What is it about?

Heatwaves are periods of extremely hot weather. They can harm human health, the environment, and the economy. Global warming has made heatwaves more frequent. There have been many studies that predict future heatwaves due to cli-mate change. But these studies do not account for how quickly heat waves will change as they develop. They also do not account for the impact of heatwaves on human health. In this study, the authors predict future trends in heat waves. They also define some heatwave 'metrics' to measure their impact. These include heatwave intensity, which affects human health, duration, frequency, and peak temperature. They found that by 2050, parts of central Africa, northern South America, and Southeast Asia will see prolonged heatwaves. These heatwaves might last as long as 44 days. Parts of western Europe, eastern North Amer-ica, and northern China are also at risk of extreme heatwaves.

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Why is it important?

Climate change and global warming are contributing to heat waves. This study shows that heatwaves will become longer and hotter in the future. This will make some places too hot to live in. It will also cause other problems like water shortages, melting roads, and crumbling buildings. The impact on human health will be catastrophic. Some regions will be more vulnerable to heatwaves in the future. Many of these regions have social and economic problems too. This will make it harder for them to adapt to changes in the climate. Predicting future heatwave patterns, temperatures, and intensity is essential. This knowledge can help us develop regional climate strategies. KEY TAKEaWAY: Heatwaves can have very bad effects on human health. Global warming will increase heatwaves in the future. Predicting when, where, and how heatwaves will occur will help us plan for the future.

Read the Original

This page is a summary of: Accelerated exacerbation of global extreme heatwaves under warming scenarios, International Journal of Climatology, February 2022, Wiley, DOI: 10.1002/joc.7541.
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