Despite a warming climate, bone-chilling winter cold can grip parts of the U.S. In a study appearing in Science Advances, researchers found that two specific patterns in the polar vortex, a ...

Two newly identified patterns in the stratospheric polar vortex can send cold air over North America to cause extreme cold snaps, but the parts of the country that suffer differ between them ...

While this polar vortex event will not affect Northern California, its presence in the central and eastern U.S. will have an impact on the weather pattern for the West Coast.

Even in a warming climate, brutal cold snaps still hammer parts of the U.S., and a new study uncovers why. High above the Arctic, two distinct polar vortex patterns — both distorted and ...

Accuweather May snow, spring polar vortex to shock many U.S. cities in developing weather pattern An unusually chilly spring is about to turn even more shocking in the Northeast. 00:00 01:08 ...

Four weeks after a disruption to the polar vortex, chillier and stormier weather is trickling toward the mid-latitudes.