KSEA 211120Z 2112/2218 04008KT P6SM VCSH SCT080 BKN150 
  FM211600 12010KT P6SM -RA OVC040 
  FM212100 18012G18KT P6SM -SHRA OVC030 
  FM220400 16006KT P6SM OVC040 
  FM221200 13006KT P6SM -SHRA BKN050