000 FTAK31 PAFC 170520 TAFAIL TAF PAIL 170520Z 1706/1806 10018G30KT P6SM BKN040 FM170800 09024G34KT P6SM BKN050 FM171000 08026G40KT P6SM VCSH BKN060 FM171400 09035G45KT P6SM OVC050=