WSAU21 AMMC 091421

YMMM SIGMET J03 VALID 091500/091900 YMMC-

YMMM MELBOURNE FIR EMBD TS OBS WI S0500 E08000 - S0710 E08110 -

S0940 E07750 - S0700 E07610 TOP FL500 STNR NC=