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    Please use this identifier to cite or link to this item: https://tkuir.lib.tku.edu.tw/dspace/handle/987654321/99218


    Title: 颱風強度預報及誤差不確定性之客觀預報指引開發
    Authors: TSAI, HSIAO-CHUNG;Russell L. Elsberry
    Contributors: 淡江大學水資源及環境工程學系
    Keywords: 颱風強度預報;預報不確定性;類比法;誤差校正
    Date: 2014-09-16
    Issue Date: 2014-10-19 22:34:01 (UTC+8)
    Abstract: 本研究採用JTWC之最佳路徑與官方預報資料,藉由類比歷史颱風個案之方式,開發颱風強度統計預報指引,並估計預報誤差之可能範圍(forecast spread),模式簡稱為WANI(Weighted ANalog Intensity prediction)。校驗結果顯示,在輸入資料僅有颱風預報路徑與目前颱風強度的條件之下,WANI可提供未來5天之颱風強度可能變化趨勢,120小時之平均絕對誤差(mean absolute error)較ST5D 減少約24%,預報偏差(bias)亦較小。此外,WANI之預報誤差可能範圍可有效涵蓋約68%之誤差。自2014年1月起,此預報模式已安裝於美軍聯合颱風警報中心進行實際預報測試。
    Relation: 103年天氣分析與預報研討會
    Appears in Collections:[Graduate Institute & Department of Water Resources and Environmental Engineering] Proceeding

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