TAF KCAK 180543Z 1806/1906 27009KT P6SM OVC050 
  TEMPO 1806/1807 1 1/2SM -SHSN 
  FM180800 24010KT P6SM FEW250 
  FM181700 24010KT P6SM BKN050 
  FM190400 21007KT P6SM OVC025