000 FTUS46 KSEW 280520 TAFSEA TAF KSEA 280520Z 2806/2912 15009KT P6SM FEW050 SCT070 FM280900 16007KT P6SM VCSH OVC040 FM281000 13005KT P6SM -SHRA OVC050 FM281700 17008KT P6SM -RA OVC050 FM290000 19010KT P6SM -SHRA OVC050=