FTUS80 KWBC 120251 CCA TAF COR KSEA 120248Z 1203/1306 27003KT P6SM -SHRA SCT015 BKN040 OVC060 FM120500 16004KT 5SM BR VCSH OVC030 FM120800 16003KT 5SM BR VCSH OVC009 FM122000 20010KT P6SM SCT010 BKN025=