Japan will implement a 'special heatstroke warning alert' this summer. The alert triggers on a prefectural level when the heat index is forecast to exceed 35°C.

Japan is introducing a new heatstroke alert system to protect residents and visitors during the hottest months. This 'special heatstroke warning alert' will be issued on a prefectural level. It will be activated when the heat index is predicted to surpass 35 degrees Celsius at most observation points the following day.

For travelers, this means being extra cautious during the summer. If a special alert is issued for your location, take immediate steps to avoid heatstroke. Stay hydrated, seek shade, and avoid strenuous activities during peak heat hours.

Pay close attention to local weather forecasts and heed any warnings issued by authorities. This new system aims to provide timely information, allowing you to adjust your plans and stay safe during your trip.