Tag : Heatwaves

    India's April Heatwaves Were '30 Times More Likely' Due Of Climate Change: Scientists

    India's April Heatwaves
    Inam Ansari
    May17/ 2023

    New Delhi: Human-caused climate change made April's record-breaking humid heatwave in India, Bangladesh, Laos, and Thailand at least 30 times more likely, a rapid attribution analysis by an international team of leading climate scientists as part of the World Weather Attribution group said on Wednesday. The study also concludes that the high vulnerability in the region, which is one of the world's heatwave hotpots, amplified the impacts. In April, parts of south and southeast Asia experienced an intense heatwave, with record-breaking temperatures that passed 42 degrees Celsius in Laos and 45 degrees in Thailand. The heat caused widespread hospitalisations, damaged roads, sparked fires and led to school closures. The number of deaths remains unknown. Across the world, climate change has made heatwaves more common, longer, and hotter. To quantify the effect of climate change on the Asian heatwave, scientists analysed weather data and computer model simulations to compare the climate as it is today, after about 1.2 degrees of global warming since the late 1800s, with the climate of the past, following peer-reviewed methods. The analysis looked at the average maximum temperature and maximum values of a heat index for four consecutive days in April across two regions, one covering south and east India and Bangladesh, and a second one including all of Thailand and Laos. The heat index is a measure that combines temperature and humidity and reflects more accurately the impacts of heatwaves on the human body. In both regions, the researchers found that climate change made the humid heatwave at least 30 times more likely, with temperatures at least 2 degrees hotter than they would have been without climate change. Until overall greenhous ...

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