WSAU21 AMMC 081731

YMMM SIGMET I07 VALID 081904/082304 YMMC-

YMMM MELBOURNE FIR SEV TURB FCST WI S4200 E09200 - S5000 E09900 -

S5000 E09700 - S4200 E09000 10000FT/FL220 MOV E 35KT WKN=