000 FTUS42 KCHS 180538 TAFSAV TAF KSAV 180538Z 1806/1906 19004KT P6SM BKN250 FM181200 25007KT P6SM SCT120 BKN200 FM182100 20009KT P6SM SCT070 FM190000 20004KT P6SM FEW050 SCT200=