FTUS42 KGSP 150520 TAFAVL TAF KAVL 150520Z 1506/1606 VRB02KT P6SM SCT250 FM151300 35006KT P6SM FEW250 FM151700 23004KT P6SM SCT250 FM152000 19008KT P6SM SCT250 FM160200 17004KT P6SM FEW250=