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    Spiral Rainbands in a Numerical Simulation of Hurricane Bill (2009). Part I: Structures and Comparisons to Observations

    Source: Journal of the Atmospheric Sciences:;2014:;Volume( 072 ):;issue: 001::page 164
    Author:
    Moon, Yumin
    ,
    Nolan, David S.
    DOI: 10.1175/JAS-D-14-0058.1
    Publisher: American Meteorological Society
    Abstract: his study examines spiral rainbands in a numerical simulation of Hurricane Bill (2009). This paper, the first part of the study, evaluates the structures of spiral rainbands and compares them to previous observations. Four types of spiral rainbands are identified: principal, secondary, distant, and inner rainbands. Principal rainbands tend to be stationary relative to the storm center, while secondary rainbands are more transient and move around the storm center. Both principal and secondary rainbands are tilted radially outward with height and have many of the commonly observed kinematic features, such as overturning secondary circulation and enhanced tangential velocity on their radially outward sides. Principal rainbands are bounded by very dry air on their radially outward sides. Distant rainbands are radially inward-tilting convective features that have dense cold pools near the surface. Inner rainbands are made of shallow convection that appears to have originated from near the eyewall. Differences in the structures of spiral rainbands between observations and the Hurricane Bill simulation are noted. The second part of the study investigates how inner rainbands propagate and makes comparison with previously proposed hypotheses such as vortex Rossby waves.
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      Spiral Rainbands in a Numerical Simulation of Hurricane Bill (2009). Part I: Structures and Comparisons to Observations

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4219563
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    contributor authorMoon, Yumin
    contributor authorNolan, David S.
    date accessioned2017-06-09T16:57:28Z
    date available2017-06-09T16:57:28Z
    date copyright2015/01/01
    date issued2014
    identifier issn0022-4928
    identifier otherams-77048.pdf
    identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4219563
    description abstracthis study examines spiral rainbands in a numerical simulation of Hurricane Bill (2009). This paper, the first part of the study, evaluates the structures of spiral rainbands and compares them to previous observations. Four types of spiral rainbands are identified: principal, secondary, distant, and inner rainbands. Principal rainbands tend to be stationary relative to the storm center, while secondary rainbands are more transient and move around the storm center. Both principal and secondary rainbands are tilted radially outward with height and have many of the commonly observed kinematic features, such as overturning secondary circulation and enhanced tangential velocity on their radially outward sides. Principal rainbands are bounded by very dry air on their radially outward sides. Distant rainbands are radially inward-tilting convective features that have dense cold pools near the surface. Inner rainbands are made of shallow convection that appears to have originated from near the eyewall. Differences in the structures of spiral rainbands between observations and the Hurricane Bill simulation are noted. The second part of the study investigates how inner rainbands propagate and makes comparison with previously proposed hypotheses such as vortex Rossby waves.
    publisherAmerican Meteorological Society
    titleSpiral Rainbands in a Numerical Simulation of Hurricane Bill (2009). Part I: Structures and Comparisons to Observations
    typeJournal Paper
    journal volume72
    journal issue1
    journal titleJournal of the Atmospheric Sciences
    identifier doi10.1175/JAS-D-14-0058.1
    journal fristpage164
    journal lastpage190
    treeJournal of the Atmospheric Sciences:;2014:;Volume( 072 ):;issue: 001
    contenttypeFulltext
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    yabeshDSpacePersian
     
    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
    yabeshDSpacePersian