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    SSM/I Observations of ERICA IOP 4 Marine Cyclone: A Comparison with In Situ Observations and Model Simulation

    Source: Monthly Weather Review:;1993:;volume( 121 ):;issue: 009::page 2452
    Author:
    Chang, Simon W.
    ,
    Alliss, Randall J.
    ,
    Raman, Sethu
    ,
    Shi, Jainn-Jong
    DOI: 10.1175/1520-0493(1993)121<2452:SOOEIM>2.0.CO;2
    Publisher: American Meteorological Society
    Abstract: Fields of rainfall rates, integrated water vapor (IWV), and marine surface wind speeds retrieved by the Special Sensor Microwave/Imager (SSM/I) during the intensive observational period 4 on 4 January 1989 of the Experiment on Rapidly Intensifying Cyclones over the Atlantic (ERICA) were analyzed. Subjectively analyzed and model-simulated frontal structures were used to examine the spatial relationship of the SSM/I observed fields to the rapidly intensifying storm and the associated fronts. Qualitative and quantitative comparisons of SSM/I retrievals with GOES imagery, conventional observations, and results produced from the Naval Research Laboratory's (NRL) limited-area numerical model were also made. SSM/I rainfall was found along the cold and warm fronts, with heavy precipitation within frontal bands. The spatial pattern and characteristics of SSM/I precipitation closely resembled those simulated by the model. Both the warm and the cold front were found to be located near the area of the strongest gradient in IWV. In the warm sector, areas of IWV greater than 40 mm were found, an amount supported by model simulations. Both SSM/I rain rate and IWV distribution were found to be useful in locating the cold and warm fronts. There was good agreement on the relationship of frontal locations to the precipitation patterns and IWV gradients. Most of the high-wind area near the storm center was obscured by clouds for marine surface wind retrieval. SSM/I-retrieved marine surface winds outside the cloud shield (flag 0) were compared to ship- and buoy-reported winds. It was found that the retrieved wind estimates were within 0?3 m s?1 of in situ observation over areas of slow wind shifts. The errors became larger in regions of rapid wind shifts.
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      SSM/I Observations of ERICA IOP 4 Marine Cyclone: A Comparison with In Situ Observations and Model Simulation

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/4203129
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    • Monthly Weather Review

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    contributor authorChang, Simon W.
    contributor authorAlliss, Randall J.
    contributor authorRaman, Sethu
    contributor authorShi, Jainn-Jong
    date accessioned2017-06-09T16:09:34Z
    date available2017-06-09T16:09:34Z
    date copyright1993/09/01
    date issued1993
    identifier issn0027-0644
    identifier otherams-62257.pdf
    identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4203129
    description abstractFields of rainfall rates, integrated water vapor (IWV), and marine surface wind speeds retrieved by the Special Sensor Microwave/Imager (SSM/I) during the intensive observational period 4 on 4 January 1989 of the Experiment on Rapidly Intensifying Cyclones over the Atlantic (ERICA) were analyzed. Subjectively analyzed and model-simulated frontal structures were used to examine the spatial relationship of the SSM/I observed fields to the rapidly intensifying storm and the associated fronts. Qualitative and quantitative comparisons of SSM/I retrievals with GOES imagery, conventional observations, and results produced from the Naval Research Laboratory's (NRL) limited-area numerical model were also made. SSM/I rainfall was found along the cold and warm fronts, with heavy precipitation within frontal bands. The spatial pattern and characteristics of SSM/I precipitation closely resembled those simulated by the model. Both the warm and the cold front were found to be located near the area of the strongest gradient in IWV. In the warm sector, areas of IWV greater than 40 mm were found, an amount supported by model simulations. Both SSM/I rain rate and IWV distribution were found to be useful in locating the cold and warm fronts. There was good agreement on the relationship of frontal locations to the precipitation patterns and IWV gradients. Most of the high-wind area near the storm center was obscured by clouds for marine surface wind retrieval. SSM/I-retrieved marine surface winds outside the cloud shield (flag 0) were compared to ship- and buoy-reported winds. It was found that the retrieved wind estimates were within 0?3 m s?1 of in situ observation over areas of slow wind shifts. The errors became larger in regions of rapid wind shifts.
    publisherAmerican Meteorological Society
    titleSSM/I Observations of ERICA IOP 4 Marine Cyclone: A Comparison with In Situ Observations and Model Simulation
    typeJournal Paper
    journal volume121
    journal issue9
    journal titleMonthly Weather Review
    identifier doi10.1175/1520-0493(1993)121<2452:SOOEIM>2.0.CO;2
    journal fristpage2452
    journal lastpage2464
    treeMonthly Weather Review:;1993:;volume( 121 ):;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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