高壓勢力稍減弱~午後雷雨稍增多~102/08/06 - 颱風討論

By Connor
at 2013-08-06T19:29
at 2013-08-06T19:29
Table of Contents
如同先前預期的~高壓勢力在過去兩三天都蠻強的~
特別是昨天~高壓中心幾乎就在台灣上空~
不但是雲圖上的順時針旋轉中心明顯在台灣附近~
天氣圖上氣壓或位勢米高度的高點也在台灣~
因此昨天的午後雷雨也最少~
今天高壓中心開始北移~慢慢偏向東海上空~
午後雷雨又變的比較多了一些~
目前來看從明天周三(7號)開始高壓中心有繼續向北調整的趨勢~
高壓範圍也緩慢的順時針旋轉~台灣慢慢的會偏在高壓的西南側邊緣~
風向以東南風為主~水氣量稍微增多~
加上比較偏在高壓的邊緣~午後熱力對流的發展可能會再明顯一點點~
預估明天一直到周末期間(10~11號)在西半部山區午後都有熱對流雷雨機會~
對流發展後可能向西擴散~靠近山區的平地也會有降雨的現象~
不過比較明顯的雨勢應該還是會在山裡面~前往山區活動要特別注意~
下午出門的朋友也要多留意實際的天氣情況~還有雷達上的變化~
另外就是仍要做好防曬防中暑的準備~各地高溫持續上看33~36度以上~
先前通過菲律賓的擾動94W在今天升格為TD-10W
雖然已經接近越南到海南島一帶陸地~不過結構有持續好轉的趨勢~
仍有可能在今晚到明晨被升格為輕度颱風~
對台灣並無太明顯的影響~預定明後天要去海南島或廣西~越南的朋友則要多加注意~
未來幾天因為高壓中心向北調整~南邊讓出來的空間將逐漸加大~
低緯度熱帶洋面上的熱帶雲簇發展會持續活躍~
熱帶擾動也可能陸續出現~不過短時間內應該還沒有特別明顯的擾動系統~
周末開始在南海到菲律賓附近預估會有發展較好的擾動低壓建立~
暫時來說仍是以偏西向南海到華南沿海發展的機會較大~除非高壓北退的幅度更大一些~
可能要注意一下低壓北側的外圍環流雲系是否對迎風面地區造成影響~
下周來看隨著高壓脊的位置更往北調整到日本一帶~
南邊的季風槽位置也有更往北抬的趨勢~可能北抬到南海北部~台灣附近以及日本以南海域~
天氣會變的比較不穩定~下雨的機會提高~
另外也要留意槽中擾動的發展狀況~
現在要說擾動在哪裡發展可能還太早~有待觀察~
以上先簡單供參考囉~
--
特別是昨天~高壓中心幾乎就在台灣上空~
不但是雲圖上的順時針旋轉中心明顯在台灣附近~
天氣圖上氣壓或位勢米高度的高點也在台灣~
因此昨天的午後雷雨也最少~
今天高壓中心開始北移~慢慢偏向東海上空~
午後雷雨又變的比較多了一些~
目前來看從明天周三(7號)開始高壓中心有繼續向北調整的趨勢~
高壓範圍也緩慢的順時針旋轉~台灣慢慢的會偏在高壓的西南側邊緣~
風向以東南風為主~水氣量稍微增多~
加上比較偏在高壓的邊緣~午後熱力對流的發展可能會再明顯一點點~
預估明天一直到周末期間(10~11號)在西半部山區午後都有熱對流雷雨機會~
對流發展後可能向西擴散~靠近山區的平地也會有降雨的現象~
不過比較明顯的雨勢應該還是會在山裡面~前往山區活動要特別注意~
下午出門的朋友也要多留意實際的天氣情況~還有雷達上的變化~
另外就是仍要做好防曬防中暑的準備~各地高溫持續上看33~36度以上~
先前通過菲律賓的擾動94W在今天升格為TD-10W
雖然已經接近越南到海南島一帶陸地~不過結構有持續好轉的趨勢~
仍有可能在今晚到明晨被升格為輕度颱風~
對台灣並無太明顯的影響~預定明後天要去海南島或廣西~越南的朋友則要多加注意~
未來幾天因為高壓中心向北調整~南邊讓出來的空間將逐漸加大~
低緯度熱帶洋面上的熱帶雲簇發展會持續活躍~
熱帶擾動也可能陸續出現~不過短時間內應該還沒有特別明顯的擾動系統~
周末開始在南海到菲律賓附近預估會有發展較好的擾動低壓建立~
暫時來說仍是以偏西向南海到華南沿海發展的機會較大~除非高壓北退的幅度更大一些~
可能要注意一下低壓北側的外圍環流雲系是否對迎風面地區造成影響~
下周來看隨著高壓脊的位置更往北調整到日本一帶~
南邊的季風槽位置也有更往北抬的趨勢~可能北抬到南海北部~台灣附近以及日本以南海域~
天氣會變的比較不穩定~下雨的機會提高~
另外也要留意槽中擾動的發展狀況~
現在要說擾動在哪裡發展可能還太早~有待觀察~
以上先簡單供參考囉~
--
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