TAF KNCA 0815/0915 VRB06KT 9999 FEW020 FEW080 522409 523307 QNH3001INS FM081800 VRB06KT 9999 SCT025 522409 523307 QNH2997INS BECMG 0821/0823 VRB06KT 9999 SCT035 SCT100 500000 QNH2998INS FM090300 VRB06KT 9999 FEW250 QNH3005INS T26/0818Z T16/0909Z