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A weakening of the polar vortex and jet stream is likely to lead to more severe winter weather outbreaks.
‘Arctic wildcard stacking the deck in favor of more severe winter outbreaks‘
By Summit Voice
SUMMIT COUNTY — Evidence continues to mount that melting Arctic ice is having a significant effect in the mid-latitudes, where most people live, and it’s not something that’s going to take decades to develop.
Instead, researchers say, the warming of the high latitudes has decreased a historic pressure gradient at the boundary of the high- and mid latitudes. Basically, the pressure difference has decreased, and that is having a fundamental effect on the way the jet stream moves from west to east in the northern hemisphere. (more…)
Filed under: climate and weather, Environment, global warming, seasons, Snow and weather | Tagged: Arctic Oscillation, climate change, Cornell University, global warming, Jet stream, melting Arctic ice, Northern Hemisphere | Leave a Comment »
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