FTAU31 KWBC 051257 TAF TAF AMD YBTL 051256Z 0512/0612 15008KT 9999 SCT017 BKN022 FM060200 11014KT 9999 SCT025 FM060900 14012KT 9999 FEW017 SCT020 INTER 0512/0518 10016KT 3000 SHRA BKN020 SCT025TCU TEMPO 0512/0520 9999 BKN015 INTER 0602/0610 3000 SHRA BKN020 SCT025TCU PROB30 INTER 0604/0609 VRB15G25KT 2000 TSRA SCT017 BKN025 SCT025CB=