000 FTUS43 KLBF 211720 TAFVTN TAF KVTN 211720Z 2118/2218 19006KT P6SM SKC FM212100 21013KT P6SM SKC FM220900 21018KT P6SM FEW250 FM221400 30017G27KT P6SM SCT250 FM221500 33020G29KT P6SM SCT250=