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The temperature at Death Valley National Park hit a scorching 130 degrees on Sunday, marking what could be the hottest temperature on Earth since at least 1913, the National Weather Service says. Any visitors to the park are getting blunt advice: "Travel prepared to survive."

The 130 degrees recorded at the Furnace Creek Visitor Center is the hottest August temperature ever recorded at the national park, which sits along California and Nevada's border. Weather experts say it could also be the world's modern-era high, because Death Valley's 1913 record of 134 degrees has been disputed as unreliable. 

Sunday’s incendiary temperature reading was not taken by a human (phew!), but by an automated observation system. The preliminary reading is now in the process of being officially verified.

"As this is an extreme temperature event, the recorded temperature will need to undergo a formal review," the 

National Weather Service office in Las Vegas

Parts of Death Valley National Park remain open to visitors and campers. But the park service advises anyone who wants to go on a hike to complete their trip by midmorning, because of the intense heat.

"Drink plenty of water and carry extra. Avoid hiking (after 10 am). Travel prepared to survive," 

In addition to the National Weather Service, the 

 says it will also verify Sunday's temperature in Death Valley.

Many experts are referring to Sunday's eye-catching high as being the hottest "reliably recorded" temperature, reflecting widespread doubts about the validity of the 1913 record of 134 degrees.

The 1913 mark has been most prominently questioned by meteorologist Christopher Burt, who for years served as the weather historian of the website Weather Underground. 

"I look back at that record with a little bit of skepticism," 

 in 2016. He noted that when Death Valley set the record in 1913, it wasn't during a regional heat wave. Adding to his doubts: The same facility also recorded two other 130-plus temperatures that same July.

, he and a colleague "conclude with certainty that the actual hottest temperature ever reliably measured on Earth is 54°C (129.2°F), shared by Death Valley on June 30, 2013 and Mitribah, Kuwait on July 21, 2016."

Much of the western U.S. is currently enduring an intense heat wave, straining electrical grids and raising wildfire concerns. On Friday, California's electricity providers instituted their 

"A persistent, record-breaking heat wave in California and the western states is causing a strain on supplies," the agency that manages California's electrical grid said on Sunday as it warned residents to plan for potential outages.

The California Independent System Operator issued a Flex Alert, calling on electrical customers to voluntarily reduce their electricity consumption from 3 p.m. to 10 p.m., starting Sunday and running through at least Wednesday. 

Forecasters believe temperatures should start to dip by the tail end of the week. But they also warn that the current spell of broiling temperatures could be as harmful as the deadly heat wave that struck the U.S. in 2006.

"I think this heat wave is likely to rival the July 2006 event when all is said and done," climate scientist 

 of UCLA's Institute of the Environment and Sustainability says via email.

County coroners in Southern California reported more than 120 heat-related deaths during that event. 

 later said the actual number was likely two to three times higher.

Heat waves and extreme heat events are expected to become more frequent and intense as the Earth's climate warms.

Average annual temperatures have already risen by more than 1 degree Fahrenheit over the contiguous U.S., according to the 

 that was published by the federal government in 2018. Extreme temperatures are expected to change even more dramatically than the average, with highs getting higher and extreme lows becoming far more rare.  

Weather and Climate News

Environmental News

Climate

Bill Chappell

Author

Nathan Rott

Any visitors to the national park are getting blunt advice: "Travel prepared to survive." It's part of a heat wave that is forcing rolling blackouts in the West.

130 degrees: Death Valley sees what could be record heat

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