FTCN22 CWAO 051100 AAC TAF AMD CYBK 051335Z 0513/0524 34012KT 6SM -SN OVC015 TEMPO 0513/0516 P6SM NSW OVC025 FM051600 35020G30KT P6SM -SN SCT020 BKN040 TEMPO 0516/0521 2 1/2SM -SN BLSN BKN020 OVC040 FM052100 34020KT P6SM BKN040 TEMPO 0521/0524 5SM -SN BLSN BKN020 BECMG 0522/0524 33015KT RMK NXT FCST BY 051800Z=