When there are disturbances in which the Jet Stream weakens, it can become wobbly. This allows the cold air to plunge southwards. A disrupted polar vortex does not happen every year. Very much so what ...

Anytime we get an Arctic air blast down this far south, this is an artifact of the polar vortex rearing its ugly head,” said climatologist Barry Keim .

Why Polar Vortexes Are Becoming More Common What do you think about this topic? Share your thoughts in the comments below — ...

There was a messianic fervor in Trump’s Second Inaugural speech that wasn’t evident eight years ago. As dark as the 2016 ...