FTZA31 KWBC 150433 TAF TAF FACT 150400Z 1506/1612 24008KT 9999 SCT020 BKN040 TX21/1512Z TN11/1603Z FM151400 19010KT 9999 SCT040 FM151800 VRB02KT CAVOK= TAF FAGG 150400Z 1506/1606 30005KT 9999 SCT020 BKN040 TX20/1512Z TN13/1603Z FM150800 24010KT 9999 FEW015 BKN040 FM151800 VRB02KT 9999 SCT040=