Climate Change

What have been the most extreme heatwaves in history?

Extreme heatwaves affect human health, animal health, ecosystems and food security.

Extreme heatwaves affect human health, animal health, ecosystems and food security. Image: Unsplash/Pawel Czerwinski

Dr Vikki Thompson
Senior Scientist in the Climate Dynamics Group, University of Bristol
Prof Dann Mitchell
Professor of Climate Science and Head of the Climate Dynamics Group, University of Bristol
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Map showing the magnitude of the most extreme heatwaves since 1950 in each region, expressed in standard deviations from the average with climate change trend removed.
A large number of the most extreme heatwaves appear in the northern hemisphere Image: CarbonBrief/Thompson et al (2022)
Table of the most extreme heatwaves globally
Some of the world's most extreme heatwaves happened in the USA Image: CarbonBrief/Thompson et al (2022)
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Related topics:
Climate ChangeClimate and NatureGlobal Health
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