000 FTUS41 KBUF 170531 TAFIAG TAF KIAG 170531Z 1706/1806 09007KT P6SM SCT250 FM171400 09010G19KT 6SM -SHRA BR OVC060 FM171700 09012G19KT 5SM -SHRA BR OVC035 FM172000 10012G19KT 4SM -SHRA BR OVC020 FM180200 15009KT 3SM -SHRA BR OVC015 FM180400 19009KT 4SM BR VCSH BKN012=