000 FTUS43 KABR 171720 TAFATY TAF KATY 171720Z 1718/1818 32017G27KT P6SM BKN020 FM172300 29013G21KT P6SM SCT027 BKN090 FM180200 27008KT P6SM BKN170 FM181300 28014G23KT P6SM FEW250=