WSAU21 AMMC 122053

YMMM SIGMET F01 VALID 122053/130053 YMMC-

YMMM MELBOURNE FIR SEV TURB FCST WI S3730 E09600 - S3640 E09920 -

S5000 E11110 - S5000 E10630 FL120/220 MOV E 20KT INTSF=