000 FTUS43 KLBF 221737 TAFVTN TAF KVTN 221737Z 2218/2318 34018G26KT P6SM FEW200 FM230000 32010KT P6SM FEW250 FM230700 29007KT P6SM BKN150 FM231400 32016G27KT P6SM FEW250=