TAF KCWA 171121Z 1712/1812 17013G23KT P6SM BKN250 
  FM172200 21013G23KT 3SM TSRA OVC027CB 
  TEMPO 1722/1802 6SM -SHRA BKN045 
  FM180600 31013G22KT P6SM BKN015 
  FM180900 30013G23KT 6SM -SHRA BKN035