000 FTUS41 KBOX 181721 TAFBDL TAF KBDL 181721Z 1818/1924 03007KT P6SM -SHRA OVC040 FM182100 03004KT P6SM BKN050 FM191500 12006KT P6SM BKN050 FM191700 15008KT P6SM BKN110=