預報30年吳德榮退休 氣象局嘆國家損失 - 颱風討論

By Thomas
at 2009-10-07T22:45
at 2009-10-07T22:45
Table of Contents
預報30年吳德榮退休 氣象局嘆國家損失
更新日期:2009/10/07 21:18
(中央社記者陳舜協、汪淑芬台北7日電)芭瑪颱風遠離台灣,投身氣象預報30年的中央
氣象局預報中心主任吳德榮也辦退休。氣象局局長辛在勤表示,氣象預報重經驗和傳承,
吳德榮的退休是國家損失。
吳德榮8月底提出退休申請,時間點正是莫拉克颱風過後。其實,他這幾年對天氣預報大
環境愈來愈有無力感,莫拉克颱風造成88水災,外界責怪氣象局降雨預報不準,吳德榮深
感專業遭踐踏,決定求去。
此外,他也不能接受媒體對氣象預報斷章取義,沒有將氣象局提供的資料說清楚,或擅下
評論、誇大不實,但最後被認為有錯都是氣象局。
莫拉克颱風期間,電視台不斷播放美國CNN颱風預報比氣象局準,更讓吳德榮感慨,大家
願意相信國外媒體,卻不相信氣象局的專業。
從事氣象預報30年,吳德榮一再強調預報一定有誤差,多年來雖一再解釋,但發現所有誤
差好像都是氣象局的錯,問題重複發生,且情形愈來嚴重,有個性的他不想屈就大環境,
決定選擇離開。
吳德榮自中央大學大氣物理系畢業後,一頭栽進氣象預報工作,韋恩、象神、敏督利、納
莉等怪颱預報,無役不與。辛在勤與氣象局預報中心副主任林秀雯說,「他絕對是台灣氣
象預報的第一把交椅」。
辛在勤說,「科學數據沒有絕對值,只有相對值」,同樣的觀察、實驗,操作環境稍有不
同,都有可能出現天差地遠的數字,更何況是變數更多的大氣環境;「機器是死的,需要
靠人解讀,解讀需要靠經驗,吳德榮是最有經驗的人」。
林秀雯說,「氣象預報其實很像醫生開刀,開刀次數愈多,執刀就愈有自信,氣象預報也
一樣」。與吳德榮共事25年,林秀雯說,「吳德榮其實是她實務界的老師」。
林秀雯說,地球有2/3面積是海洋,要預報天氣,首先要知道現在的天氣狀況,而海洋上
的資料取得是有難度的,最難的是「就算取得所有資料,預報也會有誤差」;台灣的氣象
預報近年預報颱風準確度已不輸美、日,「吳德榮30年的功力對氣象局絕對是加分」。
以芭瑪颱風為例,早在米勒颱風與芭瑪颱風相距還有2500公里時,氣象局就預測會發生雙
颱相互作用的「藤原效應」,時機點就在米勒颱風逼近東經30度線時,芭瑪不是被牽引東
進、就是被逼轉向南,但當時不少學者認為「發生機會微乎其微」。事實證明,氣象局的
預測是對的,主導預報的就是吳德榮。981007
http://tw.news.yahoo.com/article/url/d/a/091007/5/1sj8x.html
--
更新日期:2009/10/07 21:18
(中央社記者陳舜協、汪淑芬台北7日電)芭瑪颱風遠離台灣,投身氣象預報30年的中央
氣象局預報中心主任吳德榮也辦退休。氣象局局長辛在勤表示,氣象預報重經驗和傳承,
吳德榮的退休是國家損失。
吳德榮8月底提出退休申請,時間點正是莫拉克颱風過後。其實,他這幾年對天氣預報大
環境愈來愈有無力感,莫拉克颱風造成88水災,外界責怪氣象局降雨預報不準,吳德榮深
感專業遭踐踏,決定求去。
此外,他也不能接受媒體對氣象預報斷章取義,沒有將氣象局提供的資料說清楚,或擅下
評論、誇大不實,但最後被認為有錯都是氣象局。
莫拉克颱風期間,電視台不斷播放美國CNN颱風預報比氣象局準,更讓吳德榮感慨,大家
願意相信國外媒體,卻不相信氣象局的專業。
從事氣象預報30年,吳德榮一再強調預報一定有誤差,多年來雖一再解釋,但發現所有誤
差好像都是氣象局的錯,問題重複發生,且情形愈來嚴重,有個性的他不想屈就大環境,
決定選擇離開。
吳德榮自中央大學大氣物理系畢業後,一頭栽進氣象預報工作,韋恩、象神、敏督利、納
莉等怪颱預報,無役不與。辛在勤與氣象局預報中心副主任林秀雯說,「他絕對是台灣氣
象預報的第一把交椅」。
辛在勤說,「科學數據沒有絕對值,只有相對值」,同樣的觀察、實驗,操作環境稍有不
同,都有可能出現天差地遠的數字,更何況是變數更多的大氣環境;「機器是死的,需要
靠人解讀,解讀需要靠經驗,吳德榮是最有經驗的人」。
林秀雯說,「氣象預報其實很像醫生開刀,開刀次數愈多,執刀就愈有自信,氣象預報也
一樣」。與吳德榮共事25年,林秀雯說,「吳德榮其實是她實務界的老師」。
林秀雯說,地球有2/3面積是海洋,要預報天氣,首先要知道現在的天氣狀況,而海洋上
的資料取得是有難度的,最難的是「就算取得所有資料,預報也會有誤差」;台灣的氣象
預報近年預報颱風準確度已不輸美、日,「吳德榮30年的功力對氣象局絕對是加分」。
以芭瑪颱風為例,早在米勒颱風與芭瑪颱風相距還有2500公里時,氣象局就預測會發生雙
颱相互作用的「藤原效應」,時機點就在米勒颱風逼近東經30度線時,芭瑪不是被牽引東
進、就是被逼轉向南,但當時不少學者認為「發生機會微乎其微」。事實證明,氣象局的
預測是對的,主導預報的就是吳德榮。981007
http://tw.news.yahoo.com/article/url/d/a/091007/5/1sj8x.html
--
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