(CNN) — High above the North Pole, in a slice of atmosphere rarely noticed and even less understood, a transformation is underway. Over the next 10 days, changes in the stratosphere will upend weather ...

Another series of atmospheric river-enhanced storms will soak California just days after a destructive Christmas-week storm.

(CNN) — Record cold temperatures have pushed as far south as Florida this morning as wind-whipped snow continues to pile up in the eastern Great Lakes from a brief bout of Arctic air gripping the ...

(CNN) — A powerful storm carrying a strong atmospheric river laid siege to California over the last several days — setting records in parts of the state — with evacuations orders still ongoing ...

(CNN) — An even more potent atmospheric river-fueled storm is on a collision course with California after a first storm triggered deadly flooding and evacuations over the weekend in Northern ...