Immigration Policy
New Disaster Weather Alert System
August 4, 2026
Starting May 2026, the Japan Meteorological Agency will issue disaster weather alerts using a new warning level system. At 'Level 4', everyone must evacuate from dangerous areas.
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.
This information is reference material based on official announcements. Always verify accurate information on official websites or with relevant authorities.