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    Observational Analyses of North Atlantic Tropical Cyclones from NOAA Polar-Orbiting Satellite Microwave Data

    Source: Journal of Applied Meteorology:;1989:;volume( 028 ):;issue: 001::page 59
    Author:
    Velden, Christopher S.
    DOI: 10.1175/1520-0450(1989)028<0059:OAONAT>2.0.CO;2
    Publisher: American Meteorological Society
    Abstract: Passive microwave observations from the current NOAA series of polar-orbiting satellites of a large sample of North Atlantic tropical cyclones are qualitatively and quantitatively analyzed. Microwave observations can penetrate the cloud cover associated with tropical cyclones and capture the upper-level warm temperature anomaly, which is characteristic of these storms. The data are used to develop a statistical algorithm for estimating surface intensity. Based upon hydrostatic assumptions, linear regression relationships are developed between the satellite-depicted horizontal temperature gradient of the upper-level warm core (?T250), and the surface intensity (?PSFC) as measured by reconnaissance reports. A good correlation is found to exist. Results indicate that standard errors of estimate of 8 mb and 13 kts are found for surface pressure and maximum winds, respectively. These errors are reduced when the effects of storm latitude, eye size, and surface-pressure tendency on the relationship are included. Knowledge gained in examining the accuracies and limitations of the current microwave sounders in tropical cyclone applications will be helpful in setting quantitative observational guidelines for future instruments.
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      Observational Analyses of North Atlantic Tropical Cyclones from NOAA Polar-Orbiting Satellite Microwave Data

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4146633
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    contributor authorVelden, Christopher S.
    date accessioned2017-06-09T14:02:36Z
    date available2017-06-09T14:02:36Z
    date copyright1989/01/01
    date issued1989
    identifier issn0894-8763
    identifier otherams-11408.pdf
    identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4146633
    description abstractPassive microwave observations from the current NOAA series of polar-orbiting satellites of a large sample of North Atlantic tropical cyclones are qualitatively and quantitatively analyzed. Microwave observations can penetrate the cloud cover associated with tropical cyclones and capture the upper-level warm temperature anomaly, which is characteristic of these storms. The data are used to develop a statistical algorithm for estimating surface intensity. Based upon hydrostatic assumptions, linear regression relationships are developed between the satellite-depicted horizontal temperature gradient of the upper-level warm core (?T250), and the surface intensity (?PSFC) as measured by reconnaissance reports. A good correlation is found to exist. Results indicate that standard errors of estimate of 8 mb and 13 kts are found for surface pressure and maximum winds, respectively. These errors are reduced when the effects of storm latitude, eye size, and surface-pressure tendency on the relationship are included. Knowledge gained in examining the accuracies and limitations of the current microwave sounders in tropical cyclone applications will be helpful in setting quantitative observational guidelines for future instruments.
    publisherAmerican Meteorological Society
    titleObservational Analyses of North Atlantic Tropical Cyclones from NOAA Polar-Orbiting Satellite Microwave Data
    typeJournal Paper
    journal volume28
    journal issue1
    journal titleJournal of Applied Meteorology
    identifier doi10.1175/1520-0450(1989)028<0059:OAONAT>2.0.CO;2
    journal fristpage59
    journal lastpage70
    treeJournal of Applied Meteorology:;1989:;volume( 028 ):;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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