000 FTUS45 KMSO 181720 TAFBTM TAF KBTM 181720Z 1818/1918 VRB03KT P6SM SKC FM182100 31007KT P6SM VCSH BKN050 OVC080 FM190300 03010KT P6SM OVC050 FM190400 36010KT P6SM OVC050=