天氣小觀:預報一周後,北極渦旋來北亞了 - 颱風討論

By Megan
at 2014-01-17T10:15
at 2014-01-17T10:15
Table of Contents
天氣小觀:預報一周後,北極渦旋來北亞了!
模式預報又是代誌大條了,
請看此圖,一周後的北極渦旋 http://ppt.cc/gyOl
沒錯,北極渦旋來北亞了!
今年北極渦旋多在北美,不過風水輪流轉,就像該來的還是會來的。
預報一周後,北極渦旋偏向北亞,西伯利亞大急凍,預報如此的話,
便是入冬以來亞洲最強的冷氣團登場了,是否媲美北美那次的強度有待觀察。
北極渦旋重掌北極後站穩時間不久,由於東北太平洋大暖脊北上,
北極渦旋再次分裂,主冷渦旋中心這次不再偏向北美,轉而偏向北亞,
好死不死,中亞阻塞高壓逐漸崩潰,並與新的歐亞暖脊結合,
一周後,歐亞大陸出現阻塞暖脊,情況更慘的話可能變成阻塞高壓,
阻塞暖脊或是阻塞高壓出現的話,西風帶氣流受阻,
東亞西風噴流大幅減弱,西風波動減緩,整個北亞出現超強冷氣團堆積的態勢,
加上北極渦旋偏向北亞,模式預報,西伯利亞再度全面急凍,
這次範圍與強度都比前一波的堆積冷氣團更加強勢。
主北極渦旋加上歐亞阻塞暖脊,這是模式一周後的初始預報,
之後就是烏拉山的暖脊扮演關鍵角色,
如果阻塞高壓態勢出現,冷氣團勢必強度持續上看,
然後隨著阻高的發展,下游的東亞只能膽戰心驚。
如果暖脊沒有發展,那關鍵就取決於西風橫槽,
西風橫槽一旦迅速往南加深到東亞,那東亞一樣急凍跑不掉。
兩種情況都很驚心,只能持續觀察了
(以上供參囉)
--
模式預報又是代誌大條了,
請看此圖,一周後的北極渦旋 http://ppt.cc/gyOl
沒錯,北極渦旋來北亞了!
今年北極渦旋多在北美,不過風水輪流轉,就像該來的還是會來的。
預報一周後,北極渦旋偏向北亞,西伯利亞大急凍,預報如此的話,
便是入冬以來亞洲最強的冷氣團登場了,是否媲美北美那次的強度有待觀察。
北極渦旋重掌北極後站穩時間不久,由於東北太平洋大暖脊北上,
北極渦旋再次分裂,主冷渦旋中心這次不再偏向北美,轉而偏向北亞,
好死不死,中亞阻塞高壓逐漸崩潰,並與新的歐亞暖脊結合,
一周後,歐亞大陸出現阻塞暖脊,情況更慘的話可能變成阻塞高壓,
阻塞暖脊或是阻塞高壓出現的話,西風帶氣流受阻,
東亞西風噴流大幅減弱,西風波動減緩,整個北亞出現超強冷氣團堆積的態勢,
加上北極渦旋偏向北亞,模式預報,西伯利亞再度全面急凍,
這次範圍與強度都比前一波的堆積冷氣團更加強勢。
主北極渦旋加上歐亞阻塞暖脊,這是模式一周後的初始預報,
之後就是烏拉山的暖脊扮演關鍵角色,
如果阻塞高壓態勢出現,冷氣團勢必強度持續上看,
然後隨著阻高的發展,下游的東亞只能膽戰心驚。
如果暖脊沒有發展,那關鍵就取決於西風橫槽,
西風橫槽一旦迅速往南加深到東亞,那東亞一樣急凍跑不掉。
兩種情況都很驚心,只能持續觀察了
(以上供參囉)
--
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