WSAU21 AMMC 080819 YMMM SIGMET P06 VALID 080919/081319 YMMC- YMMM MELBOURNE FIR SEV TURB FCST WI S5000 E11500 - S5000 E09600 - S2700 E08700 - S2330 E09330 FL120/420 MOV E 20KT NC=