Former Vice President Al Gore Albert (Al) Arnold GoreBusiness groups start gaming out a Biden administration Cruz says Senate Republicans likely have votes to confirm Trump Supreme Court nominee 4 inconclusive Electoral College results that challenged our democracy MORE on Saturday issued a warning about Earth's "ominous" record-breaking heat.

"Another ominous record has been set," Gore tweeted, citing a Washington Post article. "The city of Quriyat, Oman, hit an overnight LOW of 108.7 degrees on Tuesday - likely the highest minimum daily temp recorded on Earth. For those suffering from the heat in the U.S. this weekend, be safe and stay cool!"

Another ominous record has been set. The city of Quriyat, Oman, hit an overnight LOW of 108.7 degrees on Tuesday - likely the highest minimum daily temp recorded on Earth. For those suffering from the heat in the U.S. this weekend, be safe and stay cool! https://t.co/TizdAbAWLt — Al Gore (@algore) June 30, 2018

Gore's remarks came in response to a report from the Post that said the world likely reached it's highest low temperature on record this week. On Tuesday, temperatures in Quriyat, Oman, never dropped below 108.7 degrees over a 24-hour period.

The world's previous hottest minimum temperature was 107.4 degrees, which was set in Oman on June 27, 2011.

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Jeff Masters of Weather Underground first reported the findings.

On June 26, the temperature reportedly reached a high of 121.6 degrees, just two degrees below the country's all-time heat record, setting the record for the hottest temperature in June.

The temperature, however, is not official and remains unverified.

Gore, who has been a longtime champion of causes related to climate change, was awarded the Nobel Peace Prize in 2007 for his work.

In November 2017, he said the U.S. could remain in the Paris climate agreement, the international accord that sets standards for dealing with greenhouse gas emissions, if there was a new U.S. president by 2020.