天氣小觀:西風槽轉活躍,梅雨鋒面南移 - 颱風討論

By Lauren
at 2015-06-29T22:46
at 2015-06-29T22:46
Table of Contents
天氣小觀:西風槽轉活躍,梅雨鋒面南移
(以下白話說明)
從模式預報來看,大氣變化真的很不一樣,
即將進入盛夏七月,
不過北方的西風槽此時竟然活躍起來,
未來一周,中緯度西風系統發動攻勢,將梅雨鋒面往南壓,
逐漸接近台灣,甚至模式認為可能影響到台灣北部,造成降雨。
神奇[email protected]@
冷空氣從北極進入西伯利亞,東北亞的高空冷渦旋不斷疊加,
延伸的西風槽步步進逼,迫使太平洋高壓東退,
地面的高壓率東北風步步向南推使梅雨鋒面南移。
預報一周後,偏北風占上風,台灣風向由西南風轉為東北風。
溫度稍微舒適,不至於太炎熱。
有的模式甚至還跑出850帕15度線接近台灣北部。
七月起的冬季系統似乎有點[email protected]@
之後的狀況還有待觀察。
至於菲律賓東方擾動,未來一周,似乎還看不出颱風影響台灣。
不過因為北方西風槽強勢起來,太平洋高壓偏弱,
因此形成颱風後北轉機會似乎很高。
(以上供參囉)
--
(以下白話說明)
從模式預報來看,大氣變化真的很不一樣,
即將進入盛夏七月,
不過北方的西風槽此時竟然活躍起來,
未來一周,中緯度西風系統發動攻勢,將梅雨鋒面往南壓,
逐漸接近台灣,甚至模式認為可能影響到台灣北部,造成降雨。
神奇[email protected]@
冷空氣從北極進入西伯利亞,東北亞的高空冷渦旋不斷疊加,
延伸的西風槽步步進逼,迫使太平洋高壓東退,
地面的高壓率東北風步步向南推使梅雨鋒面南移。
預報一周後,偏北風占上風,台灣風向由西南風轉為東北風。
溫度稍微舒適,不至於太炎熱。
有的模式甚至還跑出850帕15度線接近台灣北部。
七月起的冬季系統似乎有點[email protected]@
之後的狀況還有待觀察。
至於菲律賓東方擾動,未來一周,似乎還看不出颱風影響台灣。
不過因為北方西風槽強勢起來,太平洋高壓偏弱,
因此形成颱風後北轉機會似乎很高。
(以上供參囉)
--
Tags:
颱風
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