FTCA31 KWBC 150539 TAF TAF COR MUCU 150512Z 1506/1606 02012KT 9000 SCT020 BECMG 1514/1515 VRB04KT TEMPO 1520/1524 5000 SHRA RA SCT018TCU BKN020 BECMG 1601/1602 01005KT=