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    August 09

    八八水災重創南台

    八八水災重創南台
    • 2009-08-09
    • 中國時報
    • 【陳至中/台北報導】

         颱風莫拉克不但重創南台灣,更已在史上留名!莫拉克最強時雖只是中度颱風,但「八八水災」的雨量卻超過五十年前的「八七水災」,降雨量達到台灣有自動測站以來的歷史新高點。截至八日晚間十一時十分,氣象局於屏東縣三地門鄉的尾寮山測站測得的單日累積雨量已達一四○三毫米,登上歷史排行榜第一名。

         不僅如此,在歷史單日累積雨量的前十名,莫拉克更一舉占了九個,使整個排行榜大洗牌,莫拉克的威力由此可見。

         在莫拉克之前,這項紀錄的第一名寶座是花蓮布洛灣在八十六年八月二十九日締造的一二二二.五毫米,當時是受到「雙颱」安珀及卡絲影響。而今年的莫拉克颱風,在七日就有一個測站(屏東上德文)單日累積雨量破千毫米,一舉爬上排行榜第七名。正當大家仍遺悸猶存的時候,隔一天紀錄又被刷新,全台共有十四個測站破千,恐會形成一個牢不可破的「莫拉克障礙」。

         有鑑於此,氣象局已於昨日下午將嘉、南、高、屏的累積雨量上修至二千五百毫米。這雨量有多大?台灣平地平均年雨量也不過是兩千五百毫米,山區則約四千毫米,莫拉克在南部用三天,就下了相當於山區半年的雨。

         氣象局颱風及劇烈天氣課課長陳怡良表示,莫拉克能有如此能耐,主要是因為其由大範圍的環流形成,且速度較為緩慢,由東南向西北行經台灣時,受到山區地形阻擋,在西南部、南部造成劇烈的降雨。

         莫拉克還打破另一個紀錄。九十五年的賀伯橫掃台灣,創下兩日累積雨量一九八六.五毫米,截至昨天晚上八時,莫拉克已達到二一○三.五毫米,遠遠將賀伯拋在後頭。但南台灣還在下大雨,若照氣象局預估,莫拉克的雨量將直逼二五○○豪米。

         氣象局在昨天的颱風警報罕見以「驚人」形容這次的雨量,預測苗栗和中部山區在未來二十四小時,還會有二百至四百毫米的降雨,平地一百至二百五十毫米,超過二百毫米就是定義上的「大豪雨」,民眾千萬不要掉以輕心。

    Comments (3)

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    vesselwrote:
    I also think of you guys in Taiwan esp those from southern part when I watched the TV news, feel sorry to hear about the disaster. Hope everything is under controlled now.
    Aug. 10
    Luke Hsiehwrote:
    南部好慘說~~feel sad for those who are suffering...:(
    Aug. 9
    八月七日雨已經下得很大,說是八七水災五十週年。突然想到你舅舅曾告訴我八七水災那天就是他生日,但還是沒打電話問候他,有點歹勢。
    Aug. 9

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