FTSA41 KWBC 051148 TAF SEMT 051055Z 0512/0612 25004KT 9999 BKN016 BKN080 BECMG 0515/0517 16008KT BECMG 0520/0522 22010KT SCT020 BKN100 TX31/0520Z TN25/0610Z=