天氣小觀:96W和97W - 颱風討論
By William
at 2021-07-04T10:06
at 2021-07-04T10:06
Table of Contents
目前的南方大氣環境,
MJO從東非(第1相位)移往印度洋(第2相位),
MJO移往印度洋後,下沉區跑到西太平洋有利太平洋高壓增強,
不過,
趕在MJO仍處於第1相位有利西太平洋的熱帶擾動生成前,
菲律賓東方及菲律賓附近分別出現的兩個熱帶擾動96W以的97W,
這下就有意思了:
一、美軍GFS模式看好96W
1. 96W位於97W的東方,96W往北的力道增強。
2. 由於目前太平洋高壓開始增強,導引氣流會越來越強,
96W由太平洋高壓導引移動速度也會變得穩定且不慢。
3. 重點就在96W了,97W在東本身往北+太平洋高壓增強往西,
因此,模式預報96W路徑是往西北移動。
96W往西北移動就是往巴士海峽過來,加上速度頗快,
周二就可能接近恆春囉
二、歐洲EC模式看好97W
由於南亞高壓的熱帶東風噴流強勁,
南海的垂直風切環境對颱風發展並不友善,
但,
南海的西南季風環境佳,97W與西南季風可說是風雨互幫,
因此,EC模式預報太平洋高壓在97W西北方緩緩西推,
96W以零散雲團撞向恆春/東部,
97W則從菲律賓往西北移,有發展的機會。
結論來看,
看好96W發展的情況下,97W受96W的外圍偏北氣流干擾發展,
看好97W發展的情況下,96W只能快速偏北撞向恆春到台東。
就看誰是烟花了,只是在太平洋高壓的強勢導引下,
恐怕已經決定烟花就是一陣烟花了。
反正,
生活之夏,追風才剛開始,也是不急。
(以上供參囉)
--
MJO從東非(第1相位)移往印度洋(第2相位),
MJO移往印度洋後,下沉區跑到西太平洋有利太平洋高壓增強,
不過,
趕在MJO仍處於第1相位有利西太平洋的熱帶擾動生成前,
菲律賓東方及菲律賓附近分別出現的兩個熱帶擾動96W以的97W,
這下就有意思了:
一、美軍GFS模式看好96W
1. 96W位於97W的東方,96W往北的力道增強。
2. 由於目前太平洋高壓開始增強,導引氣流會越來越強,
96W由太平洋高壓導引移動速度也會變得穩定且不慢。
3. 重點就在96W了,97W在東本身往北+太平洋高壓增強往西,
因此,模式預報96W路徑是往西北移動。
96W往西北移動就是往巴士海峽過來,加上速度頗快,
周二就可能接近恆春囉
二、歐洲EC模式看好97W
由於南亞高壓的熱帶東風噴流強勁,
南海的垂直風切環境對颱風發展並不友善,
但,
南海的西南季風環境佳,97W與西南季風可說是風雨互幫,
因此,EC模式預報太平洋高壓在97W西北方緩緩西推,
96W以零散雲團撞向恆春/東部,
97W則從菲律賓往西北移,有發展的機會。
結論來看,
看好96W發展的情況下,97W受96W的外圍偏北氣流干擾發展,
看好97W發展的情況下,96W只能快速偏北撞向恆春到台東。
就看誰是烟花了,只是在太平洋高壓的強勢導引下,
恐怕已經決定烟花就是一陣烟花了。
反正,
生活之夏,追風才剛開始,也是不急。
(以上供參囉)
--
Tags:
颱風
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