TD-14W-0827 - 颱風討論
By Margaret
at 2008-08-28T01:14
at 2008-08-28T01:14
Table of Contents
在台中出差~一直都沒能好好的來看14W
幸好過去這一天14W並沒有太驚奇的演出~大致如預期的朝西北往巴士海峽移動
強度方面也跟昨晚講得一樣~受到LLCC外露的影響而發展的很辛苦
週邊的大氣環境其實一直都不是很適合擾動系統的發展
14W能夠一度成長起來已經相當不容易(最初還以為它不成氣候..XD )
大環境方面來看高壓已經分成兩部分
弱點在台灣附近
隨著西風槽進入東海黃海並且繼續東移
西環高壓慢慢的往西調整
東環副高壓主體則變成14W較明顯的引導力量
特別是入夜後似乎更為明顯
14W逐漸繞過呂宋島東北角後轉為偏北移動
午夜的雲圖來看LLCC已經開始進入巴士海峽
預期14W將繼續被東環高壓引導北上~大致以北北西的方向移動
緩慢靠近恆春以南海面
不過西環高壓仍有一定的牽制力量~因此速度應該不會太快
明天(28號)隨著西風槽東移減弱~西環高壓的牽制力量可能逐漸加強
14W預估會在巴士海峽陷入鞍場內
移動緩慢而且方向變化較大
結構則可能會有重組的機會~特別是LLCC如果能離開呂宋較遠的話
強對流雲團有可能在LLCC周圍再度出現
發展為颱風的機會應該不大~目前各單位也大多不看好~但是仍有待觀察
長遠來看究竟是北上還是滯留後重新偏西還要看後續的環境變化而定
特別是週末期間下一波較強的西風槽東移配合鋒面靠近台灣
是否跟14W的互動很值得留意
如果14W能早點減弱或離開自然是最好
如果鋒面到了它還在台灣以南亂飄~對天氣的影響可就比較大了
明天(28號)它逐漸進入巴士海峽
外圍環流可能影響東南部以及恆春半島~帶來一些短暫陣雨
南邊海面的風浪也將明顯增強
北部東北部東部則受到鋒面殘留雲系的影響
雲量仍多~並且仍有局部短暫雨或午後熱對流發展降雨的機會
高溫應該還是較低的情況
今天(27號)台北的高溫已經掉到31.9度~前一天還有36.8度
預估明天應該還是高溫較低的一天
中南部則還是較為炎熱而且天氣較好的型態
只有山區會有午後熱對流發展降雨
以上簡單先供參考囉~
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Tags:
颱風
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