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Atmospheric circulation conditions during winter warm spells in Central Europe
winter warm spells
circulation conditions
geopotential anomalies
Central Europe
Bibliogr. s. 1427-1428
The objective of the paper was to characterise the temporal and spatial variability of winter warm spells in Central Europe in the years 1966/1967-2015/2016 and to determine the circulation conditions of their occurrence. The applied data were obtained from the Polish Institute of Meteorology and Water Management, Deutscher Wetterdienst and the National Centre for Environmental Prediction/National Centre for Atmospheric Research. A warm spell was defined as a sequence of at least three warm days, i.e. when the maximum air temperature is higher than the 95th percentile of the probability density function designated from observation. The research has proven that over the study period the air temperature increased in the winter season in Central Europe and this translated into an increase in the number of warm days. An average of 3-5 warm spells was recorded per 10 years. The most numerous warm spells occurred during three winter seasons, i.e. 1989/1990, 2006/2007 and 2015/2016. The occurrence of warm spells was related to positive anomalies of geopotential heights over the study area in the cross section of the entire troposphere. Maximum anomalies appeared at 250 hPa geopotential height, and they developed on average 9 days before the commencement of warm spells over the study area.
dc.abstract.en | The objective of the paper was to characterise the temporal and spatial variability of winter warm spells in Central Europe in the years 1966/1967-2015/2016 and to determine the circulation conditions of their occurrence. The applied data were obtained from the Polish Institute of Meteorology and Water Management, Deutscher Wetterdienst and the National Centre for Environmental Prediction/National Centre for Atmospheric Research. A warm spell was defined as a sequence of at least three warm days, i.e. when the maximum air temperature is higher than the 95th percentile of the probability density function designated from observation. The research has proven that over the study period the air temperature increased in the winter season in Central Europe and this translated into an increase in the number of warm days. An average of 3-5 warm spells was recorded per 10 years. The most numerous warm spells occurred during three winter seasons, i.e. 1989/1990, 2006/2007 and 2015/2016. The occurrence of warm spells was related to positive anomalies of geopotential heights over the study area in the cross section of the entire troposphere. Maximum anomalies appeared at 250 hPa geopotential height, and they developed on average 9 days before the commencement of warm spells over the study area. | pl |
dc.affiliation | Wydział Geografii i Geologii : Instytut Geografii i Gospodarki Przestrzennej | pl |
dc.contributor.author | Tomczyk, Arkadiusz M. | pl |
dc.contributor.author | Sulikowska, Agnieszka - 190382 | pl |
dc.contributor.author | Bednorz, Ewa | pl |
dc.contributor.author | Półrolniczak, Marek | pl |
dc.date.accession | 2019-08-21 | pl |
dc.date.accessioned | 2019-08-26T08:04:04Z | |
dc.date.available | 2019-08-26T08:04:04Z | |
dc.date.issued | 2019 | pl |
dc.date.openaccess | 0 | |
dc.description.accesstime | w momencie opublikowania | |
dc.description.additional | Bibliogr. s. 1427-1428 | pl |
dc.description.number | 3 | pl |
dc.description.physical | 1413-1428 | pl |
dc.description.version | ostateczna wersja wydawcy | |
dc.description.volume | 96 | pl |
dc.identifier.doi | 10.1007/s11069-019-03621-4 | pl |
dc.identifier.eissn | 1573-0840 | pl |
dc.identifier.issn | 0921-030X | pl |
dc.identifier.project | ROD UJ / OP | pl |
dc.identifier.uri | https://ruj.uj.edu.pl/xmlui/handle/item/81249 | |
dc.identifier.weblink | https://link.springer.com/article/10.1007/s11069-019-03621-4 | pl |
dc.language | eng | pl |
dc.language.container | eng | pl |
dc.rights | Udzielam licencji. Uznanie autorstwa 4.0 Międzynarodowa | * |
dc.rights.licence | CC-BY | |
dc.rights.uri | http://creativecommons.org/licenses/by/4.0/legalcode.pl | * |
dc.share.type | inne | |
dc.subject.en | winter warm spells | pl |
dc.subject.en | circulation conditions | pl |
dc.subject.en | geopotential anomalies | pl |
dc.subject.en | Central Europe | pl |
dc.subtype | Article | pl |
dc.title | Atmospheric circulation conditions during winter warm spells in Central Europe | pl |
dc.title.journal | Natural Hazards | pl |
dc.type | JournalArticle | pl |
dspace.entity.type | Publication |
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