FTUS44 KLZK 170520 TAFPBF TAF KPBF 170520Z 1706/1806 VRB06KT P6SM SCT040 SCT250 FM171300 20008G16KT P6SM BKN250 FM171700 19014G24KT P6SM SCT040 BKN100 OVC250 FM180200 18008G16KT P6SM BKN250=