279 FTUS41 KRLX 121721 TAFPKB TAF KPKB 121721Z 1218/1318 08005KT P6SM OVC008 FM130000 00000KT P6SM OVC007 FM130200 00000KT P6SM OVC005 FM131300 25005KT P6SM BKN007 FM131600 25007KT P6SM BKN011=