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Living on Earth
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The Arctic Is Warming So Fast That It Will Not Be the Same in Every Case
The Arctic is warming so much faster than the rest of the globe. It's really that north-south temperature difference. So it being warm over the United States, say, and much colder in the Arctic. When that temperature difference is large, the winds of the jet stream are strong. But as we warm the Arctic much, much faster, it means that North-South temperature difference is getting smaller. A weaker jet stream is more easily deflected from its west to east path by things like mountain ranges or ocean heat waves.
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