Circulation conditions of abnormally cold winter of 2005-2006 over Siberia

I. V. Latysheva; E. P. Belousova; A. S. Ivanova; V. L. Potemkin

doi:10.1117/12.723287

1 November 2006 Circulation conditions of abnormally cold winter of 2005-2006 over Siberia

I. V. Latysheva, E. P. Belousova, A. S. Ivanova, V. L. Potemkin

Proceedings Volume 6522, Thirteenth Joint International Symposium on Atmospheric and Ocean Optics/ Atmospheric Physics; 65222B (2006) https://doi.org/10.1117/12.723287
Event: Thirteenth Joint International Symposium on Atmospheric and Ocean Optics/ Atmospheric Physics, 2006, Tomsk, Russian Federation

Abstract

This work is aimed at studying circulation conditions of the abnormally cold winter of 2005-2006 over Siberia where the intensification of meridian air exchange was accompanied by a frequent invasion of cold air masses into temperate latitudes and their precipitation in lower layers of troposphere. Stratospheric warming and long-term blocking processes in troposphere over Europe and Yakutia preceded the development of deep high-latitude cyclones over Siberia and the Urals. High-latitude convergence over Siberia was accompanied by a strong cyclonic wind shift and intensification of jet stream. On the whole, weakening of western transfer within the significant layer of atmosphere, decrease of a number of deep cyclones in the Western Arctic, as well as stratospheric warming create a high level of predictability of short-period climatic changes over Siberia in winter.

Citation Download Citation

I. V. Latysheva, E. P. Belousova, A. S. Ivanova, and V. L. Potemkin "Circulation conditions of abnormally cold winter of 2005-2006 over Siberia", Proc. SPIE 6522, Thirteenth Joint International Symposium on Atmospheric and Ocean Optics/ Atmospheric Physics, 65222B (1 November 2006); https://doi.org/10.1117/12.723287

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