000 FTUS41 KBTV 211720 TAFPBG TAF KPBG 211720Z 2118/2218 25008G18KT P6SM BKN060 FM220000 22007KT P6SM FEW060 FM220500 29009G20KT P6SM VCSH SCT060 FM220700 33009G18KT P6SM SCT070=