YaBeSH Engineering and Technology Library

    • Journals
    • PaperQuest
    • YSE Standards
    • YaBeSH
    • Login
    View Item 
    •   YE&T Library
    • AMS
    • Weather and Forecasting
    • View Item
    •   YE&T Library
    • AMS
    • Weather and Forecasting
    • View Item
    • All Fields
    • Source Title
    • Year
    • Publisher
    • Title
    • Subject
    • Author
    • DOI
    • ISBN
    Advanced Search
    JavaScript is disabled for your browser. Some features of this site may not work without it.

    Archive

    Improving NCEP HWRF Simulations of Surface Wind and Inflow Angle in the Eyewall Area

    Source: Weather and Forecasting:;2018:;volume 033:;issue 003::page 887
    Author:
    Wang, Weiguo
    ,
    Sippel, Jason A.
    ,
    Abarca, Sergio
    ,
    Zhu, Lin
    ,
    Liu, Bin
    ,
    Zhang, Zhan
    ,
    Mehra, Avichal
    ,
    Tallapragada, Vijay
    DOI: 10.1175/WAF-D-17-0115.1
    Publisher: American Meteorological Society
    Abstract: AbstractThis note describes a modification of the boundary layer parameterization scheme in the Hurricane Weather Research and Forecasting (HWRF) Model, which improves the simulations of low-level wind and surface inflow angle in the eyewall area and has been implemented in the HWRF system and used in the operational system since 2016. The modification is on an observation-based adjustment of eddy diffusivity previously implemented in the model. It is needed because the previous adjustment resulted in a discontinuity in the vertical distribution of eddy diffusivity near the surface-layer top, which increases the friction within the surface layer and compromises the surface-layer constant-flux assumption. The discontinuity affects the simulation of storm intensity and intensification, one of the main metrics of model performance, particularly in strong tropical cyclones. This issue is addressed by introducing a height-dependent adjustment so that the vertical profile of eddy diffusivity is continuous throughout the boundary layer. It is shown that the implementation of the modification results in low-level winds and surface inflow angles in the storm?s eyewall region closer to observations.
    • Download: (1.910Mb)
    • Show Full MetaData Hide Full MetaData
    • Item Order
    • Go To Publisher
    • Price: 5000 Rial
    • Statistics

      Improving NCEP HWRF Simulations of Surface Wind and Inflow Angle in the Eyewall Area

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/4261378
    Collections
    • Weather and Forecasting

    Show full item record

    contributor authorWang, Weiguo
    contributor authorSippel, Jason A.
    contributor authorAbarca, Sergio
    contributor authorZhu, Lin
    contributor authorLiu, Bin
    contributor authorZhang, Zhan
    contributor authorMehra, Avichal
    contributor authorTallapragada, Vijay
    date accessioned2019-09-19T10:05:18Z
    date available2019-09-19T10:05:18Z
    date copyright4/5/2018 12:00:00 AM
    date issued2018
    identifier otherwaf-d-17-0115.1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4261378
    description abstractAbstractThis note describes a modification of the boundary layer parameterization scheme in the Hurricane Weather Research and Forecasting (HWRF) Model, which improves the simulations of low-level wind and surface inflow angle in the eyewall area and has been implemented in the HWRF system and used in the operational system since 2016. The modification is on an observation-based adjustment of eddy diffusivity previously implemented in the model. It is needed because the previous adjustment resulted in a discontinuity in the vertical distribution of eddy diffusivity near the surface-layer top, which increases the friction within the surface layer and compromises the surface-layer constant-flux assumption. The discontinuity affects the simulation of storm intensity and intensification, one of the main metrics of model performance, particularly in strong tropical cyclones. This issue is addressed by introducing a height-dependent adjustment so that the vertical profile of eddy diffusivity is continuous throughout the boundary layer. It is shown that the implementation of the modification results in low-level winds and surface inflow angles in the storm?s eyewall region closer to observations.
    publisherAmerican Meteorological Society
    titleImproving NCEP HWRF Simulations of Surface Wind and Inflow Angle in the Eyewall Area
    typeJournal Paper
    journal volume33
    journal issue3
    journal titleWeather and Forecasting
    identifier doi10.1175/WAF-D-17-0115.1
    journal fristpage887
    journal lastpage898
    treeWeather and Forecasting:;2018:;volume 033:;issue 003
    contenttypeFulltext
    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
    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