WSAU21 AMMC 161823

YMMM SIGMET T01 VALID 161841/162241 YMMC-

YMMM MELBOURNE FIR EMBD TS OBS WI S1700 E08100 - S1900 E08300 -

S2000 E08100 - S1750 E07950 TOP FL550 STNR NC=