WSAU21 AMMC 090406

YMMM SIGMET A12 VALID 090445/090845 YMMC-

YMMM MELBOURNE FIR SEV TURB FCST WI S3750 E07500 - S3240 E07500 -

S3810 E09030 - S2720 E10240 - S2900 E10630 - S4140 E09640 - S4210

E08640 FL200/360 STNR INTSF=