WSAU21 AMMC 120359

YMMM SIGMET W03 VALID 120430/120830 YMMC-

YMMM MELBOURNE FIR SEV TURB FCST WI S2800 E10310 - S3100 E10440 -

S2540 E07510 - S2200 E07510 FL270/360 MOV E 25KT NC=