Key Takeaways
- Japan recorded its first official 'cruelly hot day' with temperatures reaching 40 degrees Celsius.
- The term 'kokushobi' was introduced in April to warn the public about extreme heat dangers.
- Central Japan cities of Gujo, Tajimi, and Toyota hit 40C or higher, setting all-time highs.
Japan has experienced its first official 'cruelly hot day,' with temperatures soaring to 40 degrees Celsius in several central cities. The term 'kokushobi' was introduced by the Japan Meteorological Agency (JMA) earlier this year to warn of days when heat becomes a significant health hazard, as such conditions were once rare but are now becoming more frequent.
On Tuesday, three cities—Gujo and Tajimi in Gifu prefecture, and Toyota in Aichi prefecture—hit the 40C mark. Gujo recorded its highest temperature ever at 40C, while Toyota reached a record-breaking 40.1C. These readings marked the first time such extreme temperatures were officially categorized as 'cruelly hot days' under the new JMA guidelines.
The introduction of this term reflects Japan's growing concern over heatwaves and their potential impact on public health. The JMA advises workers to take precautions, including wearing lighter clothing like shorts to cope with the stifling conditions. Employers are encouraged to implement flexible working hours or allow employees to work from home during such days.
The frequency of these 'cruelly hot days' is a stark reminder of climate change's increasing influence on weather patterns in Japan. As temperatures continue to rise, public health officials and urban planners will need to adapt to ensure the safety and well-being of residents. The JMA has warned that more such days are likely as global warming intensifies.
The term 'kokushobi' is designed to alert citizens about the dangers of extreme heat, which can lead to heatstroke and other health issues. Public awareness campaigns have been launched to educate people on how to stay safe during these conditions. The JMA recommends staying indoors during peak hours, drinking plenty of water, and avoiding strenuous activities outdoors.
While Japan has historically experienced hot summers, the increasing frequency of days with temperatures reaching 40C is a significant shift in weather patterns. This development highlights the need for robust heatwave preparedness plans across various sectors, including healthcare, transportation, and industry. The government is expected to review its policies on workplace safety and public health measures in response to these changing conditions.
Experts predict that such extreme temperatures will become more common as climate change continues to affect Japan's weather patterns. Urban areas are particularly vulnerable due to the urban heat island effect, where concrete and asphalt absorb and retain heat, exacerbating the temperature rise.
