000 FTUS41 KRLX 201700 RRA TAFCKB TAF KCKB 201741Z 2018/2118 24006KT P6SM BKN035 FM210000 00000KT P6SM SCT250 FM210800 17004KT P6SM BKN250 FM211200 21007KT P6SM VCSH SCT035=