Open AccessDynamics of the Arctic polar vortex during the 1984/1985 sudden stratospheric warming
Author(s) -
В. В. Зуев,
E. S. Savelieva
Publication year - 2019
Publication title -
iop conference series. earth and environmental science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.179
H-Index - 26
eISSN - 1755-1307
pISSN - 1755-1315
DOI - 10.1088/1755-1315/386/1/012010
Subject(s) - sudden stratospheric warming , polar vortex , stratosphere , polar , atmospheric sciences , vortex , arctic , environmental science , climatology , polar night , rossby wave , the arctic , physics , geology , meteorology , oceanography , astronomy
The Arctic stratospheric polar vortex usually forms in October, reaches its peak intensity in December, and decays from February to April. In most cases, the breakdown of the Arctic polar vortex occurs under the influence of vertically propagating planetary Rossby waves. The influence of planetary wave activity on the polar vortex leads to a displacement or breakdown accompanied by a sudden stratospheric warming (SSW). One of the earliest SSWs was observed on December 29, 1984, after which the polar vortex in the lower stratosphere had not fully recovered and existed for less than 3 months since October. In this study, we analyze the dynamics of the stratospheric polar vortex under the influence of planetary wave activity in the winter of 1984-1985.