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    Advances in Chinese Dual-Polarization and Phased-Array Weather Radars: Observational Analysis of a Supercell in Southern China

    Source: Journal of Atmospheric and Oceanic Technology:;2018:;volume 035:;issue 009::page 1785
    Author:
    Wu, Chong
    ,
    Liu, Liping
    ,
    Liu, Xi
    ,
    Li, Guocui
    ,
    Chen, Chao
    DOI: 10.1175/JTECH-D-17-0078.1
    Publisher: American Meteorological Society
    Abstract: AbstractIn the summer of 2016, one phased-array radar and two polarimetric weather radars, representative of advancing radar technology in use in China, jointly collected data in the Foshan area to study severe convective storms in southern China. After an introduction to the technical characteristics and a verification of the radar calibration, the advantages of the abovementioned dual-polarization and phased-array radars are discussed in terms of an observational analysis of a supercell that occurred on 9 May 2016. The polarimetric signatures within the supercell are associated with specific microphysical processes that can reveal different stages of storm evolution. The hydrometeor classification algorithm is a more straightforward and useful method for nowcasting than conventional algorithms, which makes it favorable for further recommendation in China. During the mature and dissipating stages of this supercell, observations of the phased-array radar show detailed changes on short time scales that cannot be observed by parabolic-antenna radars. The initiation and mergers of new convective cells are found in the peak inflow region, and the formation and dissipation of the hook echo are associated with the relative intensities of inflow and outflow. The abovementioned results demonstrate that the phased-array radar and dual-polarization radars recently developed in China are powerful tools to better understand storm evolution for nowcasting and scientific studies.
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      Advances in Chinese Dual-Polarization and Phased-Array Weather Radars: Observational Analysis of a Supercell in Southern China

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4261032
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    contributor authorWu, Chong
    contributor authorLiu, Liping
    contributor authorLiu, Xi
    contributor authorLi, Guocui
    contributor authorChen, Chao
    date accessioned2019-09-19T10:03:19Z
    date available2019-09-19T10:03:19Z
    date copyright8/2/2018 12:00:00 AM
    date issued2018
    identifier otherjtech-d-17-0078.1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4261032
    description abstractAbstractIn the summer of 2016, one phased-array radar and two polarimetric weather radars, representative of advancing radar technology in use in China, jointly collected data in the Foshan area to study severe convective storms in southern China. After an introduction to the technical characteristics and a verification of the radar calibration, the advantages of the abovementioned dual-polarization and phased-array radars are discussed in terms of an observational analysis of a supercell that occurred on 9 May 2016. The polarimetric signatures within the supercell are associated with specific microphysical processes that can reveal different stages of storm evolution. The hydrometeor classification algorithm is a more straightforward and useful method for nowcasting than conventional algorithms, which makes it favorable for further recommendation in China. During the mature and dissipating stages of this supercell, observations of the phased-array radar show detailed changes on short time scales that cannot be observed by parabolic-antenna radars. The initiation and mergers of new convective cells are found in the peak inflow region, and the formation and dissipation of the hook echo are associated with the relative intensities of inflow and outflow. The abovementioned results demonstrate that the phased-array radar and dual-polarization radars recently developed in China are powerful tools to better understand storm evolution for nowcasting and scientific studies.
    publisherAmerican Meteorological Society
    titleAdvances in Chinese Dual-Polarization and Phased-Array Weather Radars: Observational Analysis of a Supercell in Southern China
    typeJournal Paper
    journal volume35
    journal issue9
    journal titleJournal of Atmospheric and Oceanic Technology
    identifier doi10.1175/JTECH-D-17-0078.1
    journal fristpage1785
    journal lastpage1806
    treeJournal of Atmospheric and Oceanic Technology:;2018:;volume 035:;issue 009
    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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