000 FTUS43 KGRB 181743 TAFGRB TAF KGRB 181743Z 1818/1918 32011KT P6SM OVC035 FM182300 31010KT P6SM SCT035 FM190200 25009KT P6SM -SHSN BKN080 FM190900 25012G19KT P6SM BKN070 FM191500 27012G20KT P6SM BKN100=