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This US region’s potential for harsh triple-digit heat index by 2053

The heat index is going up as global warming increases. Many Americans are expected to see at least one day of high temperatures with the heat index of 125 degrees Fahrenheit in the next few decades.



An “severe heat belt” that would plague sections of the Midwest over the following three decades could put millions of Americans at risk, according to a new assessment from the nonprofit research organization First Street Foundation.

According to the report, which was released on Monday, the heat index, or what it feels like to be outside, is predicted to surpass 125 degrees Fahrenheit at least once per year in 1,023 counties by 2053, an area that is home to more than 107 million Americans and makes up a quarter of the land in the United States.

These high temperatures, which the National Weather Service has deemed to be extremely dangerous, are predicted to have an impact on 8 million Americans this year and climb 13 times over the course of the next 30 years, according to a study by the First Street Foundation.

According to the research, the “severe heat belt” stretches from Texas’ northern border and Louisiana up to Iowa, Indiana, and Illinois.

The survey revealed that those living in locations that are not accustomed to extreme heat are likely to suffer while other sections of the country experience harsher temperatures.


Researchers stated in the article that despite Texas having a far higher absolute temperature increase, “this reality shows that a 10% increase in temperature in Maine can be as harmful as a 10% increase in Texas.”

The researchers highlighted shifting environmental conditions as the cause of the rising temperatures and increasing humidity.

According to Matthew Eby, president and CEO of the First Street Foundation, “when everyone thinks of this extreme summer we [are] having, this is certainly one of the best summers over the next 30 years.” “Things are about to get lot worse.”

Extreme heat can have a negative impact on one’s health, ranging from weariness to potentially fatal conditions like heat stroke.

According to scientists, extended heat waves caused by climate change are most common when they occur simultaneously in several nations, as they did last month in areas of the continental U.S. and Europe.


Extreme heat is a “fundamental consequence of climate change,” according to Jason Smerdon, a climate scientist at the Lamont-Doherty Earth Observatory of the Columbia Climate School in New York.

While each heat wave is unique and has its own dynamics, Smerdon claimed that the likelihood of these catastrophes is a direct result of the planet’s warming.

The First Street Foundation, a nonprofit research and technology organization with headquarters in Brooklyn, New York, quantifies climate hazards.

Julia Jacobo from ABC News contributed to this story.