Biting Arctic air — bringing wind chills as low as 30 below — will make the outdoors miserable for more than 130 million Americans in the Northeast, as well as parts of the Southeast and Great Plains this weekend, forecasters warn.
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| The polar vortex is a large area of low pressure and cold air surrounding the Earth's North and South poles. |
But before folks file this cold snap away under "typical winter weather," scientists say the potentially record-breaking temperatures in store for Friday night through Sunday are being fed, at least in part, by a warming climate.
Confused?
It might seem like the effects of "global warming" would herald an end to these frigid conditions. President Donald Trump suggested so in a mocking tweet before the New Year, writing, "In the East, it could be the COLDEST New Year's Eve on record. Perhaps we could use a little bit of that good old Global Warming ... "
Read the NBC News story by Eric Ortiz - “Why climate change may be to blame for dangerous cold blanketing eastern U.S.”
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