Warmth is weakening the polar vortex. Here’s what it means for extreme cold.
Research has found that rising temperatures in the Arctic are weakening weather systems that normally trap the cold around ...
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Why Polar Vortexes Are Becoming More Common
Understanding the Polar Vortex The polar vortex is like a massive whirlpool of frigid air moving around our planet's poles.
Powerful polar vortex in the stratosphere brings frigid temperatures to US
A strong polar vortex in the stratosphere has brought subzero temperatures to the Midwest, Mid-Atlantic and deep into the South.