800 FTUS43 KLBF 051120 TAFVTN TAF KVTN 051120Z 0512/0612 18012KT P6SM SCT250 FM051800 21010KT P6SM BKN200 FM052200 29010KT P6SM BKN150 FM052300 31011KT P6SM VCSH BKN090 FM060600 32015KT P6SM BKN029 FM061000 32015KT P6SM BKN018=