Heavy snowfall continued Wednesday along the Sea of Japan coast as the season's strongest cold front disrupted rail services in central Japan and air traffic, with the weather agency warning of more snow toward the weekend.All Nippon Airways and Japan Airlines canceled some of their flights due to the bad weather, including those between Tokyo and Tottori Prefecture in western Japan and between Shimane Prefecture, also in western Japan, and the Oki Islands in the Sea of Japan.In central Japan, some local train services through Ishikawa, Gifu and nearby prefectures were canceled, including a…READ FULL ARTICLE