000 FTUS41 KLWX 160857 AAA TAFIAD TAF AMD KIAD 160857Z 1609/1712 33007KT P6SM FEW040 FM161900 26006KT P6SM SKC FM162300 19006KT P6SM FEW250 FM170500 21007KT P6SM SCT110 BKN200=