SACN31 CWAO 280500 METAR CYBG 280500Z 30018G24KT 1/4SM R11/P6000FT -SN +BLSN OVC012 M09/M11 A2911 RMK BLSN6SC2 DENSITY ALT -1467FT VIS VRB 1/8-3/8 PRESRR /S05/ SLP867=