318 FTUS45 KSLC 151120 TAFENV TAF KENV 151120Z 1512/1612 35011KT P6SM SCT120 FM151600 10007KT P6SM SCT250 FM160100 34010KT P6SM SCT250 FM160900 VRB04KT P6SM SKC AMD LTD TO CLD VIS AND WIND=