FTUS46 KSEW 150520 TAFSEA TAF KSEA 150520Z 1506/1612 18010G18KT 6SM -RA OVC020 FM150700 18010G20KT P6SM VCSH SCT025 OVC035 FM150900 15009KT P6SM BKN040 FM151500 21007KT P6SM VCSH SCT025 BKN035 FM151900 22010G18KT P6SM -SHRA SCT030 BKN040 FM152300 23009KT P6SM -RA SCT025 BKN035 FM160200 03006KT P6SM -RA SCT025 BKN035=