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Atmospheric and Oceanic Optics

2018 year, number 11

Change in the synoptic regime of Tomsk in the late XX - early XXI centuries

T.K. Sklyadneva, B.D. Belan, T.M. Rasskazchikova, V.G. Arshinova
V.E. Zuev Institute of Atmospheric Optics of Siberian Branch of the Russian Academy of Science, 1, Academician Zuev square, Tomsk, 634055, Russia
Keywords: синоптические процессы, циклон, антициклон, воздушная масса, synoptic process, cyclone, anticyclone, air mass


Synoptic processes observed in Tomsk region between 1993 and 2016 are analyzed. A significant decrease in the difference in the frequency of cyclones and anticyclones over the past decade is revealed. There is a tendency to decline in the frequency of Arctic air mass invasion and growth of subtropical and tropical ones.