000 FTUS45 KRIW 181721 TAFRIW TAF KRIW 181721Z 1818/1918 VRB06KT P6SM SCT030 BKN040 FM181900 08008KT P6SM SCT040 BKN050 FM190100 06007KT P6SM FEW050 BKN080 FM191500 04009KT P6SM FEW060 SCT080=