The operation of "New Disaster Prevention Weather Information" will begin on Friday, May 29, 2026.
According to the Japan Meteorological Agency, the operation of the "New Disaster Prevention Weather Information" will begin on Friday, May 29, 2026.
The new disaster prevention weather information will organize four types of disasters—river flooding, heavy rain, landslides, and storm surges—into five levels of alert (1 to 5) and standardize the names to clarify the criteria for evacuation decisions.
Regarding the timing of the switch, the Japan Meteorological Agency will carry out the transition work starting at 1 PM on Thursday, May 28, the day before the operation begins. If any issues arise, they will revert to the previous specifications and conduct the transition work at a later date. The services provided by Sysmet Co., Ltd. will also respond to the new disaster prevention weather information, but depending on the progress of the Japan Meteorological Agency's system transition, there may be a possibility of delays in updating our services.
This article will explain how the new disaster prevention weather information will change.
1. Current issues with disaster prevention weather information
2. How the new disaster prevention weather information will change
3. Timing of the switch
4. Are you able to share information about disaster prevention weather information?
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