000 FTUS41 KBUF 181231 AAA TAFIAG TAF AMD KIAG 181231Z 1813/1912 22008KT 3SM BR OVC004 FM181400 24010KT P6SM BKN015 FM181700 24012G20KT P6SM BKN015 FM182000 23010KT P6SM BKN035 FM190000 21008KT P6SM SCT100 FM190400 15004KT P6SM BKN100=