000 FTUS41 KBUF 181120 TAFIAG TAF KIAG 181120Z 1812/1912 26014G22KT P6SM BKN050 FM181500 26014G22KT P6SM BKN035 FM181800 27014G22KT 4SM -SHSN OVC025 FM182000 29014G22KT P6SM VCSH OVC025 FM190000 29012KT P6SM OVC035=