000 FTUS44 KTSA 161723 TAFXNA TAF KXNA 161723Z 1618/1718 21018G30KT P6SM BKN050 TEMPO 1618/1620 BKN025 FM170200 21011KT P6SM SCT250 WS020/25045KT FM170700 VRB05KT P6SM SCT250=