474 FTUS46 KMFR 201739 TAFRBG TAF KRBG 201739Z 2018/2118 00000KT P6SM SKC FM202300 34007KT P6SM BKN100 FM210400 VRB03KT P6SM BKN080 FM211400 00000KT P6SM VCSH BKN030 OVC050=