Temporal variation of extreme precipitation events in Lithuania

Heavy precipitation events in Lithuania for the period 1961-2008 were analysed. The spatial distribution and dynamics of precipitation extremes were investigated. Positive tendencies and in some cases statistically significant trends were determined for the whole of Lithuania. Atmospheric circulat...

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Main Authors: Egidijus Rimkus, Justas Kažys, Arūnas Bukantis, Aleksandras Krotovas
Format: Article
Language:English
Published: Elsevier 2011-05-01
Series:Oceanologia
Subjects:
Online Access:http://www.iopan.gda.pl/oceanologia/53_1-TI.html#A4
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author Egidijus Rimkus
Justas Kažys,
Arūnas Bukantis,
Aleksandras Krotovas
author_facet Egidijus Rimkus
Justas Kažys,
Arūnas Bukantis,
Aleksandras Krotovas
author_sort Egidijus Rimkus
collection DOAJ
description Heavy precipitation events in Lithuania for the period 1961-2008 were analysed. The spatial distribution and dynamics of precipitation extremes were investigated. Positive tendencies and in some cases statistically significant trends were determined for the whole of Lithuania. Atmospheric circulation processes were derived using Hess & Brezowski's classification of macrocirculation forms. More than one third of heavy precipitation events (37%) were observed when the atmospheric circulation was zonal. The location of the central part of a cyclone (WZ weather condition subtype) over Lithuania is the most common synoptic situation (27%) during heavy precipitation events. Climatic projections according to outputs of the CCLM model are also presented in this research. The analysis shows that the recurrence of heavy precipitation events in the 21st century will increase significantly (by up to 22%) in Lithuania.
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spelling doaj.art-0cb0d08764244538be4df419583435242022-12-22T01:07:22ZengElsevierOceanologia0078-32342011-05-01531-TI259277Temporal variation of extreme precipitation events in LithuaniaEgidijus RimkusJustas Kažys,Arūnas Bukantis,Aleksandras KrotovasHeavy precipitation events in Lithuania for the period 1961-2008 were analysed. The spatial distribution and dynamics of precipitation extremes were investigated. Positive tendencies and in some cases statistically significant trends were determined for the whole of Lithuania. Atmospheric circulation processes were derived using Hess & Brezowski's classification of macrocirculation forms. More than one third of heavy precipitation events (37%) were observed when the atmospheric circulation was zonal. The location of the central part of a cyclone (WZ weather condition subtype) over Lithuania is the most common synoptic situation (27%) during heavy precipitation events. Climatic projections according to outputs of the CCLM model are also presented in this research. The analysis shows that the recurrence of heavy precipitation events in the 21st century will increase significantly (by up to 22%) in Lithuania.http://www.iopan.gda.pl/oceanologia/53_1-TI.html#A4Heavy precipitationAtmospheric circulationRegional modellingCCLM model
spellingShingle Egidijus Rimkus
Justas Kažys,
Arūnas Bukantis,
Aleksandras Krotovas
Temporal variation of extreme precipitation events in Lithuania
Oceanologia
Heavy precipitation
Atmospheric circulation
Regional modelling
CCLM model
title Temporal variation of extreme precipitation events in Lithuania
title_full Temporal variation of extreme precipitation events in Lithuania
title_fullStr Temporal variation of extreme precipitation events in Lithuania
title_full_unstemmed Temporal variation of extreme precipitation events in Lithuania
title_short Temporal variation of extreme precipitation events in Lithuania
title_sort temporal variation of extreme precipitation events in lithuania
topic Heavy precipitation
Atmospheric circulation
Regional modelling
CCLM model
url http://www.iopan.gda.pl/oceanologia/53_1-TI.html#A4
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AT justaskazys temporalvariationofextremeprecipitationeventsinlithuania
AT arunasbukantis temporalvariationofextremeprecipitationeventsinlithuania
AT aleksandraskrotovas temporalvariationofextremeprecipitationeventsinlithuania