000 FTUS43 KGRB 171950 AAA TAFGRB TAF AMD KGRB 171950Z 1720/1818 31015G22KT P6SM OVC045 FM180400 33010G15KT P6SM BKN060 FM181400 34011KT P6SM BKN045 FM181700 32010G15KT P6SM SCT060=