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A warming Arctic produces weather extremes in our latitudes

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 Atmospheric researchers have now developed a climate model that  accurately depicts the winding course of the jet stream,  the powerful band of westerly winds over the middle latitudes, which push major weather systems from west to east. Sea-ice retreat & the accompanying increased activity of atmospheric waves are creating a significant, ozone-amplified warming of the polar stratosphere. Since the low polar temperatures form the jet stream's motor, the rising temperatures in the stratosphere are causing it to falter. In turn, this weakening of the jet stream is now spreading downward from the stratosphere, producing weather extremes. This new combo-model now shows that the jet stream's wavelike course in winter & subsequent extreme weather conditions cold air outbreaks in Central Europe and North America are the direct result of climate change.'

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I began teaching in 1963,; Ba and BS in Education -Brooklyn College. I have the equivalent of 2 additional Master's, mainly in Literacy Studies and Graphic Design. I was the only seventh grade teacher of English from 1990 -1999 at East Side (more...)
 

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