779 FTUS43 KBIS 170521 TAFMOT TAF KMOT 170521Z 1706/1806 31012G20KT P6SM OVC012 FM170900 31007KT P6SM OVC009 FM171300 23005KT P6SM BKN007 FM171700 22006KT P6SM SCT120 FM172000 19007KT P6SM OVC180 FM180500 25005KT P6SM BKN045=