Polar Vortex
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It is difficult to explain how global warming can cause some of the extremely cold weather we have been experiencing. The Arctic is warming much faster than the rest of the earth. The warmer Arctic destabilizes and weakens the jet stream, causing it to pull frigid air down from the Arctic into the United States.… Read more
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The Arctic is much warmer now than it was 30 years ago. They even had 100° days in Siberia last summer. The warming Arctic has caused changes in the jet stream, which controls the Northern Hemispheres’ weather. The Rossby waves in the jet stream, that move from west to east across the United States, (see… Read more
J.C. Moore Online 