天氣小觀:不以規矩不成方圓;季環圓規不方不圓 - 颱風討論
By Odelette
at 2021-10-12T10:47
at 2021-10-12T10:47
Table of Contents
天氣小觀:不以規矩,不成方圓;季環圓規,不方不圓
圓規颱風是從季風環流圈的擾動混戰後脫胎換骨所形成,
由於受太平洋高壓導引往西走巴士海峽接近呂宋島的路徑,
由於季風低壓的特質,圓規颱風外圍環流特別明顯,
因此甩出的風雨都很驚人,
雖然有一點東北風/類東北季風輻合/共伴在東海下來,
但主要風雨還是大外圍環流造成。
目前,
圓規颱風進入南海,東南風上來,
東南部-台東和"屏東偏東,屏東偏南"強烈降雨中。
主要原因當然是南亞高壓往東併入太平洋高壓,
大氣高層的東風噴流在南海北部,
高層東風噴流右後方的強降雨就落在台灣南端。
加上,
低層噴流的颱風環流,東南風撞上來,
因此,
比起昨天宜花的外圍環流降雨,
今天高空環境更良好,
東南部-台東和"屏東偏東,屏東偏南"今天降雨就非常猛烈。
模式預報,未來一週,圓規繼續往西衝向海南島,
太平洋高壓順勢推擠季風環流圈通過台灣,
因此太平洋高壓偏東風與季風環流東南風的輻合雲雨帶
在明後天帶往台灣東部,東部還有大雨要下。
接著就是從降雨變降溫了,
一週後期,接近1050百帕的蒙古冷高壓出現,
冬季系統的攻擊態勢明顯又強烈,
冷高壓一波接一波南下,大氣環境上彷彿有入冬的態勢,
不過,
到底還是秋季,即便在深秋,台灣海溫也還沒降下來,
而今年東亞海溫又偏高不少,
東北季風登場後還是要注意與南方新擾動的互動。(真共伴環境)
(以上供參)
--
圓規颱風是從季風環流圈的擾動混戰後脫胎換骨所形成,
由於受太平洋高壓導引往西走巴士海峽接近呂宋島的路徑,
由於季風低壓的特質,圓規颱風外圍環流特別明顯,
因此甩出的風雨都很驚人,
雖然有一點東北風/類東北季風輻合/共伴在東海下來,
但主要風雨還是大外圍環流造成。
目前,
圓規颱風進入南海,東南風上來,
東南部-台東和"屏東偏東,屏東偏南"強烈降雨中。
主要原因當然是南亞高壓往東併入太平洋高壓,
大氣高層的東風噴流在南海北部,
高層東風噴流右後方的強降雨就落在台灣南端。
加上,
低層噴流的颱風環流,東南風撞上來,
因此,
比起昨天宜花的外圍環流降雨,
今天高空環境更良好,
東南部-台東和"屏東偏東,屏東偏南"今天降雨就非常猛烈。
模式預報,未來一週,圓規繼續往西衝向海南島,
太平洋高壓順勢推擠季風環流圈通過台灣,
因此太平洋高壓偏東風與季風環流東南風的輻合雲雨帶
在明後天帶往台灣東部,東部還有大雨要下。
接著就是從降雨變降溫了,
一週後期,接近1050百帕的蒙古冷高壓出現,
冬季系統的攻擊態勢明顯又強烈,
冷高壓一波接一波南下,大氣環境上彷彿有入冬的態勢,
不過,
到底還是秋季,即便在深秋,台灣海溫也還沒降下來,
而今年東亞海溫又偏高不少,
東北季風登場後還是要注意與南方新擾動的互動。(真共伴環境)
(以上供參)
--
Tags:
颱風
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