WSAU21 AMMC 010652

YMMM SIGMET W03 VALID 010721/011121 YMMC-

YMMM MELBOURNE FIR EMBD TS OBS WI S1020 E08200 - S0730 E07840 -

S0430 E08220 - S0620 E08630 TOP FL500 STNR NC=