Extreme Weather in Japan- Week 10

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 Japan has been experiencing an increase in extreme weather events, including typhoons, heatwaves, floods, and wildfires, which have had significant impacts on its population and economy.


Typhoons and Floods

Typhoons have historically been a major concern for Japan, bringing heavy rainfall and strong winds that often lead to severe flooding and landslides. In October 2019, Typhoon Hagibis struck Japan, resulting in widespread flooding, the deaths of at least 139 people, and economic losses estimated at ¥1.88 trillion (US$17.3 billion). Similarly, in July 2018, Japan faced devastating floods followed by unprecedented heatwaves, leading to over 300 fatalities and substantial economic damage.  rmets



Wildfires

Wildfires have also posed significant challenges. In March 2025, the city of Ofunato on Japan's northeast coast experienced the largest wildfire in decades. The fire damaged 84 homes, spread over 2,100 hectares, and forced more than 1,200 residents to evacuate. The unusually dry winter and strong winds contributed to the severity of the blaze.  theguardian.com


Heatwaves

In recent years, Japan has seen a significant increase in the frequency and intensity of heatwaves. These occur when high-pressure systems trap warm air over an area, leading to prolonged periods of extreme heat. During the summer of 2024, for example, Japan experienced record-breaking temperatures, with some areas like Sano in Tochigi Prefecture reaching 41°C (105.8°F). This resulted in over 37,000 hospitalizations and more than 120 deaths related to heatstroke and heat exhaustion.

                   

Passersby take a break under a cooling mist as the Japanese government issued a heatstroke alert in Tokyo and other prefectures in Tokyo, Japan, on July 9, 2024.

Impact on Agriculture

The agricultural sector has been notably affected by extreme weather. Aging rice farmers in regions like Kamimomi have struggled with unprecedented heat, leading to reduced crop yields and quality. The intense heat affects the buildup of starch in rice grains, resulting in a chalky appearance that diminishes their market value. ​apnews.com


Adaptation Measures

In response to these challenges, Japan has undertaken various adaptation measures. Tokyo has expanded its underground water management system, known as the "cathedral," to mitigate flooding from heavy rains. This complex network of tunnels and reservoirs has been instrumental in preventing severe flood damage in the metropolitan area. ​www.reuters.com 

Comments

  1. MAGDALENE RODRIGUEZApril 9, 2025 at 8:26 PM

    What a great blog! I enjoyed reading about Japan's extreme weather and like the way you broke it down into different categories. It makes it easier to read. My country is Singapore and like Japan, 2024 was recorded to be one of hottest years!

    ReplyDelete

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