Several days with temperatures of 10-20 degrees below the historical average could be dangerous to plants and ruin outdoor ...

Space exploration missions have revealed that polar vortices aren’t uncommon beyond Earth. They’ve been observed throughout ...

The Polar Vortex in the upper atmosphere has disintegrated after the intense warming of the stratosphere in mid-March.

Colorado could see more frequent and intense temperature swings, in part due to climate change. DENVER — Colorado is no ...

A major alteration in the jet stream is expected to send winter-like conditions back into much of the Northeast. A polar vortex shift — normally responsible for bottling up the coldest air — has ...

Sustained warm weather has been elusive this spring. When will we feel a change? Lee Goldberg explain in the latest edition of "Weather or Not." ...

The word “supercell” may sound like hype, but they are real thunderstorms with rotating updrafts that can have serious ...

Andrew Freedman has been hired by CNN Climate & Weather as a senior reporter. Previously, Freedman served as a senior climate ...

Damond Benningfield A somewhat alarming new phrase entered the American lexicon when parts of the United States were plunged into an especially bitter deep freeze in January 2014: “polar vortex.” ...