WSAU21 AMMC 160551

YMMM SIGMET A08 VALID 160646/161046 YMMC-

YMMM MELBOURNE FIR SEV ICE FCST WI S4830 E16010 - S4600 E16010 -

S4510 E16300 - S4910 E16300 FL120/220 MOV S 20KT NC=