FTAU31 KWBC 122018 TAF TAF AMD YBCG 122016Z 1221/1318 20008KT 9999 -SHRA SCT020 FM122300 18012KT 9999 NSW SCT030 FM130300 14017KT 9999 SCT035 FM130900 16011KT 9999 SCT022 FM131300 20006KT 9999 SCT018= TAF AMD YSCB 122016Z 1220/1318 09008KT 9999 FEW003 BKN009 BECMG 1221/1223 17005KT 9999 SCT015 FM130100 35006KT CAVOK FM131000 VRB03KT CAVOK PROB30 1220/1222 0300 FG BKN001=