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. 2023 Jul 3;120(28):e2219825120. doi: 10.1073/pnas.2219825120

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Copyright © 2023 the Author(s). Published by PNAS.

This article is distributed under Creative Commons Attribution-NonCommercial-NoDerivatives License 4.0 (CC BY-NC-ND).

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Fig. 4. — Impact of global and regional warming thresholds on high-end risk of CDHW events: (A–F) Bar plots show the difference between global and regional mean temperature anomalies at different global warming levels across (A) East North America, (B) East Africa, (C) Southeastern South America, (D) Central Asia, (E) Central Europe, and (F) North Australia. The boxplots indicate the return periods of CDHW events as a function of global (x axis) and regional temperature anomalies (shading) and sc-PDSI (drought magnitude; right y axis). The return periods are estimated for a 31-y window centered on the year when the global mean temperature anomaly permanently exceeds a particular warming threshold.