Three separate rounds of Arctic air have already swept across the central and eastern United States through mid-December, ...

A powerful polar vortex slams an already-frozen state as NOAA warns the deep freeze could last for weeks, bringing extreme ...

Americans have been warned to brace for more winter storms as Arctic winds are set to dump more ice and snow amid freezing ...

The stratospheric polar vortex is expected to strengthen at the beginning of 2026. This phenomenon typically leads to the following conditions: Reduced likelihood of extended cold air outbreaks across ...

The event displaced the polar vortex bringing much colder weather to portions of North America. The impact of these ...

This winter will be marked by a La Niña event, warmer North Pacific waters, and an undulating polar vortex where cold air might escape into the continent.