000 FTUS41 KBUF 170531 TAFBUF TAF KBUF 170531Z 1706/1806 09007KT P6SM SCT250 FM171300 09009KT 6SM -SHRA BR OVC070 FM171600 10009KT 6SM -SHRA BR OVC040 FM171800 09010G16KT 5SM -SHRA BR OVC030 FM172100 10009KT 4SM -SHRA BR OVC020 FM180100 15010G17KT 4SM -SHRA BR OVC020 FM180400 21010G18KT 5SM BR VCSH BKN012=