Climate change could lengthen North American winters
DOI: 10.1063/PT.5.0210175
Washington Post : One of the most notable effects of rising global temperatures has been the loss of Arctic ice. A new study suggests that ice loss is causing the polar vortex to shift, which could lead to longer winters in North America. Over the past three decades of warming, the vortex has weakened and moved toward Europe and Asia during February. A weakening vortex is more likely to fracture and allow extremely cold air to flow south from the Arctic, as happened several times over the past two winters. The vortex’s shift in position during mid to late winter means that the fractures are more likely to continue into early spring, the researchers say, and pour cold Arctic air across North America.
