Interannual and seasonal variability of hydrometeorological fields in some regions of the Atlantic-European sector as a manifestation of the abnormal behaviour of the North-Atlantic Oscillation |
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| Authors: | A A Sizov |
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| Institution: | (1) Climate and Environment Consulting Potsdam GmbH, David-Gilly-Strasse 1, 14469 Potsdam, Germany |
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| Abstract: | We study the interannual and seasonal variability of hydrometeorological fields in some regions of the Atlantic-European sector.
These low-frequency processes are analyzed depending on the index ΔP (an analog of the index of the North-Atlantic Oscillation). It is shown that the average value of the index ΔP over the winter natural synoptic season can be used for the determination of stable locations of the centre of the Azorean
maximum in 1971–1980 and 1981–1990, the typical state of cloudiness in the Atlantic-European sector, and the fields of precipitations
and atmospheric temperature in some regions of the Crimea. Typical anomalies of the fields of precipitations and atmospheric
temperature over the west and south coasts of the Crimea are described. The signs of the anomalies of precipitations in the
winter natural synoptic season are in good agreement with the signs of the corresponding anomalies of the field of cloudiness
in the Black-Sea region.
Translated by Peter V. Malyshev and Dmitry V. Malyshev |
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