FEATURES OF THE CURRENT STATE OF THE TEMPERATURE-HUMIDITY REGIME OF UKRAINE SINCE THE BEGINNING OF THE XXI CENTURY UNDER THE INFLUENCE OF CHANGES OF LARGE-SCALE ATMOSPHERIC CIRCULATION

Martazinova V.
Ukrainian Hydrometeorological Institute of the State Emergency Service of Ukraine and the National Academy of Sciences of Ukraine, Kyiv
https://orcid.org/0000-0001-5273-0521

Horodetska N.
Institute of Hydromechanics of the National Academy of Sciences of Ukraine
https://orcid.org/

Rybchenko L.
Ukrainian Hydrometeorological Institute of the State Emergency Service of Ukraine and the National Academy of Sciences of Ukraine, Kyiv
https://orcid.org/0009-0007-6517-3630

Savchuk S.
Ukrainian Hydrometeorological Institute of the State Emergency Service of Ukraine and the National Academy of Sciences of Ukraine, Kyiv
https://orcid.org/0009-0007-7861-9419

Hrebeniuk N.
Ukrainian Hydrometeorological Institute of the State Emergency Service of Ukraine and the National Academy of Sciences of Ukraine, Kyiv
https://orcid.org/

Tatarchuk O.
Ukrainian Hydrometeorological Institute of the State Emergency Service of Ukraine and the National Academy of Sciences of Ukraine, Kyiv
https://orcid.org/

DOI: http://doi.org/10.15407/Meteorology2022.02.022

Keywords: drought, humidity, atmospheric circulation, direct solar radiation, air temperature, atmospheric precipitation

Abstract

The current state of the temperature and humidity regime of the territory of Ukraine from 1991 to the present time under the influence of changes in large-scale atmospheric circulation is considered. The atmospheric circulation model by V. Martazinova and the EOF decomposition of pressure fields, the beginning of the formation of the modern climate regime since 2006 was determined. For the analysis of the modern temperature-humidity regime, the data of the fields of air temperature, atmospheric precipitation, pressure, geopotential in the nodes of the geographic grid of the Atlantic-European sector of the archive of UkrGMI-СDDPP; NOAA Northern Hemisphere Archive; air temperature, precipitation, direct solar radiation of Ukrainian stations since 1991 were used. It is established that the temperature since the beginning of our century on the territory of Ukraine is growing, dry processes with deficit of precipitation are observed in April, August and September. The increase of the drought processes affects the current state of direct solar radiation, which for the warm period of the last 15 years exceeds the norm of previous years almost in all territory of Ukraine, especially in the northern and central regions.

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