WSAU21 AMMC 081504

YMMM SIGMET I06 VALID 081504/081904 YMMC-

YMMM MELBOURNE FIR SEV TURB FCST WI S4200 E09000 - S5000 E09600 -

S5000 E09100 - S4000 E08500 - S4000 E08700 10000FT/FL220 MOV E 35KT

NC=