000 FTUS41 KRNK 231720 TAFLWB TAF KLWB 231720Z 2318/2418 23008G16KT P6SM SCT250 FM240300 25005KT P6SM SCT100 OVC250 FM240800 28007KT P6SM -SHRA OVC020 FM241400 27009G17KT P6SM OVC050=