The cause of the week-long deep freeze? A polar vortex collapse. Now, meteorologists are calling for another collapse in the middle of March, one that could plunge the U.S., Canada, and parts of ...

The main polar vortex is a circulation of air enveloping ... He has also worked as a reporter for Congressional Quarterly and Greenwire/E&E Daily. His writing has also appeared in the Washington ...

The term “polar vortex” might conjure images of mythical icy storms swirling through the North Pole but in reality it’s a ...

Andrew Freedman has joined CNN’s climate and weather unit as a senior reporter, the network announced April 21, 2025.

The polar vortex slid toward Europe in recent weeks, ushering in cooler temperatures to portions of Canada A significant disruption to the polar vortex over far Northern Canada will keep the ...

"The large polar vortex disruption from the second week of March is playing a key role in next week’s eastern US cold snap," meteorologist Judah Cohen of Atmospheric and Environmental Research told ...

An April cold snap is expected to bring unusually cold temperatures to the eastern half of the US next week. The cold snap could impact new spring vegetation and lead to frost in some areas.

Don't put away those winter coats just yet. An April cold snap is forecast for much of the eastern half of the U.S. early next week, forecasters said, with freezes likely across portions of the ...