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    Naval Research Laboratory Multiscale Targeting Guidance for T-PARC and TCS-08

    Source: Weather and Forecasting:;2009:;volume( 025 ):;issue: 002::page 526
    Author:
    Reynolds, Carolyn A.
    ,
    Doyle, James D.
    ,
    Hodur, Richard M.
    ,
    Jin, Hao
    DOI: 10.1175/2009WAF2222292.1
    Publisher: American Meteorological Society
    Abstract: As part of The Observing System Research and Predictability Experiment (THORPEX) Pacific Asian Regional Campaign (T-PARC) and the Office of Naval Research?s (ONR?s) Tropical Cyclone Structure-08 (TCS-08) experiments, a variety of real-time products were produced at the Naval Research Laboratory during the field campaign that took place from August through early October 2008. In support of the targeted observing objective, large-scale targeting guidance was produced twice daily using singular vectors (SVs) from the Navy Operational Global Atmospheric Prediction System (NOGAPS). These SVs were optimized for fixed regions centered over Guam, Taiwan, Japan, and two regions over the North Pacific east of Japan. During high-interest periods, flow-dependent SVs were also produced. In addition, global ensemble forecasts were produced and were useful for examining the potential downstream impacts of extratropical transitions. For mesoscale models, TC forecasts were produced using a new version of the Coupled Ocean?Atmosphere Mesoscale Prediction System (COAMPS) developed specifically for tropical cyclone prediction (COAMPS-TC). In addition to the COAMPS-TC forecasts, mesoscale targeted observing products were produced using the COAMPS forecast and adjoint system twice daily, centered on storms of interest, at a 40-km horizontal resolution. These products were produced with 24-, 36-, and 48-h lead times. The nonhydrostatic adjoint system used during T-PARC/TCS-08 contains an exact adjoint to the explicit microphysics. An adaptive response function region was used to target favorable areas for tropical cyclone formation and development. Results indicate that forecasts of tropical cyclones in the western Pacific are very sensitive to the initial state.
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      Naval Research Laboratory Multiscale Targeting Guidance for T-PARC and TCS-08

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4211480
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    contributor authorReynolds, Carolyn A.
    contributor authorDoyle, James D.
    contributor authorHodur, Richard M.
    contributor authorJin, Hao
    date accessioned2017-06-09T16:32:53Z
    date available2017-06-09T16:32:53Z
    date copyright2010/04/01
    date issued2009
    identifier issn0882-8156
    identifier otherams-69774.pdf
    identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4211480
    description abstractAs part of The Observing System Research and Predictability Experiment (THORPEX) Pacific Asian Regional Campaign (T-PARC) and the Office of Naval Research?s (ONR?s) Tropical Cyclone Structure-08 (TCS-08) experiments, a variety of real-time products were produced at the Naval Research Laboratory during the field campaign that took place from August through early October 2008. In support of the targeted observing objective, large-scale targeting guidance was produced twice daily using singular vectors (SVs) from the Navy Operational Global Atmospheric Prediction System (NOGAPS). These SVs were optimized for fixed regions centered over Guam, Taiwan, Japan, and two regions over the North Pacific east of Japan. During high-interest periods, flow-dependent SVs were also produced. In addition, global ensemble forecasts were produced and were useful for examining the potential downstream impacts of extratropical transitions. For mesoscale models, TC forecasts were produced using a new version of the Coupled Ocean?Atmosphere Mesoscale Prediction System (COAMPS) developed specifically for tropical cyclone prediction (COAMPS-TC). In addition to the COAMPS-TC forecasts, mesoscale targeted observing products were produced using the COAMPS forecast and adjoint system twice daily, centered on storms of interest, at a 40-km horizontal resolution. These products were produced with 24-, 36-, and 48-h lead times. The nonhydrostatic adjoint system used during T-PARC/TCS-08 contains an exact adjoint to the explicit microphysics. An adaptive response function region was used to target favorable areas for tropical cyclone formation and development. Results indicate that forecasts of tropical cyclones in the western Pacific are very sensitive to the initial state.
    publisherAmerican Meteorological Society
    titleNaval Research Laboratory Multiscale Targeting Guidance for T-PARC and TCS-08
    typeJournal Paper
    journal volume25
    journal issue2
    journal titleWeather and Forecasting
    identifier doi10.1175/2009WAF2222292.1
    journal fristpage526
    journal lastpage544
    treeWeather and Forecasting:;2009:;volume( 025 ):;issue: 002
    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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