000 FTUS41 KBGM 201734 TAFBGM TAF KBGM 201734Z 2018/2118 29015G25KT P6SM VCSH OVC050 FM202300 31010G18KT P6SM BKN050 FM210200 29007KT P6SM SCT250 FM211400 28010G18KT P6SM BKN060=