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題名 | 民國94年颱風調查報告--第19號龍王(Longwang)颱風(0519)=Report on Typhoon 0519 (Longwang) of 2005 |
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作者 | 廖志翔; | 書刊名 | 氣象學報 |
卷期 | 46:2 民95.03 |
頁次 | 頁89-109 |
分類號 | 328.55 |
關鍵詞 | 雙眼牆; 焚風; 路徑預報誤差; Concentric eyewall; Foehn; Track forecast errors; |
語文 | 中文(Chinese) |
中文摘要 | 龍王(LONGWANG)颱風是民國94年在太平洋西部形成的第19個颱風,為當年第4侵台的颱風,也是該年繼海棠及泰利颱風後中心登陸台灣的強烈颱風。龍王颱風於9月26日00UTC在關島北方海面形成後,先以西北方向進行,隨後轉西北西移動,然後再以偏西方向行進,此期間其強度不斷地增強而達到強烈颱風強度,且在強烈颱風過程中,颱風中心出現雙眼牆結構。當龍王颱風於10月1日06UTC行進到花蓮東南方海面時,移動方向由偏西轉為西北西,颱風中心於2日5時15分從花蓮縣豐濱鄉附近登陸,之後通過中部地區,在2月10時左右由濁水溪口附近出海。 龍王颱風帶來之強勁風力及豐沛雨量,為台灣地區造成災情。在風力方面,台灣北部、東北部、東部及離島地區9金門除外),皆出現10級以上強陣風;尤其是花蓮達17級以上,創下花蓮氣象站自有觀測資料以來之紀錄。降雨方面,以花蓮及宜蘭山區為最多,北部山區及車南部山區亦有相當多的累積雨量。另外,龍王颱風也為台東地區帶來焚風現象。 在颱風路徑預報誤差校驗方面,中央氣象局24小時預報平均誤差為56公里,而48小時路徑預報平均誤差為99公里。 |
英文摘要 | Longwang, the nineteenth typhoon occurred in the western North Pacific Ocean in 2005, was the fourth one that invaded the Taiwan area. Typhoon Longwang originated over the northern sea of Guam at 00UTC 26 September in 2005. it moved northwestward firstly, than turned west-northwestward, and turned westward alter. During this time, it intensified and developed continuously into a typhoon, then reached its maximum intensity near the center with wind of 51m/s at 12UTc 29 September. It maintained this intensity till 21UTC 1 October. And in the process of typhoon intensity, a structure of concentric eyewall ever appeared. As it approached the eastsoutheast sea of Hualien at 06UTC 1 October, it changed toward westnorthwest and landed over Hualien county at 2115UtC 1 October. Longwang brought strong winds and torrential rain that caused damages in Taiwan area. During Longwang’s passage, the observation showed that very strong wind occurred around Taiwan, especially a peak gust of 64.9m/s at Hualien weather station. This has been the strongest on record at this station. Longwang also resulted in a large amount of precipitation in the mountain area of Hualien and Yilan. Additionally, Longwang caused a foehn phenomenon in Taitung area. Verification of the 24-hr and 48-hr official track forecast errors of CWB were 56km and 99km, respectively. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。