TAF WSD 080858Z 0809/0909 (0822/0922NZDT) 29010G20KT 8000 -SN BR BLSN SCT015 BKN070 QNH2870INS ALL WINDS GRID BECMG 0817/0819 (0906/0908) 29010G20KT 4800 -SN BR BLSN FEW005 BKN015 QNH2864INS