000 FTUS41 KRLX 181720 TAFCKB TAF KCKB 181720Z 1818/1918 29006KT P6SM FEW150 FM182300 VRB03KT P6SM SKC FM191100 17004KT P6SM BKN100 WS020/19035KT FM191500 21007KT P6SM -SHRA OVC021=