TAF AMD NZSP 021816Z 0218/0315 (0307/0404NZDT) 05014KT 1600 -SG BLSN OVC020 QNH2840INS ALL WINDS GRID TEMPO 0218/0224 (0307/0313) 04016KT 6000 IC BLSN SCT010 BKN030