000 FTUS41 KPBZ 161720 TAFZZV TAF KZZV 161720Z 1618/1718 12005KT P6SM BKN250 FM170600 15005KT P6SM OVC100 FM171100 18011KT 6SM -SHRA BR OVC060 FM171500 19012G20KT P6SM VCSH BKN030=