天氣小觀:後期太平洋高壓北移日本,東風吹來 - 颱風討論
By Hardy
at 2019-07-25T15:05
at 2019-07-25T15:05
Table of Contents
天氣小觀:一週後期,太平洋高壓北移日本,東風吹來了
一年之中的太平洋高壓最北的時節要來了,
也就是東北亞熱浪季,台灣颱風季開始。
模式預報,一週後期,太平洋高壓壟罩日本開始。
這節氣,正是大暑。
每年7月23日前後開始進入大暑,
不只東亞,北半球的高溫也開始飆起,
在美洲的墨西哥到賭城拉斯維加斯的熱浪,
在非洲撒哈拉沙漠的熱浪讓西非爆熱,
在中東到南亞喜馬拉雅山南麓的世界最熱浪,一路連到新疆、甘肅的。
東亞也由太平洋高壓伸入控制下。
對台灣來說,
今天太平洋高壓的西側分裂反氣旋單體通過台灣進入東亞,
因此午後雷陣雨減少一些,
明天起又重新增強,一週後期偏東風進來,
背風渦流的雷雨區移到中南部地區。
8月以後太平洋高壓北抬,南側的熱帶擾動往西接近台灣,
就要看是否發展了。
盛夏之餘,8月起太陽的勢力對北方的影響減弱,
北極渦旋也重新緩緩增強了,
北極海冰面積減少的速度就看能否趨緩了。
(以上供參囉)
--
一年之中的太平洋高壓最北的時節要來了,
也就是東北亞熱浪季,台灣颱風季開始。
模式預報,一週後期,太平洋高壓壟罩日本開始。
這節氣,正是大暑。
每年7月23日前後開始進入大暑,
不只東亞,北半球的高溫也開始飆起,
在美洲的墨西哥到賭城拉斯維加斯的熱浪,
在非洲撒哈拉沙漠的熱浪讓西非爆熱,
在中東到南亞喜馬拉雅山南麓的世界最熱浪,一路連到新疆、甘肅的。
東亞也由太平洋高壓伸入控制下。
對台灣來說,
今天太平洋高壓的西側分裂反氣旋單體通過台灣進入東亞,
因此午後雷陣雨減少一些,
明天起又重新增強,一週後期偏東風進來,
背風渦流的雷雨區移到中南部地區。
8月以後太平洋高壓北抬,南側的熱帶擾動往西接近台灣,
就要看是否發展了。
盛夏之餘,8月起太陽的勢力對北方的影響減弱,
北極渦旋也重新緩緩增強了,
北極海冰面積減少的速度就看能否趨緩了。
(以上供參囉)
--
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