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Scorching summers can now be predicted months earlier

A child cools off in a fountain as the heat index was expected to reach 115 degrees on July 19, 2019 in Chicago, Illinois.

A fountain provides refuge in Chicago, Illinois, on 19 July 2019, when the temperature reached 44°C. The odds of such extreme summer heat can now be forecast several months in advance. Credit: Scott Olson/Getty

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Nature 604, 221 (2022)



  1. Jia, L. et al. J. Climate (2022).

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