Don't let the incoming string of relatively warm days in the greater Philadelphia region fool you; the polar vortex is still ...
It's Blossom on MSN
A series of polar vortex blasts may send temperatures plunging across the US
When parts of the vortex break down, lobes of Arctic air can drift south, guided by changes in the jet stream. This allows ...
A strong polar vortex doesn't cause cold weather — it does the opposite. Here's what to know about polar vortices, how they work.
The Polar vortex is causing temperatures to plummet dangerously across the Philadelphia region, and frostbite could become a ...
Meteorologist David Yeomans forecasts on CBS News Chicago weekdays at 11 a.m. and 4 p.m., and reports on the Climate Watch team. CHICAGO (CBS) — A chunk of the polar vortex is present in the Chicago ...
The vortex is strongest during the winter and usually weakens or even disappears in the summer. When the polar vortex weakens or even splits, it allows frigid air to escape and push southward toward ...
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