天氣速觀:西南季風增強影響加大,尤其北部南部 - 颱風討論
By Agatha
at 2017-06-16T11:04
at 2017-06-16T11:04
Table of Contents
天氣速觀:西南季風增強影響加大,尤其北部南部
這波滯留鋒持續影響台灣,
但西南季風強度不夠強,使台灣的降雨對比上一波梅雨鋒面小很多。
但仍不可大意,因為模式預報,今天起西南季風增強,
一波強勁降雨在台灣上空,尤其北部和南部。
前兩天的降雨儘管比預期緩和,但事實上雨勢仍不小,
西南季風比預期弱的原因,和太平洋高壓在低緯度西伸脫離不了關係。
但今天起太平洋高壓在低緯度勢力東退,
西南季風開始增強,且模式預報
在台灣北部有旋生現象,
因此,除迎風面南部外,北部也納入最強降雨區。
必須留意。
另外北方沒有阻塞高壓,但有阻塞脊,因此梅雨鋒面持續滯留
但一周尾聲似乎給了太平洋高壓西伸的空間了,後續持續觀察中。
目前開始要留意模式預報的紫色降雨了(北部紫色 南部紅色)
(快速說說,以上供參)
--
這波滯留鋒持續影響台灣,
但西南季風強度不夠強,使台灣的降雨對比上一波梅雨鋒面小很多。
但仍不可大意,因為模式預報,今天起西南季風增強,
一波強勁降雨在台灣上空,尤其北部和南部。
前兩天的降雨儘管比預期緩和,但事實上雨勢仍不小,
西南季風比預期弱的原因,和太平洋高壓在低緯度西伸脫離不了關係。
但今天起太平洋高壓在低緯度勢力東退,
西南季風開始增強,且模式預報
在台灣北部有旋生現象,
因此,除迎風面南部外,北部也納入最強降雨區。
必須留意。
另外北方沒有阻塞高壓,但有阻塞脊,因此梅雨鋒面持續滯留
但一周尾聲似乎給了太平洋高壓西伸的空間了,後續持續觀察中。
目前開始要留意模式預報的紫色降雨了(北部紫色 南部紅色)
(快速說說,以上供參)
--
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