News tagged with cold air

What is the polar vortex?

The polar vortex is a large area of low pressure and cold air surrounding both of the Earth's poles. It ALWAYS exists near the poles, but weakens in summer and strengthens in winter. The term "vortex" refers to the counter-clockwise ...

dateDec 15, 2016 in Earth Sciences
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Cold snaps linger despite climate change

Keep a winter coat and mittens handy. A new climate analysis from scientists at Pacific Northwest National Laboratory and the University of Reading (UK) found that under climate warming, cold air outbreaks, or CAOs, are projected ...

dateApr 15, 2015 in Environment
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