000 FTUS42 KFFC 161731 TAFATL TAF KATL 161731Z 1618/1724 19007KT P6SM SCT150 FM170100 19005KT P6SM BKN200 FM171400 21008KT P6SM BKN120 FM171600 22009KT P6SM FEW040 BKN250 FM172200 24007KT P6SM VCSH SCT050 OVC120=