frigid temperatures

(Newser) - Move over, polar vortex : The Northeast is prepping for a major snowstorm—what could be Washington, DC's biggest in three years. A look at what the region faces today:

• Philadelphia: The Inquirer says a "bombogenesis" is coming this afternoon. What's that? "A rapidly intensifying storm."

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(Newser) - While much of the US basks in unseasonably warmish weather, Europe continues to be locked in a deep freeze that's getting even colder. More than 100 people have died in Ukraine, Italy is suffering its coldest winter in 27 years, and conditions are so severe in Serbia that thousands...