000 FTUS46 KSEW 170520 TAFSEA TAF KSEA 170520Z 1706/1812 35005KT P6SM FEW050 FM170800 14005KT P6SM SKC FM171600 34006KT P6SM FEW250 FM172100 35012G18KT P6SM SCT250 FM180300 02010KT P6SM SKC=