WSAU21 AMMC 081647

YMMM SIGMET P08 VALID 081719/082119 YMMC-

YMMM MELBOURNE FIR SEV TURB FCST WI S4530 E11400 - S5000 E10830 -

S5000 E10140 - S4230 E09740 - S2550 E08230 - S2220 E08820 FL120/420

MOV E 20KT NC=