000 FTUS43 KGRB 180155 AAA TAFGRB TAF AMD KGRB 180155Z 1802/1824 28012G20KT P6SM OVC020 FM180600 27011KT P6SM BKN020 FM181200 27010KT P6SM VCSH FEW020 BKN090 FM181500 26009KT P6SM -RA SCT020 OVC050 FM181800 25009KT P6SM -RA OVC017=