000 FTUS44 KLCH 171720 TAFAEX TAF KAEX 171720Z 1718/1818 060010KT P6SM VCSH OVC007 FM171900 03009KT P6SM OVC015 FM180100 02010G17KT P6SM BKN020 FM181200 36012G22KT P6SM OVC100=