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Environment

Hurricanes aren't cooling off future storms as much as they once did

The trails of cold water hurricanes leave in their wake are warming up faster, giving an energy boost to storms that follow

By James Dinneen

30 May 2025

New Scientist. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

Hurricane Florence seen from the International Space Station in September 2018

NASA/ZUMA Wire/Shutterstock

During a hurricane, powerful winds churn and fan the ocean, leaving behind a swath of cold water that can last for weeks and weaken subsequent storms. But in parts of the ocean, these cold wakes aren’t lasting as long as they once did.

“This shortening of cold wake recovery time can give a second boost to hurricane intensity” along with background warming due to climate change, says Shuai Wang at the University of Delaware.

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