天氣小觀:立冬將至,太平洋高壓還有一支舞 - 颱風討論
By Lily
at 2022-11-06T19:30
at 2022-11-06T19:30
Table of Contents
秋颱共伴之後,太平洋高壓脊南移至北緯20度左右,
原因拜秋颱與東北季風互動後,東亞沿海的海溫下降了,
從渤海、黃海到東海都有明顯轉涼,
台灣位於太平洋高壓脊以北,與冬季西風帶系統一步之遙了。
當然,這一步沒這麼容易,儘管明起立冬。
模式預報未來一週前期,東亞還有冷高壓下來,
東北季風還是很明顯的秋涼,
週四以後太平洋高壓從台灣南方緩緩西伸,
勢力逐漸重掌台灣,白天起會越來會暖熱了,
直到月中左右,再有西風大槽南壓,之後就要就要稱副高了。
值得注意的是,
北極渦旋今年入秋後多偏離北極,因此強度偏弱,
不過11月中後,永夜接近極大化,高緯度大陸也成為了發展區,
長期預報看來,亞洲遠東成為北極渦旋選中目標。
因此,如此看來,跨年前之冬的東北亞要挫勒等。
當然,
跨年前之冬偏冷,就容易導致跨年後之冬偏暖,最終也不排除以暖冬收場。
再觀察囉。
(以上供參囉)
--
原因拜秋颱與東北季風互動後,東亞沿海的海溫下降了,
從渤海、黃海到東海都有明顯轉涼,
台灣位於太平洋高壓脊以北,與冬季西風帶系統一步之遙了。
當然,這一步沒這麼容易,儘管明起立冬。
模式預報未來一週前期,東亞還有冷高壓下來,
東北季風還是很明顯的秋涼,
週四以後太平洋高壓從台灣南方緩緩西伸,
勢力逐漸重掌台灣,白天起會越來會暖熱了,
直到月中左右,再有西風大槽南壓,之後就要就要稱副高了。
值得注意的是,
北極渦旋今年入秋後多偏離北極,因此強度偏弱,
不過11月中後,永夜接近極大化,高緯度大陸也成為了發展區,
長期預報看來,亞洲遠東成為北極渦旋選中目標。
因此,如此看來,跨年前之冬的東北亞要挫勒等。
當然,
跨年前之冬偏冷,就容易導致跨年後之冬偏暖,最終也不排除以暖冬收場。
再觀察囉。
(以上供參囉)
--
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