天氣小觀:南亞高壓開始發展,太平洋高壓想來台 - 颱風討論
By Doris
at 2017-05-01T15:25
at 2017-05-01T15:25
Table of Contents
天氣小觀:南亞高壓開始發展,太平洋高壓想來台
在大槽大脊的情況下,
冬季系統的攻勢讓人一下子彷彿入秋冬,
不過,接下來夏季系統的回擊力道會漸漸增強。
模式預報未來一周,太平洋高壓已經開始嘗試擁抱台灣,
更久遠的預報,一周過後有蒞臨台灣的趨勢。
在大氣高層。南亞高壓也開始在中南半島發展,
中南半島上的熱對流不斷出現。
不過由於太平洋高壓比較強勢,南海西南季風仍不見影子。
究竟是否會遲到,有待再觀察。
至於五月已經開始的梅雨季節,但梅雨鋒面還不明顯,
不過整體來看,
鋒面降雨還是不少,未來一周東亞西風帶仍有明顯波動,
模式預報,西風槽轉直對應地面高壓往南,地面鋒面通過台灣,
不過看來只是一個獨立的地面高壓南下帶來的東北風,降雨以東部為主,
並不是直接從蒙古/西伯利亞高壓帶來的正統東北季風,
上週追加的正統東北季風是大驚奇,正統東北季風沒意外要等到九月以後了。
未來一周尾聲,東亞高空大氣環境已經由大槽大脊環境轉為短波槽脊,
混亂的高空場,是東亞梅雨季前的氣候特徵。
因此,還是能期待梅雨鋒面來臨,只是西南季風要爆發還得等太平洋高壓東退。
未來一周,由於太平洋高壓嘗試回歸,再加上一波地面高壓與東北風南下,
台灣附近的風場都是混亂的偏東風,
因此模式預報,東半部的降雨較多,比西半部不穩定。
(快速說說,以上供參囉)
--
在大槽大脊的情況下,
冬季系統的攻勢讓人一下子彷彿入秋冬,
不過,接下來夏季系統的回擊力道會漸漸增強。
模式預報未來一周,太平洋高壓已經開始嘗試擁抱台灣,
更久遠的預報,一周過後有蒞臨台灣的趨勢。
在大氣高層。南亞高壓也開始在中南半島發展,
中南半島上的熱對流不斷出現。
不過由於太平洋高壓比較強勢,南海西南季風仍不見影子。
究竟是否會遲到,有待再觀察。
至於五月已經開始的梅雨季節,但梅雨鋒面還不明顯,
不過整體來看,
鋒面降雨還是不少,未來一周東亞西風帶仍有明顯波動,
模式預報,西風槽轉直對應地面高壓往南,地面鋒面通過台灣,
不過看來只是一個獨立的地面高壓南下帶來的東北風,降雨以東部為主,
並不是直接從蒙古/西伯利亞高壓帶來的正統東北季風,
上週追加的正統東北季風是大驚奇,正統東北季風沒意外要等到九月以後了。
未來一周尾聲,東亞高空大氣環境已經由大槽大脊環境轉為短波槽脊,
混亂的高空場,是東亞梅雨季前的氣候特徵。
因此,還是能期待梅雨鋒面來臨,只是西南季風要爆發還得等太平洋高壓東退。
未來一周,由於太平洋高壓嘗試回歸,再加上一波地面高壓與東北風南下,
台灣附近的風場都是混亂的偏東風,
因此模式預報,東半部的降雨較多,比西半部不穩定。
(快速說說,以上供參囉)
--
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