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TWITTER | Polar Vortex

Trump is tweeting about global warming again

Digital writers

Tuesday, January 29, 2019, 6:34 PM - It's cold across parts of Canada and the U.S.

Really cold.

Several communities on both sides of the border are dealing with snow, ice, multiple closures and traffic delays.

U.S. President Donald Trump has taken notice of the potentially record-breaking chill, making mention of it in his Tuesday tweet storm. 

(RELATED: How frigid polar vortex blasts are linked to global warming)

"In the beautiful Midwest, windchill temperatures are reaching minus 60 degrees, the coldest ever recorded," he posted on Twitter.

"In coming days, expected to get even colder. People can’t last outside even for minutes. What the hell is going on with Global Waming [sic]? Please come back fast, we need you!"

Twitter users were quick to point out there's a difference between "climate" and "the weather", but that doesn't appear to have made an impression on the commander-in-chief, because this isn't the first time he's used the cold to call global warming into question.

(RELATED: I don't believe in climate change | A line in the sand)

According to Vox, he's tweeted his skepticism over climate change more than 100 times, with posts going back as far as 2011:


In December 2017, Weather Network Chief Meteorologist Chris Scott outlined the difference between climate and weather, in direct response to one of Trump's global warming tweets.

"Weather is like your mood, and climate is like your personality. Related, but different," he wrote.

"The best way to understand the relationship is to think of climate as the atmosphere's personality, and weather like it's mood. Your personality is shaped over years, it tends to change slowly and is the sum of all your moods – both the averages and the extremes. In the same way, climate change and global warming are measured over decades and centuries and reflect changes in the averages and the extremes of weather."

(RELATED: Dear RealDonaldTrump: We're officially mad)

Some scientists believe that global warming might make periods of extreme cold even more common, because global warming weakens the pressure in the jet stream.

That can send cold air south, leaving a warm Arctic behind, writes Jennifer Frances, a visiting professor at Rutgers University.

"Undoubtedly this new polar vortex attack will unleash fresh claims that global warming is a hoax," she adds.

"But this ridiculous notion can be quickly dispelled with a look at predicted temperature departures around the globe for early this week. The lobe of cold air over North America is far outweighed by areas elsewhere in the United States and worldwide that are warmer than normal."


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