WSAU21 AMMC 122334

YMMM SIGMET I01 VALID 122334/130334 YMMC-

YMMM MELBOURNE FIR SEV TURB FCST WI S3610 E09030 - S4620 E09510 -

S4730 E09030 - S4320 E08540 - S3610 E08730 FL220/300 MOV E 20KT NC=