WSAU21 AMMC 131411

YMMM SIGMET C04 VALID 131504/131904 YMMC-

YMMM MELBOURNE FIR SEV TURB FCST WI S5000 E11700 - S4400 E12400 -

S4500 E12700 - S5000 E12200 FL210/310 MOV E 50KT NC=