505 FTUS43 KOAX 201720 TAFOMA TAF KOMA 201720Z 2018/2118 15017G27KT P6SM OVC100 FM202000 15016G26KT P6SM VCSH BKN100 TEMPO 2100/2103 4SM -TSRA OVC040CB FM210300 18011KT P6SM BKN100 FM211600 29019G28KT P6SM BKN030=