000 FTUS43 KMKX 201720 TAFMSN TAF KMSN 201720Z 2018/2118 30010G20KT P6SM BKN045 FM210100 30010KT P6SM SCT060 FM210400 29006KT P6SM FEW070 FM211600 29011G18KT P6SM FEW050=