天氣小觀:超級寒流啟動中北往南,過後似有阻高
天氣小觀:超級寒流啟動中由北而南,過後疑似阻高出現
1. 超級寒流的大氣模式已經開始啟動,大批的冷氣團逐漸往蒙古堆積。
2. 預報蒙古會出現超級地面冷高壓,中心突破1064百帕
3. 隨著蒙古冷高壓增強,勢力範圍往南擴,冷氣團前緣由北而南入侵東亞
4. 當蒙古冷高壓強度達到顛峰後(超級蒙古冷高壓出現),就整個南侵,東亞全面冰凍
也就是超級寒流全面壟罩東亞
5. 超級寒流南下後(高空有強冷渦旋南下),影響副熱帶西風噴流造成大震盪
因此,超級寒流過後,出現強烈的西風南支槽
6. 超級寒流過後,南方出現強烈的西風南支槽,台灣在槽前,回溫但是降雨不斷
7. 超級寒流過後,在北方,可能又有新戲上演:
中亞有大西風脊,使大量冷氣團再往西伯利亞,
並且中亞北方疑似再出現阻塞高壓。(西伯利亞陷入長時間冰凍)
8. 由於阻塞高壓"可能"在中亞北方出現(預報有點久遠,要再觀察),
阻塞高壓出現後,對應的西風大橫槽出現,
有可能使冷氣團暫時不再南下(在北方堆積)。
9. 但若是中亞阻塞高壓真的出現,西伯利亞再度集結超級冷氣團,
下游的東亞也是剉著等了。
(經統計東亞寒潮往往出現在阻塞高壓崩潰後,部分也有出現在阻高成熟期)
以上快速條列,簡單說明囉
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