TAF AMD SDM 081802Z 0818/0915 (0907/1004NZDT) 25012KT 4800 -SN BR SCT010 BKN030 620302 QNH2920INS ALL WINDS GRID BECMG 0912/0914 (1001/1003) 25006KT 9999 NSW SCT010 SCT030 QNH2929INS