天氣小觀:雷伊減弱明午後雨來,再來週末有點抖 - 颱風討論
By Odelette
at 2021-12-19T21:51
at 2021-12-19T21:51
Table of Contents
天氣小觀:雷伊颱風減弱中,外圍水氣明天午後降雨,再來週末有點抖
南海的雷伊颱風捲入東北季風冷空氣正逐漸減弱,
不過明起大陸冷高壓出海,外圍水氣午後開始北上。
目前看來,
週一午後外圍水氣是高空暖濕空氣沿著大氣中低層的西南風北上,全台都會開始降雨。
週二雷伊颱風減弱後的低壓通過台灣,全台降雨更明顯。
週三雷伊颱風減弱後的低壓在台灣東北近海停住,受西伯利亞冷高壓影響,反而放慢南掉
這個西伯利亞冷高壓就是未來一週的關鍵了,
模式顯示西伯利亞冷高壓正在發展,
強度將增強至1060百帕以上,成為一非常強烈的地面冷高壓。
週三冷高壓勢力已經開始向日韓侵襲,
週三週四的冷高壓南側的偏東風抑制了南支槽,雷伊減弱後的氣旋失去導引。
於是,
台灣東方的氣旋放慢略為南掉,且由於氣旋的東北風與東北季風輻合,
因此,週三週四北部東北部就多雨了。
事實上,週五以後,才是西伯利亞冷高壓真正開始南下。
週六,西伯利亞冷高壓=>蒙古冷高壓南下,東北季風沿渤海、黃海、東海,
一路都是走海路,
首先就是冬季最著名產物:日月永恆的地形雨。
接著,溫度一路掉,目前看來是強烈冷氣團等級,12度降雨,北部要抖抖抖了。
夏季系統-雷伊颱風和副高一些些影響了這次冬季系統南下,
再來的週末,冬季系統竟然要加倍奉還,安捏甘丟?
(以上供參囉)
--
南海的雷伊颱風捲入東北季風冷空氣正逐漸減弱,
不過明起大陸冷高壓出海,外圍水氣午後開始北上。
目前看來,
週一午後外圍水氣是高空暖濕空氣沿著大氣中低層的西南風北上,全台都會開始降雨。
週二雷伊颱風減弱後的低壓通過台灣,全台降雨更明顯。
週三雷伊颱風減弱後的低壓在台灣東北近海停住,受西伯利亞冷高壓影響,反而放慢南掉
這個西伯利亞冷高壓就是未來一週的關鍵了,
模式顯示西伯利亞冷高壓正在發展,
強度將增強至1060百帕以上,成為一非常強烈的地面冷高壓。
週三冷高壓勢力已經開始向日韓侵襲,
週三週四的冷高壓南側的偏東風抑制了南支槽,雷伊減弱後的氣旋失去導引。
於是,
台灣東方的氣旋放慢略為南掉,且由於氣旋的東北風與東北季風輻合,
因此,週三週四北部東北部就多雨了。
事實上,週五以後,才是西伯利亞冷高壓真正開始南下。
週六,西伯利亞冷高壓=>蒙古冷高壓南下,東北季風沿渤海、黃海、東海,
一路都是走海路,
首先就是冬季最著名產物:日月永恆的地形雨。
接著,溫度一路掉,目前看來是強烈冷氣團等級,12度降雨,北部要抖抖抖了。
夏季系統-雷伊颱風和副高一些些影響了這次冬季系統南下,
再來的週末,冬季系統竟然要加倍奉還,安捏甘丟?
(以上供參囉)
--
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