There is a sudden warming about to happen high up in the atmosphere. This warming usually affects the Polar Vortex.

The term vortex is used to indicate that the air flows in a counterclockwise direction. Both polar vortexes are present ...

A polar vortex is a ‘large area of low pressure and cold air surrounding both of the Earth’s poles’ that ‘ALWAYS exists near ...

At the edge of the Arctic in northern Canada, the annual migration of polar bears draws tourists, photographers, and ...

Impact on North America's weather in March - An in-depth look at the forecasted polar vortex collapse and its potential effects on weather patterns across North America this March ...

The polar bears pass through Churchill, Manitoba, hoping to catch a ride out of the tiny town on Hudson Bay's sea ice. After a summer of fasting on land, the bears need to get back to their frozen ...

Despite the poor weather conditions it is not, however, the second coming of a polar vortex, a phrase the National Weather Service's Chicago office tweeted earlier this week to describe the ...

and growing new feathers for their return trip to the Arctic—and polar summer. Throughout, careful illustrations set the terns alongside a larger community of wildlife: the tiny fish on which ...