天氣概況~2012/08/17~季風槽低壓帶~ - 颱風討論
By Leila
at 2012-08-17T09:23
at 2012-08-17T09:23
Table of Contents
讓各氣象單位以及預報模式灰頭土臉的啟德颱風終於撲向雷州半島~
預估今天就會很快的穿越雷州半島後繼續移向廣西一帶~
對港澳地區的威脅已經解除~
對台灣而言~颱風本身的影響也已經過去了~
不過隨之而來的就是季風槽低壓帶的停留~
目前台灣附近大致為偏南到東南風所影響~
在台灣東南東方還有一個季風槽內新生擾動96W出現~
整體位於一個水氣偏多~而且氣壓較低的不穩定環境中~
南部東南部東部為迎風面~一整天都有機會出現短暫陣雨的情況~
午後配合熱力的效果~對流在陸地上發展的程度會更加活躍~
各地都要留意中到大雷雨發生的機會~甚至雷雨胞還會持續到晚間~類似昨晚的雷雨~
南部地區在下半夜到清晨這段期間還要注意南風水氣是否跟陸風環流產生交互作用~
整體天氣不穩定~出門時最好能攜帶雨具~
特別是中午過後要出門的話~帶著雨具比較保險~
同時避免前往危險的山區~溪流邊以及低窪地區~
遇到大雷雨~尤其是瘋狂打雷的時候應該馬上躲避的安全的屋內~
這樣不穩定的天氣型態預估會持續到明後天的周末假期(18~19號)~
計畫安排活動的朋友最好能多注意可能遇到下雨的情況~
並且盡量不要入山~不然遇到大雷雨可能會蠻危險的~
台灣東南方的96W發展變化也要多注意~
目前來看它的渦度還很淺~而且環流還不明顯~範圍也不大~只能隱約可見LLCC存在~
不過因為它位於季風槽內~水氣豐沛~加上風切也不強~具有發展的條件~
距離台灣又很近~因此未來的變化需要密切觀察~
由於高壓擋在北邊的關係~96W短時間內預估會緩慢向西順著季風槽移動~
因為隔著季風槽這個大低壓區的關係~96W並未直接跟高壓接觸~引導力量不強~
所以速度不會太快~大致會走向台灣東南海面~
如果週末期間這個擾動沒有太大發展的話~對於天氣不至於造成很明顯的干擾~
持續會是低壓帶內不穩定的天氣型態~
但相對的如果它真的發展了~那麼很快就會影響台灣~變化可就比較大了~
下週一週二(20~21號)的天氣也跟96W有關~
目前因為發展變數還很大~一切先靜觀其變再說~
以上簡單供參考囉~
--
預估今天就會很快的穿越雷州半島後繼續移向廣西一帶~
對港澳地區的威脅已經解除~
對台灣而言~颱風本身的影響也已經過去了~
不過隨之而來的就是季風槽低壓帶的停留~
目前台灣附近大致為偏南到東南風所影響~
在台灣東南東方還有一個季風槽內新生擾動96W出現~
整體位於一個水氣偏多~而且氣壓較低的不穩定環境中~
南部東南部東部為迎風面~一整天都有機會出現短暫陣雨的情況~
午後配合熱力的效果~對流在陸地上發展的程度會更加活躍~
各地都要留意中到大雷雨發生的機會~甚至雷雨胞還會持續到晚間~類似昨晚的雷雨~
南部地區在下半夜到清晨這段期間還要注意南風水氣是否跟陸風環流產生交互作用~
整體天氣不穩定~出門時最好能攜帶雨具~
特別是中午過後要出門的話~帶著雨具比較保險~
同時避免前往危險的山區~溪流邊以及低窪地區~
遇到大雷雨~尤其是瘋狂打雷的時候應該馬上躲避的安全的屋內~
這樣不穩定的天氣型態預估會持續到明後天的周末假期(18~19號)~
計畫安排活動的朋友最好能多注意可能遇到下雨的情況~
並且盡量不要入山~不然遇到大雷雨可能會蠻危險的~
台灣東南方的96W發展變化也要多注意~
目前來看它的渦度還很淺~而且環流還不明顯~範圍也不大~只能隱約可見LLCC存在~
不過因為它位於季風槽內~水氣豐沛~加上風切也不強~具有發展的條件~
距離台灣又很近~因此未來的變化需要密切觀察~
由於高壓擋在北邊的關係~96W短時間內預估會緩慢向西順著季風槽移動~
因為隔著季風槽這個大低壓區的關係~96W並未直接跟高壓接觸~引導力量不強~
所以速度不會太快~大致會走向台灣東南海面~
如果週末期間這個擾動沒有太大發展的話~對於天氣不至於造成很明顯的干擾~
持續會是低壓帶內不穩定的天氣型態~
但相對的如果它真的發展了~那麼很快就會影響台灣~變化可就比較大了~
下週一週二(20~21號)的天氣也跟96W有關~
目前因為發展變數還很大~一切先靜觀其變再說~
以上簡單供參考囉~
--
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颱風
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