Vol. 30, issue 04, article # 8

Zuev V.V., Zueva N.E., Ageyeva V.Yu., Saveljeva E.S. Features of the stratospheric circulation dynamics due to the January 2009 sudden stratospheric warming. // Optika Atmosfery i Okeana. 2017. V. 30. No. 04. P. 310–314 [in Russian].
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Abstract:

Effects of the major sudden stratospheric warming event in January 2009 on the stratospheric circulation dynamics are analyzed. Irreversible splitting and successive destruction of the arctic circumpolar vortex on January 24, 2009, are shown to cause anomalously early alteration of the stratospheric circulation. The dynamics of vertical temperature profiles over the Ny-Ålesund and Alert stations reflecting distribution of warming from the middle stratosphere to the upper troposphere and the tropopause evolution has been analyzed. Here we consider the uncharacteristic trend in the total ozone content within the Arctic region preventing the restoration of the winter circulation pattern during the winter and spring time in 2009 after the sudden stratospheric warming.

Keywords:

sudden stratospheric warming, spring alteration of the stratospheric circulation, Arctic circumpolar vortex, tropopause evolution, total ozone content, radiation heating

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