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    Interpretation of TRMM TMI Images of Tropical Cyclones

    Source: Earth Interactions:;2002:;volume( 006 ):;issue: 003::page 1
    Author:
    Lee, Thomas F.
    ,
    Turk, Francis J.
    ,
    Hawkins, Jeffrey
    ,
    Richardson, Kim
    DOI: 10.1175/1087-3562(2002)006<0001:IOTTIO>2.0.CO;2
    Publisher: American Meteorological Society
    Abstract: Images of the 85-GHz frequency from the Special Sensor Microwave Imager (SSM/I) aboard the Defense Meteorological Satellite Program (DMSP) spacecraft are routinely viewed by forecasters for tropical cyclone analyses. These images are valued because of their ability to observe tropical cyclone structure and to locate center positions. Images of lower-frequency SSM/I channels, such as 37 GHz, have poor quality due to the coarse spatial resolution, and therefore 85 GHz has become the de facto analysis standard. However, the Tropical Rainfall Measuring Mission (TRMM) Microwave Imager (TMI), launched in 1997, has much better spatial resolution for all channels than the SSM/I. Although originally designed to investigate precipitation for climate research, real-time images are now sent into tropical cyclone forecast offices, and posted to Web pages of the Naval Research Laboratory and the Fleet Numerical Meteorology and Oceanography Center, both in Monterey, California. TMI images of 37 GHz have a number of properties that make them useful complements to images of 85 GHz. They have the capacity to detect low-level circulation centers, which are sometimes unseen at 85 GHz. Also, because the 37-GHz channel generally senses atmospheric layers much nearer to the surface than 85 GHz, parallax error is less, allowing more accurate fixes. This paper presents several case studies comparing the two TMI frequencies and offers some forecasting guidelines for when to use each.
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      Interpretation of TRMM TMI Images of Tropical Cyclones

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4152844
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    contributor authorLee, Thomas F.
    contributor authorTurk, Francis J.
    contributor authorHawkins, Jeffrey
    contributor authorRichardson, Kim
    date accessioned2017-06-09T14:18:41Z
    date available2017-06-09T14:18:41Z
    date copyright2002/01/01
    date issued2002
    identifier otherams-17.pdf
    identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4152844
    description abstractImages of the 85-GHz frequency from the Special Sensor Microwave Imager (SSM/I) aboard the Defense Meteorological Satellite Program (DMSP) spacecraft are routinely viewed by forecasters for tropical cyclone analyses. These images are valued because of their ability to observe tropical cyclone structure and to locate center positions. Images of lower-frequency SSM/I channels, such as 37 GHz, have poor quality due to the coarse spatial resolution, and therefore 85 GHz has become the de facto analysis standard. However, the Tropical Rainfall Measuring Mission (TRMM) Microwave Imager (TMI), launched in 1997, has much better spatial resolution for all channels than the SSM/I. Although originally designed to investigate precipitation for climate research, real-time images are now sent into tropical cyclone forecast offices, and posted to Web pages of the Naval Research Laboratory and the Fleet Numerical Meteorology and Oceanography Center, both in Monterey, California. TMI images of 37 GHz have a number of properties that make them useful complements to images of 85 GHz. They have the capacity to detect low-level circulation centers, which are sometimes unseen at 85 GHz. Also, because the 37-GHz channel generally senses atmospheric layers much nearer to the surface than 85 GHz, parallax error is less, allowing more accurate fixes. This paper presents several case studies comparing the two TMI frequencies and offers some forecasting guidelines for when to use each.
    publisherAmerican Meteorological Society
    titleInterpretation of TRMM TMI Images of Tropical Cyclones
    typeJournal Paper
    journal volume6
    journal issue3
    journal titleEarth Interactions
    identifier doi10.1175/1087-3562(2002)006<0001:IOTTIO>2.0.CO;2
    journal fristpage1
    journal lastpage17
    treeEarth Interactions:;2002:;volume( 006 ):;issue: 003
    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