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Chandni Dabral
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Posted 6 year ago
Chandni Dabral 
Why is the weather so cold if the earth is warming?
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Jyoti Sharma
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Posted 6 year ago Jyoti Sharma

Climate refers to how the atmosphere acts over a long period of time, while weather describes what’s happening on a much shorter time scale. The climate can be thought of, in a way, as the sum of long periods of weather.Some recent cold spells have been caused by a dreaded weather system called the polar vortex. There’s growing evidence to suggest that the polar vortex is appearing outside the Arctic more frequently, because of changes in the jet stream that are attributed to the warming atmosphere. These changes help frigid air escape from the Arctic and swoop southward.