WSAU21 AMMC 151939

YMMM SIGMET N01 VALID 151955/152355 YMMC-

YMMM MELBOURNE FIR SEV TURB FCST WI S4340 E07740 - S5000 E08040 -

S5000 E07700 - S4350 E07520 FL200/300 MOV E 40KT INTSF=