000 FTUS41 KPBZ 161720 TAFAGC TAF KAGC 161720Z 1618/1718 VRB04KT P6SM SCT250 FM170000 08005KT P6SM BKN250 FM170900 12006KT P6SM BKN100 FM171200 19008KT P6SM -SHRA OVC050=