WSAU21 AMMC 091644

YMMM SIGMET Z03 VALID 091720/092120 YMMC-

YMMM MELBOURNE FIR SEV ICE FCST WI S5000 E14300 - S3550 E12330 -

S3720 E13220 - S5000 E14940 10000FT/FL220 MOV E 30KT NC=