Studying Summer Season Drought in Western Russia

Author:

Lupo Anthony R.1,Mokhov Igor I.2,Chendev Yury G.3,Lebedeva Maria G.3,Akperov Mirseid2ORCID,Hubbart Jason A.14

Affiliation:

1. Department of Soil, Environmental, and Atmospheric Science, 302 E Anheuser Busch Natural Resources Building, University of Missouri-Columbia, Columbia, MO 65211, USA

2. A.M. Obukhov Inst. of Atmospheric Physics, Russian Academy of Sciences, 3 Pyzhevsky, Moscow 119017, Russia

3. Natural Resources Management and Land Cadastre (Yu. Chendev), Faculty of Mining and Natural Resources Management, 85 Pobeda Street Building No. 14, Floor 2, Room 2-11, Belgorod 308015, Russia

4. Department of Forestry, Anheuser Busch Natural Resources Building, University of Missouri-Columbia, Columbia, MO 65211, USA

Abstract

During the 2010 summer, a severe drought impacted Western Russia, including regions surrounding Moscow and Belgorod (about 700 km south of Moscow). The drought was accompanied by high temperatures. Moscow recorded 37.8°C (100°F) for the first time in over 130 years of record keeping. The record heat, high humidity, dry weather, and smoke from forest fires caused increased human mortality rates in the Moscow region during the summer. The excessive heat and humidity in Western Russia were the result of atmospheric blocking from June through mid-August. The NCAR-NCEP reanalyses were used to examine blocking in the Eastern European and Western Russia sector during the spring and summer seasons from 1970 to 2012. We found that drier years were correlated with stronger and more persistent blocking during the spring and summer seasons. During these years, the Moscow region was drier in the summer and Belgorod during the spring seasons. In the Moscow region, the drier summers were correlated with transitions from El Niño to La Niña, but the opposite was true in the Belgorod region. Synoptic flow regimes were then analyzed and support the contention that dry years are associated with more blocking and El Niño transitions.

Funder

NIFA

Publisher

Hindawi Limited

Subject

Atmospheric Science,Pollution,Geophysics

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