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Using both observational analysis and novel numerical modeling experiments, we showed that autumn snow cover extent and Arctic sea ice trends can force observed increasing trends in stratospheric polar vortex stretching and surface impacts. Our analysis provides a dynamical link between rapid Arctic change and extreme winter weather across large regions of the Northern Hemisphere.
Dr. Laura Brewington (Arizona State University, the East-West Center) will provide an introduction to the Pacific Regional Integrated Sciences and Assessments (RISA) program, one of 11 NOAA RISA programs in the United States focused on regional climate science and adaptation. Now in its 16th year, the Pacific RISA is generating equitable climate solutions in Hawaii…