New Disaster Weather Alert System
According to the Japan Meteorological Agency's announcement, starting May 2026, disaster weather information will be issued using a new five-level warning system. This system is designed to aid foreigners residing in Japan in taking appropriate evacuation actions depending on the risk levels of various disasters, including river flooding, heavy rain, landslides, and storm surges. At 'Level 4', everyone is required to promptly evacuate from dangerous locations. For detailed information and guidance, please refer to the official websites and information provided by local municipalities.
Source
政府広報オンライン(内閣府)
This information is reference material based on official announcements. Always verify accurate information on official websites or with relevant authorities.