000 FTUS41 KCTP 171739 TAFUNV TAF KUNV 171739Z 1718/1818 13008KT P6SM BKN070 OVC100 FM172200 17005KT 6SM -SHRA BR BKN050 FM180100 21008KT 4SM -SHRA BR OVC015 FM180900 25005KT 4SM BR VCSH OVC025 FM181700 26006KT P6SM OVC040=