WSAU21 AMMC 120800

YMMM SIGMET D13 VALID 120900/121300 YMMC-

YMMM MELBOURNE FIR SEV TURB FCST WI S2750 E07730 - S3120 E08920 -

S2850 E10940 - S2950 E12240 - S3220 E12730 - S3550 E09220 - S3100

E07630 FL200/360 MOV E 35KT NC=