天氣小觀:冷氣團來襲,後期北極渦旋又發展超強 - 颱風討論
By Sandy
at 2020-02-07T21:10
at 2020-02-07T21:10
Table of Contents
天氣小觀:冷氣團來襲,後期北極渦旋又發展超強渦旋
在北極渦旋的供應下,1036百帕的蒙古冷高壓南下,又帶出一波冷氣團,
持續時間也久,影響至下週一,且達也有機會標強烈大陸冷氣團,
不過與上次不同的是,
北極渦旋支持1月28日寒潮侵襲台灣時,北極渦旋並沒有分裂
而這次,2月初北極渦旋的強極渦事件後,目前北極渦旋已減弱分裂,
當然,這與大氣對流層有明顯暖波動有關了。
這暖波動,當然就是西風帶的大氣長脊,
北大西洋暖脊向北伸,對流層行星波上傳造成平流層100百帕高空場的北極渦旋中心分裂
,
但最重要的是,
另一波中亞脊暖波動東移加深,造成一波東亞寒潮爆發,台灣也受冷氣團侵襲,
東北亞再度出現高空冷渦旋,西風帶北氣流吹入東北亞,
日、韓紛紛出現低溫。
不過,
中亞暖脊並沒有阻塞高壓,因此沒有堆積出強烈蒙古冷高壓,
但冷氣團充足的情況下,三天冷氣團放送到台灣。
週二以後開始回暖。
But + But
長期模式預報又是驚人預報,(大氣果真幻變莫測),
原本以為北極渦旋減弱後,整個重心就在大氣對流中層500百帕高空場的西風帶,
但,
最新模式預報,北極渦旋中心發展聰明的移近北極點,
二月的北極中心還是永夜,
然後北極渦旋又發展成14800米的超強渦旋,
看來,下下週又要冷一波 長長長了,抖~~
而且若對應中亞長波脊,發展強烈冷高壓的話,寒流來襲就不意外了
就怕下下週開始 才是冬天的東亞寒潮 巔峰啊 抖~~抖
而且目前驚人模式預報 冬天冷冷的大環境可能持續8~9天 抖~~抖~~抖,
只能說今冬的北極渦旋太威猛了,2月均溫是要來個大低嗎? 抖抖抖抖抖
密切觀察囉
(快速說說,以上供參囉)
--
在北極渦旋的供應下,1036百帕的蒙古冷高壓南下,又帶出一波冷氣團,
持續時間也久,影響至下週一,且達也有機會標強烈大陸冷氣團,
不過與上次不同的是,
北極渦旋支持1月28日寒潮侵襲台灣時,北極渦旋並沒有分裂
而這次,2月初北極渦旋的強極渦事件後,目前北極渦旋已減弱分裂,
當然,這與大氣對流層有明顯暖波動有關了。
這暖波動,當然就是西風帶的大氣長脊,
北大西洋暖脊向北伸,對流層行星波上傳造成平流層100百帕高空場的北極渦旋中心分裂
,
但最重要的是,
另一波中亞脊暖波動東移加深,造成一波東亞寒潮爆發,台灣也受冷氣團侵襲,
東北亞再度出現高空冷渦旋,西風帶北氣流吹入東北亞,
日、韓紛紛出現低溫。
不過,
中亞暖脊並沒有阻塞高壓,因此沒有堆積出強烈蒙古冷高壓,
但冷氣團充足的情況下,三天冷氣團放送到台灣。
週二以後開始回暖。
But + But
長期模式預報又是驚人預報,(大氣果真幻變莫測),
原本以為北極渦旋減弱後,整個重心就在大氣對流中層500百帕高空場的西風帶,
但,
最新模式預報,北極渦旋中心發展聰明的移近北極點,
二月的北極中心還是永夜,
然後北極渦旋又發展成14800米的超強渦旋,
看來,下下週又要冷一波 長長長了,抖~~
而且若對應中亞長波脊,發展強烈冷高壓的話,寒流來襲就不意外了
就怕下下週開始 才是冬天的東亞寒潮 巔峰啊 抖~~抖
而且目前驚人模式預報 冬天冷冷的大環境可能持續8~9天 抖~~抖~~抖,
只能說今冬的北極渦旋太威猛了,2月均溫是要來個大低嗎? 抖抖抖抖抖
密切觀察囉
(快速說說,以上供參囉)
--
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