NOAA posts cartoon which appears to challenge Trump's climate change skepticism

The day after President Trump posted a tweet suggesting extreme cold temperatures in the Midwest cast doubt on the existence of global warming, the climate service for the National Oceanic and Atmospheric Administration (NOAA) tweeted a cartoon explaining warming oceans result in more extreme winter weather.

"In the beautiful Midwest, windchill temperatures are reaching minus 60 degrees, the coldest ever recorded. 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!" Mr. Trump tweeted.

Forecasters say millions of people in the Midwest and Great Lakes will see record-shattering wind chills from 40 to 65 degrees below zero this week due to a "polar vortex." And global warming may be playing a direct role in this: there is a theory that as areas near the North Pole warm more than two times faster than the rest of the globe, it weakens the polar vortex, displacing cold air masses southward into Europe, Asia and the United States.

"Winter storms don't prove that global warming isn't happening," the NOAA tweet said, linking to a 2015 article on Climate.gov which explains that "warmer air temperatures fuel more evaporation, leading to a wetter atmosphere, which increases rain or snow totals." The tweet also included a descriptive cartoon from the 2015 article.

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