Why Extreme Heat Is So Deadly

Why Extreme Heat Is So Deadly

July 2022 became one of the planet's top three hottest Julys amid a summer of record-shattering heat for the Northern Hemisphere. As we describe in our roundup, heat can be deadly. Make sure that you take extra precautions to stay cool.

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Why Extreme Heat Is So Deadly Heat waves kill more people than any other type of severe weather in the U.S. And climate change is making them more frequent and unpredictable.

Risk of Dangerous Heat Exposure Is Growing Quickly in Cities Population growth, climate change and the urban heat island effect are combining to put more people at risk.

Heat and Humidity Are Already Reaching the Limits of Human Tolerance Events with extreme temperatures and humidity are occurring twice as often now as they were 40 years ago.

What Is a Heat Dome? An atmospheric scientist explains how large, persistent bends in the jet stream can bake a region for days.

How Does a Heat Wave Affect the Human Body? Some might like it hot, but extreme heat can overpower the human body. An expert from the CDC explains how heat kills and why fans are worthless in the face of truly high temperatures.

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