WSAU21 AMMC 040618

YMMM SIGMET N04 VALID 040659/041059 YMMC-

YMMM MELBOURNE FIR SEV TURB FCST WI S5000 E09900 - S5000 E09600 -

S3800 E09200 - S3800 E09500 FL200/320 MOV ENE 40KT NC=