WSAU21 AMMC 010742

YMMM SIGMET B03 VALID 010840/011240 YMMC-

YMMM MELBOURNE FIR SEV TURB FCST WI S5000 E08400 - S3800 E09700 -

S4000 E10300 - S5000 E09200 FL210/350 STNR NC=