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July 26, 2014

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New study warns of even hotter summers in Las Vegas, across U.S.

Image

Steve Marcus

A woman uses an umbrella for shade as she walks along the Las Vegas Strip Sunday, June 9, 2013.

Interactive map

Scroll to the bottom of this story for an interactive map that shows how temperatures for 1,001 American cities would change according to the analysis conducted by Climate Central.

Think summers in Las Vegas are sweltering now? By the end of the century, they’ll be more like those now experienced in the Arabian Desert if greenhouse gas emissions remain the same, according to a new study.

Average summer daytime temperatures here will soar to 111 degrees, which is what summers are like now in Riyadh, Saudi Arabia, according to Climate Central, a Princeton, N.J.-based research and journalism organization.

Climate Central last week released “1,001 Blistering Future Summers,” an analysis that predicts dramatically warmer summer temperatures by 2100 if current emissions trends continue unabated.

“Summers in most of the U.S. are already warmer than they were in the 1970s,” Climate Central said on its website. “And climate models tell us that summers are going to keep getting hotter as greenhouse gas emissions continue."

How hot?

On average across the United States, temperatures will be 7 to 10 degrees warmer by 2100.

“By the end of the century, assuming the current emissions trends, Boston’s average summer high temperatures will be more than 10°F hotter than they are now, making it feel as balmy as North Miami Beach is today. Summers in Helena, Mont., will warm by nearly 12°F, making it feel like Riverside, Calif.,” according to the study.

A summer’s day in Reno, which now sits at an average of 87, would soar to 99, the same as the average now in Tucson, Ariz.

In Phoenix, temperatures would average 114 degrees – akin to Kuwait City’s current summer.

Even San Diego, where the summertime average is now a hospitable 78 degrees, would warm by 6 degrees to 84, the analysis predicts.

“Summer temperatures in most American cities are going to feel like summers now in Texas and Florida — very, very hot,” said Alyson Kenward, lead researcher of the analysis.

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