618 UAFJ01 NFFN 171400 NIL  884 UBUS35 KWBC 171415 PIRUS DEN UUA /OV DEN180020/TM 1406/FL120/TP E55P/TB MOD OCNL SEV/RM 120-100=  447 UBUS35 KWBC 171420 PIRUS HLN UUA /OV HLN 180022/TM 1412/FL105/TP C206/TB SEV 085-105=  517 UAJP71 RJFF 171431 PIREP MOD TURB OBSD AT 1431 48NM SE OF MADOG F370 REPORTED BY A21N