WSAU21 AMMC 130729

YMMM SIGMET I03 VALID 130734/131134 YMMC-

YMMM MELBOURNE FIR SEV TURB FCST WI S3600 E09430 - S4614 E09901 -

S4750 E09240 - S4340 E08840 - S3610 E09120 FL200/300 MOV E 20KT NC=