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    Diagnosis of Vertical Motion from VAS Retrievals

    Source: Journal of Climate and Applied Meteorology:;1987:;Volume( 026 ):;Issue: 012::page 1655
    Author:
    Fuelberg, Henry E.
    ,
    Funk, Theodore W.
    DOI: 10.1175/1520-0450(1987)026<1655:DOVMFV>2.0.CO;2
    Publisher: American Meteorological Society
    Abstract: Satellite-derived temperature profiles are used to determine if reliable estimates of synoptic-scale vertical motion can be obtained from the adiabatic, vorticity, and omega equation techniques. The period of study contains a short-wave trough over the Midwest and a convective outbreak over the middle Mississippi River Valley. Satellite soundings are available at 1?3 h intervals at five times. The emphasis is on assessing the strengths and weaknesses of the three vertical motion procedures and determining the effects of short-interval observations on the calculations. Results show that the quasi-geostrophic omega equation provided patterns and magnitudes most consistent with observed weather events and 12 h radiosonde-derived motions. The vorticity method produced less satisfactory results, while adiabatic motions were unacceptable. The time derivative term dominated adiabatic motions and was a major influence in the vorticity method. Unrealistic temperature tendencies resulted from the retrieval algorithm; i.e., a diurnal temperature bias extended upwards to 500 mb, and there was a compensating effect at higher levels.
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      Diagnosis of Vertical Motion from VAS Retrievals

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4146477
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    contributor authorFuelberg, Henry E.
    contributor authorFunk, Theodore W.
    date accessioned2017-06-09T14:02:05Z
    date available2017-06-09T14:02:05Z
    date copyright1987/12/01
    date issued1987
    identifier issn0733-3021
    identifier otherams-11268.pdf
    identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4146477
    description abstractSatellite-derived temperature profiles are used to determine if reliable estimates of synoptic-scale vertical motion can be obtained from the adiabatic, vorticity, and omega equation techniques. The period of study contains a short-wave trough over the Midwest and a convective outbreak over the middle Mississippi River Valley. Satellite soundings are available at 1?3 h intervals at five times. The emphasis is on assessing the strengths and weaknesses of the three vertical motion procedures and determining the effects of short-interval observations on the calculations. Results show that the quasi-geostrophic omega equation provided patterns and magnitudes most consistent with observed weather events and 12 h radiosonde-derived motions. The vorticity method produced less satisfactory results, while adiabatic motions were unacceptable. The time derivative term dominated adiabatic motions and was a major influence in the vorticity method. Unrealistic temperature tendencies resulted from the retrieval algorithm; i.e., a diurnal temperature bias extended upwards to 500 mb, and there was a compensating effect at higher levels.
    publisherAmerican Meteorological Society
    titleDiagnosis of Vertical Motion from VAS Retrievals
    typeJournal Paper
    journal volume26
    journal issue12
    journal titleJournal of Climate and Applied Meteorology
    identifier doi10.1175/1520-0450(1987)026<1655:DOVMFV>2.0.CO;2
    journal fristpage1655
    journal lastpage1670
    treeJournal of Climate and Applied Meteorology:;1987:;Volume( 026 ):;Issue: 012
    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
    yabeshDSpacePersian