These severe cold events occur when the polar jet stream – the familiar jet stream of winter that runs along the boundary ...

Polar vortex again taking aim at Florida While ... Some young citrus trees were split, compromising their health and future productivity, the analysts said. Joyner, of industry group Florida ...

Biden decides to block U.S. Steel sale to Japanese buyer A missing woman investigation has been solved after 52 years - and she's alive Massive ‘space object’ fragment crashes into remote ...

Every once in a while, the polar vortex gets split into two centers of circulation, one of which can sink southward into North America. This lasts a couple of weeks before it becomes a single ...

WASHINGTON — Get ready for extreme cold weather in D.C. and most of the U.S. over the next few days. The polar vortex has ...

A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of ...

We start the following work week with a polar vortex. This will bring in unseasonably cold air to the region and wind chill ...

However, a deep freeze, thanks to the polar vortex dipping down from Siberia, is about to bring even harsher arctic blast to nearly 300 million Americans starting this weekend. Maps show where and ...

Imagine the polar vortex as a giant, icy whirlpool far above the Earth, keeping frigid Arctic air contained near the north ...

Still, several Colorado school districts will start late on Tuesday as the state waits out the last of subzero temperatures.