Re: [新聞] (哈哈DICB說自家資料是外國資料)王定宇提颱風假補班 網消失
噓 DICB: 美國和日本都無法100%準確,你是看過那次颱風有參考國外
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09/29 10:24,
09/29 10:24
追風計畫官網:
http://typhoon.as.ntu.edu.tw/DOTSTAR/tw/intro/intro.php
內文摘錄:
侵台颱風之飛機偵察及投落送觀測實驗(Dropwindsonde Observation for Typhoon
Surveillance near the TAiwan Region (DOTSTAR)),又名追風計畫。有鑑於歷年颱
風屢屢造成台灣地區重大災害,颱風研究的重要性不容小覷,國科會於2002年8月起提供
補助,進行由台灣大學大氣科學系吳俊傑教授主持的「颱風重點研究」(Priority
Typhoon Research)。此研究是一跨部會、臺美兩國跨國合作、並由我國研究人員主導的
國際研究計畫,首要研究項目是以「全球衛星定位式投落送」(GPS Dropsonde)進行飛
機觀測,可望增進學界對於颱風動力理論的瞭解,提高颱風路徑的預報準確度,並將台灣
在國際颱風研究領域中帶入新的里程碑,扮演西北太平洋及東亞地區颱風研究的領導角色
。
#1Nx2ZRAz (TY_Research)
作者 zonslan (困難不應退) 看板 TY_Research
標題 Re: [新聞] 梅姬半天假爭議 又怪預報不準 氣象局:被
時間 Thu Sep 29 04:32:23 2016
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幾年前有聽過一個追風計畫的演講
追風計畫可以補足一點模式初始場資料的不足問題
因廣大太平洋海域中 沒有太多的觀測點 模式的初始資料大部分是算出來的
當時印象最深刻的是追風計畫用在2009年的盧碧颱風
http://agora.ex.nii.ac.jp/digital-typhoon/summary/wnp/s/200920.html.en
不知大家對這颱風還有沒有印象?
原本數值預報大致上認為盧碧會穿越呂宋北部或巴士海峽南部進入南海
並和北方東北季風明顯共伴
但忽然之間 數值預報翻盤 盧碧的預報路徑變成北轉且遠離台灣
就是餵進了追風計畫的資料
最後盧碧也正如這些數值的預報真的轉向東北 轉彎轉得非常硬
在網路上找到一篇論文 關於追風計畫資料改進數值預報 有興趣的板友可以參考參考
http://journals.ametsoc.org/doi/pdf/10.1175/2010MWR3582.1
裡面有很多2008年辛樂克颱風的case 這也是當時非常麻煩的一個颱風
===============================================================================
國內資料被說成國外資料,DICB真強
而且之前預測都有採用追風計畫的數據唷,啾咪
你認為這次沒採用是缺經費?那氣象局應該不是繼續裝死而是討經費吧?
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※ 編輯: ilovekurumi (140.118.147.47), 09/29/2016 11:21:38
※ 編輯: ilovekurumi (140.118.147.47), 09/29/2016 11:22:49
※ 編輯: ilovekurumi (140.118.147.47), 09/29/2016 11:28:25
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