强降雨导致日本东北部发生洪水和山体滑坡，迫使日本发布暴雨警告并采取安全措施。 Heavy rain causes flooding and landslides in northeastern Japan, prompting downpour warnings and safety action.

暴雨袭击日本东北部，引发河流洪水和山体滑坡。 Heavy rain hit northeastern Japan, causing river flooding and landslides. 日本气象厅对山形县两个市町村发布了最高级别的暴雨警告，呼吁居民立即采取措施，确保安全。 The Japan Meteorological Agency issued downpour warnings at the highest level for two municipalities in Yamagata Prefecture, prompting residents to take immediate action for their safety. 该机构预计不稳定的天气状况将持续到周五。 The agency expects unstable weather conditions to continue through Friday. 在邻近的秋田县，一条河流决堤，淹没了房屋，一处道路施工现场发生山体滑坡，一人失踪。 In neighboring Akita Prefecture, a river burst its banks, flooding houses, and one person went missing after a landslide at a roadwork site.