Atmospheric researchers at the Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research (AWI) have developed a climate model that can accurately depict the frequently observed winding course of the jet stream, a major air current over the Northern Hemisphere. The breakthrough came when the scientists combined their global climate model with a new machine learning algorithm on ozone chemistry. Using the combined model, they demonstrate that the jet stream’s wavelike course in winter and subsequent extreme weather conditions like cold air outbreaks in Central Europe and North America are the direct result of climate change. Their findings were published in Scientific Reports on 28 May 2019.
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Source: Phys.org