Atmospheric circulation variability in Europe and northern Asia (1901 to 2010)

Hoy, Andreas; Sepp, Mait; Matschullat, Jörg

doi:10.1007/s00704-012-0770-3

Cited by 26 publications

(30 citation statements)

References 48 publications

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“…The greatest changes were seen between January and August. While annual warming is consistent with other European regions [1,20], inner-annual deviations are best explained by changes in weather types (Section 4), as was also described by Lhotka [81]. The observed warming not only led to a shift in the total spectrum of the daytime temperature, but also to a widening of the temperature distribution: the increase in warm extremes in the study area was stronger than the decrease in cold extremes.…”

Section: Discussionsupporting

confidence: 56%

“…James et al [61] evaluated the Grosswetterlagen classification as "the best conceptual system currently available" for the North Atlantic-European region. Automated versions of the Grosswetterlagen classification may, dependent on the concept, differ in weather pattern frequencies, but they give similar results in terms of the regional expression of their relation to climate elements [20].…”

Section: Weather Typesmentioning

confidence: 73%

“…The Grosswetterlagen classification employs 29 Grosswetterlagen, which may be combined to more general types, e.g., ten "Grosswettertypen" (major types; see Table 3 and Werner and Gerstengarbe 2010). In [20], a comprehensive discussion about: (a) the historical development of the Grosswetterlagen classification; (b) occurrence, frequency variability and trends of circulation types; and (c) relations to sea level pressure, temperature and precipitation in the North Atlantic-European area can be found. …”

Section: Weather Typesmentioning

confidence: 99%

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Climatic Changes and Their Relation to Weather Types in a Transboundary Mountainous Region in Central Europe

et al. 2018

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A first-time common cross-border assessment of observed climatic changes in the Saxon-Bohemian region was the aim of the German-Czech climate cooperation INTERKLIM. This paper focuses on the observed changes of temperature and precipitation averages and extremes within the period 1961-2010, investigating how variations of a range of climate indices were regionally shaped by changes in frequency and character of weather types. This investigation serves to enhance our understanding of the regional climate characteristics to develop transboundary adaptation strategies and focuses on the classification of the "Grosswetterlagen" using the parameters of air temperature and precipitation. Climate data were quality controlled and homogenized by a wide range of methods using the ProClimDB software with a subsequent comprehensive regional visualization based on Geographical Information Systems. Trends for the temperature averages showed increasing trend values mainly from January to August, especially for high temperature extremes. Precipitation trends displayed regionally varying signals, but a strong spatially uniform decrease from April to June (early growing season) and a distinctive increase from July to September (late growing season). Climatic changes were supported by frequency changes of weather types, e.g., the drying from April to June was related to a decrease/increase in patterns causing rather wet/dry conditions, while from July to September opposite trends were observed. Our results represent regional climatic changes in a complex topography and their dependency on variations in atmospheric circulation peculiarities.

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Section: Discussionsupporting

confidence: 56%

Section: Weather Typesmentioning

confidence: 73%

Section: Weather Typesmentioning

confidence: 99%

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Climatic Changes and Their Relation to Weather Types in a Transboundary Mountainous Region in Central Europe

et al. 2018

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“…In this group, the best known ones include the Grossweterlagen classification developed for Central Europe (Baur 1937;Hess and Brezowsky 1977;Werner and Gerstengarbe 2010), the Lamb classification referring to the region of the British Islands (Lamb 1972) and the Vangengeim-Girs classification developed for the north-east part of Europe (Vangengeim 1935;Girs 1971). They were used in numerous climatological studies (e.g., Bárdossy and Caspary 1990;Keevallik et al 1999;Kaszewski and Filipiuk 2003;Stehlík and Bárdossy 2003;Ustrnul 2006;Hoy et al 2012Hoy et al , 2013. The assessment of the effect of atmospheric circulation on the variability of atmospheric conditions in Poland frequently involves the application of manual classifications by Osuchowska-Klein (1978) and Niedźwiedź (1981).…”

Section: Introductionmentioning

confidence: 99%

The main characteristics of atmospheric circulation over East-Central Europe from 1871 to 2010

Bartoszek

2016

Meteorol Atmos Phys

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The main objective of the paper concerns the determination of the annual and multi-annual variability of air flow over East-Central Europe in the period 1871-2010. Daily mean sea-level pressure and values of physical quantities provided the basis for distinguishing 27 circulation types, i.e., eight directional cyclonic, transitional, and anticyclonic types, and one non-directional cyclonic, anticyclonic, and an undefined type. Over the area of EastCentral Europe, the highest frequency is recorded for air flow from the western sector, with a maximum in the period from December to January. In spring, a higher than average frequency of cyclonic and easterly circulation is observed, and in summer-anticyclonic and northerly. Increased zonal circulation was recorded in the years 1910-1930, and particularly after 1970, and eastern at the end of the nineteenth century and in the 1930s and 1940s. An increase in the frequency of days with non-directional anticyclonic type and westerly air flow, and a simultaneous decrease in frequency of days with south-easterly and easterly circulation were observed throughout the study period. Among the three classes of circulation types, the highest persistence (particularly in winter) was recorded for anticyclonic types, i.e., when the high pressure system occurred over the Scandinavian Peninsula or East Europe.

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“…As this weather type (Großwetter-lagen) classification (Baur 1937;Brezowsky 1952, 1977;Hoy et al 2012) relies on historical weather maps over the North Atlantic and Europe, the trend should be viewed with caution due to an improvement over time in detecting smaller lows (E-Supplement S2).…”

Section: North Atlantic and Icelandmentioning

confidence: 99%

Recent Change—Atmosphere

Stendel

Besselaar

Hannachi

et al. 2016

North Sea Region Climate Change Assessment

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This chapter examines past and present studies of variability and changes in atmospheric variables within the North Sea region over the instrumental period; roughly the past 200 years. The variables addressed are large-scale circulation, pressure and wind, surface air temperature, precipitation and radiative properties (clouds, solar radiation, and sunshine duration). Temperature has increased everywhere in the North Sea region, especially in spring and in the north. Precipitation has increased in the north and decreased in the south. There has been a north-eastward shift in storm tracks, which agrees with climate model projections. Due to large internal variability, it is not clear which aspects of the observed changes are due to anthropogenic activities and which are internally forced, and long-term trends are difficult to deduce. The number of deep cyclones seems to have increased (but not the total number of cyclones). The persistence of circulation types seems to have increased over the past century, with 'more extreme' extreme events. Changes in extreme weather events, however, are difficult to assess due to changes in instrumentation, station relocations, and problems with digitisation. Without thorough quality control digitised datasets may be useless or even counterproductive. Reanalyses are useful as long as biases introduced by inhomogeneities are properly addressed. It is unclear to what extent circulation over the North Sea region is controlled by distant factors, especially changes in Arctic sea ice.

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Atmospheric circulation variability in Europe and northern Asia (1901 to 2010)

Cited by 26 publications

References 48 publications

Climatic Changes and Their Relation to Weather Types in a Transboundary Mountainous Region in Central Europe

Climatic Changes and Their Relation to Weather Types in a Transboundary Mountainous Region in Central Europe

The main characteristics of atmospheric circulation over East-Central Europe from 1871 to 2010

Recent Change—Atmosphere

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