Climate deniers are quick to say ‘I told you so’ when the mercury drops. But a warmer planet impacts weather in ways that can ...

Deep penetration of cold temperatures and a coastal storm will bring bomb cyclone and polar vortex into your newsfeeds.

The big winter (and popular) topic is dusted off very early this season as frigid air plunges south next weekend. But what is ...

What is polar vortex and how much snow is expected in US? A winter storm linked to polar vortex disruption has impacted ...

A disrupted polar vortex will unleash a series of bone-chilling Arctic outbreaks across the eastern United States this month.

The United States is facing a storm unlike any seen in a long time. The National Weather Service has confirmed a blast of ...

A polar vortex brings bitterly cold Arctic air into southern Ontario. Here’s what it is and what you can expect.

WASHINGTON (AP) — Warm Arctic waters and cold continental land are combining to stretch the dreaded polar vortex in a way ...

What is the polar vortex? This article explains what a polar vortex is in simple terms, how it influences winter weather in the U.S., and why meteorologists talk about it during major cold events.

Winter Storm Fern aftermath continues as the East Coast braces for a bomb cyclone and polar vortex, with heavy snow and ...

An extreme polar vortex moving from the Arctic across North America is expected to arrive in Quebec by Friday and persist ...