136 E07853 - S3931 E08751 -

S2756 E09923 - S2925 E10044 - S4320 E09040 - S4356 E07835 FL200/380

MOV E 15KT INTSF=