UAUS31 KWBC 211930 ARP UAL487 4155N 10753W 1921 F310 MS45 274/051KT TB NONE SK CLEAR IC NONE RM B738 OV CKW291017 SMOOTH= ARP UAL2050 3313N 11236W 1925 F350 MS46 270/077KT TB LIGHT SK CLEAR IC NONE=