Understanding of European Cold Extremes, Sudden Stratospheric Warming, and Siberian Snow Accumulation in the Winter of 2017/18

• Published in: Journal of Climate
• Main Authors: Lü, Zhuozhuo, Li, Fei, Orsolini, Yvan, Gao, Yongqi, He, Shengping
• Format: Article in Journal/Newspaper
• Language: English
• Published: American Meteorological Society 2020
• Subjects: Arctic; The Splits; North Atlantic; North Atlantic oscillation; Sea ice; Alaska; Siberia
• Online Access: https://hdl.handle.net/1956/21855; https://doi.org/10.1175/jcli-d-18-0861.1

It is unclear whether the Eurasian snow plays a role in the tropospheric driving of sudden stratospheric warming (SSW). The major SSW event of February 2018 is analyzed using reanalysis datasets. Characterized by predominant planetary waves of zonal wave 2, the SSW developed into a vortex split via...