Applications of reanalyses in science and society

[PA4-10] Analysis of Extremely Strong Easterly Wind Events around the Stratopause in the Northern Hemisphere Winter

*Yayoi Harada¹, Takenari Kinoshita², Kaoru Sato³, Toshihiko Hirooka⁴ (1. Meteorological Research Institute / Japan meteorological Agency, 2. Japan Agency for Marine-Earth Science and Technology, 3. The University of Tokyo, 4. Kyushu University)

キーワード：Extremely strong easterly wind event around the stratopause, Major sudden stratospheric warming, Wave packet propagation, Three-dimensional wave activity flux