WSAU21 AMMC 041408

YMMM SIGMET N06 VALID 041459/041859 YMMC-

YMMM MELBOURNE FIR SEV TURB FCST WI S4430 E10320 - S5000 E10410 -

S5000 E10110 - S4130 E09730 - S3700 E09650 - S3810 E09850 FL200/280

MOV E 25KT NC=