FTID31 KWBC 191221
TAF
TAF AMD WIII 191220Z 1912/2018 31010KT 7000 SCT020
      TEMPO 1913/1917 25010KT 3000 TSRA FEW018CB BKN019
      BECMG 1917/1919 VRB02KT 5000 HZ
      BECMG 1923/2001 32011KT 8000 NSW=