WSAU21 AMMC 071942

YMMM SIGMET Y18 VALID 072007/080007 YMMC-

YMMM MELBOURNE FIR SEV ICE FCST WI YBOM - YCWR - S2930 E15730 -

S2640 E15700 - S2930 E16200 - S3450 E16300 FL120/220 STNR NC=