WSAU21 AMMC 051938

YMMM SIGMET G09 VALID 052000/060000 YMMC-

YMMM MELBOURNE FIR SEV TURB FCST WI S4020 E09230 - S5000 E09730 -

S5000 E09040 - S4600 E09100 - S3950 E08850 FL240/330 MOV E 20KT NC=