FTUS80 KWBC 051721 AAA TAF AMD KFST 051720Z 0517/0618 02014KT P6SM BKN015 TEMPO 0518/0522 3SM SHRA BR FM052300 34009KT P6SM BKN017 FM060900 31009KT P6SM SKC= KLVS 051719Z 0517/0612 01015G27KT P6SM OVC035 TEMPO 0517/0520 1SM -SN BR BKN015 FM052000 03011KT P6SM BKN025 FM060200 VRB06KT P6SM BKN050=