WSAU21 AMMC 081317

YMMM SIGMET P07 VALID 081319/081719 YMMC-

YMMM MELBOURNE FIR SEV TURB FCST WI S5000 E11700 - S5000 E09800 -

S2440 E08530 - S2330 E09450 FL120/420 MOV E 20KT NC=