Three factors are combining to increase the likelihood of a weaker polar vortex this winter, the website reports. And a ...

In A Nutshell A major study of 42 years of data shows severe winter storms have shifted northwest, away from the traditional ...

Despite a warming climate, bone-chilling winter cold can grip parts of the U.S. In a study appearing in Science Advances, ...

A weaker polar vortex means we'll be vulnerable to occasional Arctic blasts of air. Credit: WQAD A weak Polar Vortex means cold air can move around more freely, including frequent cold spells in ...

Some winters only have one weak polar vortex disruption. This is one of the factors that creates either a harsh winter or mild winter in the eastern U.S.

How long does the polar vortex's impact last? A weak vortex allows more arctic air and stormy patterns to develop here in the U.S. A strong one keeps arctic outbreaks at bay.

However, there have been some notable cold air outbreaks and winter storms associated with weak polar vortex events, such as Winter Storm Uri and the Texas extreme cold outbreak in 2021.

A weak polar vortex has the potential to give Minnesota some wild swings in temps this month, which could lead to an early fall freeze. FOX 9's Cody Matz explains.

These polar vortex stretches are happening more frequently as the world — and especially the Arctic — warms, a 2021 paper published in the journal Science, also co-authored by Cohen, demonstrated.

With temperatures falling across the country, many are wondering what role the polar vortex may play. To stream 13WMAZ on your phone, you need the 13WMAZ app. Download the 13WMAZ app ...

Several frigid days in Rochester in January were attributed to an intrusion of arctic air caused by a weak polar vortex. — Steve Howe reports on weather, climate and the Great Lakes for the ...