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    A Comparison of Precipitation Occurrence from the NCEP Stage IV QPE Product and the CloudSat Cloud Profiling Radar

    Source: Journal of Hydrometeorology:;2013:;Volume( 015 ):;issue: 001::page 444
    Author:
    Smalley, Mark
    ,
    L'Ecuyer, Tristan
    ,
    Lebsock, Matthew
    ,
    Haynes, John
    DOI: 10.1175/JHM-D-13-048.1
    Publisher: American Meteorological Society
    Abstract: ecause of its extensive quality control procedures and uniform space?time grid, the NCEP Stage IV merged Weather Surveillance Radar-1988 Doppler (WSR-88D) radar and surface rain gauge dataset is often considered to be the best long-term gridded dataset of precipitation observations covering the contiguous United States. Stage IV accumulations are employed in a variety of applications, and while the WSR-88D systems are well suited for observing heavy rain events that are likely to affect flooding, limitations in surface radar and gauge measurements can result in missed precipitation, especially near topography and in the western United States. This paper compares hourly Stage IV observations of precipitation occurrence to collocated observations from the 94-GHz CloudSat Cloud Profiling Radar, which provides excellent sensitivity to light and frozen precipitation. Statistics from 4 yr of comparisons show that the CloudSat observes precipitation considerably more frequently than the Stage IV dataset, especially in northern states where frozen precipitation is prevalent in the cold season. The skill of Stage IV for precipitation detection is found to decline rapidly when the near-surface air temperature falls below 0°C. As a result, agreement between Stage IV and CloudSat tends to be best in the southeast, where radar coverage is good and moderate-to-heavy liquid precipitation dominates. Stage IV and CloudSat precipitation detection characteristics are documented for each of the individual river forecast centers that contribute to the Stage IV dataset to provide guidance regarding potential sampling biases that may impact hydrologic applications.
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      A Comparison of Precipitation Occurrence from the NCEP Stage IV QPE Product and the CloudSat Cloud Profiling Radar

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4225074
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    contributor authorSmalley, Mark
    contributor authorL'Ecuyer, Tristan
    contributor authorLebsock, Matthew
    contributor authorHaynes, John
    date accessioned2017-06-09T17:15:39Z
    date available2017-06-09T17:15:39Z
    date copyright2014/02/01
    date issued2013
    identifier issn1525-755X
    identifier otherams-82007.pdf
    identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4225074
    description abstractecause of its extensive quality control procedures and uniform space?time grid, the NCEP Stage IV merged Weather Surveillance Radar-1988 Doppler (WSR-88D) radar and surface rain gauge dataset is often considered to be the best long-term gridded dataset of precipitation observations covering the contiguous United States. Stage IV accumulations are employed in a variety of applications, and while the WSR-88D systems are well suited for observing heavy rain events that are likely to affect flooding, limitations in surface radar and gauge measurements can result in missed precipitation, especially near topography and in the western United States. This paper compares hourly Stage IV observations of precipitation occurrence to collocated observations from the 94-GHz CloudSat Cloud Profiling Radar, which provides excellent sensitivity to light and frozen precipitation. Statistics from 4 yr of comparisons show that the CloudSat observes precipitation considerably more frequently than the Stage IV dataset, especially in northern states where frozen precipitation is prevalent in the cold season. The skill of Stage IV for precipitation detection is found to decline rapidly when the near-surface air temperature falls below 0°C. As a result, agreement between Stage IV and CloudSat tends to be best in the southeast, where radar coverage is good and moderate-to-heavy liquid precipitation dominates. Stage IV and CloudSat precipitation detection characteristics are documented for each of the individual river forecast centers that contribute to the Stage IV dataset to provide guidance regarding potential sampling biases that may impact hydrologic applications.
    publisherAmerican Meteorological Society
    titleA Comparison of Precipitation Occurrence from the NCEP Stage IV QPE Product and the CloudSat Cloud Profiling Radar
    typeJournal Paper
    journal volume15
    journal issue1
    journal titleJournal of Hydrometeorology
    identifier doi10.1175/JHM-D-13-048.1
    journal fristpage444
    journal lastpage458
    treeJournal of Hydrometeorology:;2013:;Volume( 015 ):;issue: 001
    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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