A bicycle messenger struggles through the snow in downtown Cleveland on Friday. Mark Duncan/AP hide caption

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Around the Nation

Yes, The Weather Is Polar. No, It's Not The Vortex

Meteorologists are annoyed by the hype around the phrase "polar vortex." This week's frigid snap, they say, was just a regular old cold front.

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Here we go again. Earlier this month in St. Louis, Jerome Harris bundled up against frigid temperatures. Now, cold air is again rushing south from the Arctic and a "bomb" of a storm is brewing across much of the Eastern half of the nation. Jeff Roberson/AP hide caption

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A man walks through a steam cloud in frigid cold temperatures Tuesday in Manhattan. Brendan McDermid /Reuters/Landov hide caption

toggle caption Brendan McDermid /Reuters/Landov

Morrie Fisher drinks at Mawson Station, an Australian base in East Antarctica, in 1957. Apparently, these sorts of amusements tend to pop up when you're bored in a barren landscape. Courtesy of the Australian Antarctic Division hide caption

toggle caption Courtesy of the Australian Antarctic Division

Ice has built up along Lake Michigan in Chicago as temperatures have plunged in recent days. A dip in the polar vortex is to blame. Scott Olson/Getty Images hide caption

toggle caption Scott Olson/Getty Images