FTHA31 KWBC 151721 TAF TAF MTCH 151700Z 1518/1618 10006KT 9000 SCT026TCU PROB30 TEMPO 1523/1605 24010KT 4900 TSRA SCT014CB BKN040 FM160600 VRB02KT 7000 SCT020TCU BECMG 1612/1614 06010KT=