WSAU21 AMMC 051553

YMMM SIGMET G08 VALID 051600/052000 YMMC-

YMMM MELBOURNE FIR SEV TURB FCST WI S3920 E09010 - S5000 E09620 -

S5000 E08930 - S4410 E08850 - S3820 E08600 FL240/330 MOV E 20KT NC=