WSAU21 AMMC 131834

YMMM SIGMET I06 VALID 131934/132334 YMMC-

YMMM MELBOURNE FIR SEV TURB FCST WI S4320 E09840 - S4630 E09650 -

S5000 E09900 - S5000 E09640 - S4650 E09450 - S4430 E09540 FL180/270

MOV E 15KT WKN=