WSAU21 AMMC 131521

YMMM SIGMET I05 VALID 131534/131934 YMMC-

YMMM MELBOURNE FIR SEV TURB FCST WI S4140 E09720 - S4630 E09610 -

S5000 E09900 - S5000 E09650 - S4630 E09400 - S4300 E09450 FL180/300

MOV E 15KT NC=