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    Future Australian Severe Thunderstorm Environments. Part II: The Influence of a Strongly Warming Climate on Convective Environments

    Source: Journal of Climate:;2014:;volume( 027 ):;issue: 010::page 3848
    Author:
    Allen, John T.
    ,
    Karoly, David J.
    ,
    Walsh, Kevin J.
    DOI: 10.1175/JCLI-D-13-00426.1
    Publisher: American Meteorological Society
    Abstract: he influence of a warming climate on the occurrence of severe thunderstorm environments in Australia was explored using two global climate models: Commonwealth Scientific and Industrial Research Organisation Mark, version 3.6 (CSIRO Mk3.6), and the Cubic-Conformal Atmospheric Model (CCAM). These models have previously been evaluated and found to be capable of reproducing a useful climatology for the twentieth-century period (1980?2000). Analyzing the changes between the historical period and high warming climate scenarios for the period 2079?99 has allowed estimation of the potential convective future for the continent. Based on these simulations, significant increases to the frequency of severe thunderstorm environments will likely occur for northern and eastern Australia in a warmed climate. This change is a response to increasing convective available potential energy from higher continental moisture, particularly in proximity to warm sea surface temperatures. Despite decreases to the frequency of environments with high vertical wind shear, it appears unlikely that this will offset increases to thermodynamic energy. The change is most pronounced during the peak of the convective season, increasing its length and the frequency of severe thunderstorm environments therein, particularly over the eastern parts of the continent. The implications of this potential increase are significant, with the overall frequency of potential severe thunderstorm days per year likely to rise over the major population centers of the east coast by 14% for Brisbane, 22% for Melbourne, and 30% for Sydney. The limitations of this approach are then discussed in the context of ways to increase the confidence of predictions of future severe convection.
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      Future Australian Severe Thunderstorm Environments. Part II: The Influence of a Strongly Warming Climate on Convective Environments

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4223038
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    contributor authorAllen, John T.
    contributor authorKaroly, David J.
    contributor authorWalsh, Kevin J.
    date accessioned2017-06-09T17:09:02Z
    date available2017-06-09T17:09:02Z
    date copyright2014/05/01
    date issued2014
    identifier issn0894-8755
    identifier otherams-80175.pdf
    identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4223038
    description abstracthe influence of a warming climate on the occurrence of severe thunderstorm environments in Australia was explored using two global climate models: Commonwealth Scientific and Industrial Research Organisation Mark, version 3.6 (CSIRO Mk3.6), and the Cubic-Conformal Atmospheric Model (CCAM). These models have previously been evaluated and found to be capable of reproducing a useful climatology for the twentieth-century period (1980?2000). Analyzing the changes between the historical period and high warming climate scenarios for the period 2079?99 has allowed estimation of the potential convective future for the continent. Based on these simulations, significant increases to the frequency of severe thunderstorm environments will likely occur for northern and eastern Australia in a warmed climate. This change is a response to increasing convective available potential energy from higher continental moisture, particularly in proximity to warm sea surface temperatures. Despite decreases to the frequency of environments with high vertical wind shear, it appears unlikely that this will offset increases to thermodynamic energy. The change is most pronounced during the peak of the convective season, increasing its length and the frequency of severe thunderstorm environments therein, particularly over the eastern parts of the continent. The implications of this potential increase are significant, with the overall frequency of potential severe thunderstorm days per year likely to rise over the major population centers of the east coast by 14% for Brisbane, 22% for Melbourne, and 30% for Sydney. The limitations of this approach are then discussed in the context of ways to increase the confidence of predictions of future severe convection.
    publisherAmerican Meteorological Society
    titleFuture Australian Severe Thunderstorm Environments. Part II: The Influence of a Strongly Warming Climate on Convective Environments
    typeJournal Paper
    journal volume27
    journal issue10
    journal titleJournal of Climate
    identifier doi10.1175/JCLI-D-13-00426.1
    journal fristpage3848
    journal lastpage3868
    treeJournal of Climate:;2014:;volume( 027 ):;issue: 010
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
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