Monster storms ‘slicing through’ the snow ... “By Thursday morning, Arctic air will reach the Gulf Coast where temperatures will dip below freezing with numerous low-temperature records ...

An Arctic air mass kept its grip on much of the central and eastern U.S. on Friday, plunging temperatures to record lows as snow blanketed central Colorado and the Pacific Northwest braced for an ...

The weather patterns have been very dynamic, with massive ridges and troughs in the jet stream leading to many cross-country storms while shots of Arctic air send temperatures plummeting.