Friday morning was the coldest morning of the winter so far for tens of millions of Americans, with longstanding records being broken from the Midwest, into the Tennessee River Valley, and eastward to the East Coast
The cold comes courtesy of a highly contorted, or in weather lingo, "amplified," jet stream pattern related in part to the polar vortex. The air is originating in Siberia, and then flowing across the Arctic and southward into North America. For this reason, many are calling this cold snap the "Siberian Express."
While New York City set a record low this morning of 2 degrees Fahrenheit, which beat the old daily record for the date of 7 degrees, set in 1950, many locations east of the Rocky Mountains were far colder than the Big Apple Read more...
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