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IMAGE: Left: Frozen waterfall in a rural area west of Beijing, China (photo taken by Fei Zheng on Feb 17); Right: A snow-capped car in Austin, Texas USA (photo taken by. view more
Credit: Fei Zheng/ Zong-Liang Yang
China is just one of many countries in the Northern Hemisphere having what researchers are calling an extremely cold winter, due in part to both the tropical Pacific and the Arctic, according to an analysis of temperatures from Dec. 1, 2020, to mid-January of 2021. A country-specific case study, the investigation potentially has far-reaching implications for predictions and early warnings to protect against harmful impacts, researchers said.