11W(準尤特颱風)撲向呂宋島~102/08/09 - 颱風討論

By Olive
at 2013-08-09T22:21
at 2013-08-09T22:21
Table of Contents
等了一天~JMA居然還是沒升格~
白天結構可能差了一點~但是傍晚過後11W的外觀已經越來越好了~
原本以為晚間8點會命名~結果竟然沒有..XD
但是照現在來看也差不多了~凌晨2點那一報升格的機會非常高~
目前11W的LLCC蠻完整的~環流細小而緊密~對流持續爆發~旋轉明顯~
外圍的螺旋雨帶也逐漸建立中~加上環境良好~
應該是勢必會增強為颱風~成為今年的第11號颱風尤特~
北邊的太平洋高壓中心雖然逐漸北抬~但是南緣仍然擴展到巴士海峽一帶~
未來兩三天內高壓南緣的位置變化不大~
對於11W的引導還蠻明顯的~使其偏向西到西北西前進~
另外就是11W前方先行通過菲律賓的另一個擾動低壓(97W)
其實它跟11W是同一個大低壓帶中的系統~
未來對於11W的路徑也會有一定程度的影響~
預估97W進入南海後會減速~以一個較弱而寬闊的低壓環流形態存在~
等11W趨向呂宋島並且開始進入南海後~可能為了跟97W整合而更偏西一點移動~
最後兩者的整合環流中心應該會在南海中部一帶~
其實這樣的變化對台灣是比較有利的~讓11W一路西進而比較不會轉向台灣附近~
但是未來的變化仍是要密切觀察~
以現在的幾個預報模式資料來看~11W撲向台灣的機會不高~
應該是先經過呂宋島北部後進入南海的可能性大~
明後兩天(周末期間)對台灣並無影響~
台灣這邊仍是要注意午後雷雨的情況~山區有較大雨勢~
西半部平地要留意熱對流向西擴散可能造成的降雨~
下周一(12號)開始11W穿越呂宋島北部進入南海後~北側的環流逐漸影響東半部的天氣~
宜蘭花蓮台東以及恆春半島等地有降雨的機會~
西半部則持續是有午後雷雨的天氣~
下周二(13號)到周三(14號)11W預估會持續走向粵西至海南島一帶沿海~
此時隨著太平洋高壓南緣繼續北抬~整個季風槽將跟著向北調整上來~
台灣附近的水氣明顯增多~陷入低壓帶中也讓大氣不穩定~降雨的機會將會變的更高~
風向也將轉為西南風至偏南風~迎風的中部以南地區還有台東到花蓮一帶有短暫陣雨~
不排除有較大雨勢出現的情況~
中部以北到東北部地區則要注意午後雷雨~有較大雷雨的機會~
照現在的預報來看~季風槽低壓帶的影響可能會持續比較長的時間~
下周後期在季風槽東端~也就是在台灣以東到琉球一帶有另一個擾動醞釀的機會~
這一個系統倒是需要注意一下~醞釀地點越靠近台灣對天氣的影響越大~
目前還不是很確定~仍要再觀察~
以上簡單供參考囉~
--
白天結構可能差了一點~但是傍晚過後11W的外觀已經越來越好了~
原本以為晚間8點會命名~結果竟然沒有..XD
但是照現在來看也差不多了~凌晨2點那一報升格的機會非常高~
目前11W的LLCC蠻完整的~環流細小而緊密~對流持續爆發~旋轉明顯~
外圍的螺旋雨帶也逐漸建立中~加上環境良好~
應該是勢必會增強為颱風~成為今年的第11號颱風尤特~
北邊的太平洋高壓中心雖然逐漸北抬~但是南緣仍然擴展到巴士海峽一帶~
未來兩三天內高壓南緣的位置變化不大~
對於11W的引導還蠻明顯的~使其偏向西到西北西前進~
另外就是11W前方先行通過菲律賓的另一個擾動低壓(97W)
其實它跟11W是同一個大低壓帶中的系統~
未來對於11W的路徑也會有一定程度的影響~
預估97W進入南海後會減速~以一個較弱而寬闊的低壓環流形態存在~
等11W趨向呂宋島並且開始進入南海後~可能為了跟97W整合而更偏西一點移動~
最後兩者的整合環流中心應該會在南海中部一帶~
其實這樣的變化對台灣是比較有利的~讓11W一路西進而比較不會轉向台灣附近~
但是未來的變化仍是要密切觀察~
以現在的幾個預報模式資料來看~11W撲向台灣的機會不高~
應該是先經過呂宋島北部後進入南海的可能性大~
明後兩天(周末期間)對台灣並無影響~
台灣這邊仍是要注意午後雷雨的情況~山區有較大雨勢~
西半部平地要留意熱對流向西擴散可能造成的降雨~
下周一(12號)開始11W穿越呂宋島北部進入南海後~北側的環流逐漸影響東半部的天氣~
宜蘭花蓮台東以及恆春半島等地有降雨的機會~
西半部則持續是有午後雷雨的天氣~
下周二(13號)到周三(14號)11W預估會持續走向粵西至海南島一帶沿海~
此時隨著太平洋高壓南緣繼續北抬~整個季風槽將跟著向北調整上來~
台灣附近的水氣明顯增多~陷入低壓帶中也讓大氣不穩定~降雨的機會將會變的更高~
風向也將轉為西南風至偏南風~迎風的中部以南地區還有台東到花蓮一帶有短暫陣雨~
不排除有較大雨勢出現的情況~
中部以北到東北部地區則要注意午後雷雨~有較大雷雨的機會~
照現在的預報來看~季風槽低壓帶的影響可能會持續比較長的時間~
下周後期在季風槽東端~也就是在台灣以東到琉球一帶有另一個擾動醞釀的機會~
這一個系統倒是需要注意一下~醞釀地點越靠近台灣對天氣的影響越大~
目前還不是很確定~仍要再觀察~
以上簡單供參考囉~
--
Tags:
颱風
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