The polar vortex isn’t just “cold air” — it’s a massive atmospheric engine that can shift and crack, sending brutal winter outbreaks far from the Arctic. This decade, scientists warn its behavior ...
A highly unusual disruption of the polar vortex is taking shape in the upper atmosphere this November, raising the odds of a more volatile and wintry pattern as the season ramps up. Instead of the ...
Michigan is experiencing frigid temperatures and heavy snow due to a dip in the jet stream, not the polar vortex. The polar vortex is a large-scale cyclone of cold air that typically stays far north ...