天氣小觀:下週一晚起,挑戰11月第二波冷氣團 - 颱風討論
By Kelly
at 2021-11-20T10:10
at 2021-11-20T10:10
Table of Contents
天氣小觀:下週一晚起,挑戰11月第二波冷氣團
今年11月中上旬,冷高壓從偏西南下,地形環境多山阻擋,
儘管地不利,但靠著乾冷晴空下,輻射冷卻的天時加持,
意外出現近40年來(1981年以來)最早達標冷氣團紀錄。
2021年11月11日上午3點台北測站測得13.9度;
以古觀之氣象,
立冬亥月出水氣(水冷凝霜露),夜晚寅時3點,水氣泄出轉為木氣,地面乾冷,
高空西風槽後西北氣流帶來土、金之氣,又遇上辛丑年、己亥月,
土生金:濕己土生冰晶-辛金之氣,
於是,
寅時3點,暗月寒冰辛金之氣,沉降為冷氣團。
時序來到11月下旬,往年也是秋季的尾聲,
冬季系統又要挑戰第二波冷氣團了,
這次地利環境佳,冷高壓從蒙古南下,
冷舌從沿東亞沿海南下,少了地形阻擋,台灣受冷平流影響就很大了。
不過,
冷空氣南下走陸路,雖容易受地形阻擋,但也容易堆積冷氣團;
這次,
冷平流走海路徑,就要和東亞暖海耦合了,因此濕冷特性使氣溫接近露點溫度,
若冷平流威力夠強,經暖海增溫幅度小,
就會達標冷氣團了,只是寒冷冰雨的北部東北部苦主更打哆嗦。
當然了,
這次西風槽後西北氣流影響並不明顯,但冷平流走海路衝台灣。
冬季迷會說,這才是真冬天啊。
夏季迷會說,副高死透了嗎。(別急,副高會趁北極渦旋返回北極重整時,悄悄往西調整)
(快速說說,以上供參囉)
--
今年11月中上旬,冷高壓從偏西南下,地形環境多山阻擋,
儘管地不利,但靠著乾冷晴空下,輻射冷卻的天時加持,
意外出現近40年來(1981年以來)最早達標冷氣團紀錄。
2021年11月11日上午3點台北測站測得13.9度;
以古觀之氣象,
立冬亥月出水氣(水冷凝霜露),夜晚寅時3點,水氣泄出轉為木氣,地面乾冷,
高空西風槽後西北氣流帶來土、金之氣,又遇上辛丑年、己亥月,
土生金:濕己土生冰晶-辛金之氣,
於是,
寅時3點,暗月寒冰辛金之氣,沉降為冷氣團。
時序來到11月下旬,往年也是秋季的尾聲,
冬季系統又要挑戰第二波冷氣團了,
這次地利環境佳,冷高壓從蒙古南下,
冷舌從沿東亞沿海南下,少了地形阻擋,台灣受冷平流影響就很大了。
不過,
冷空氣南下走陸路,雖容易受地形阻擋,但也容易堆積冷氣團;
這次,
冷平流走海路徑,就要和東亞暖海耦合了,因此濕冷特性使氣溫接近露點溫度,
若冷平流威力夠強,經暖海增溫幅度小,
就會達標冷氣團了,只是寒冷冰雨的北部東北部苦主更打哆嗦。
當然了,
這次西風槽後西北氣流影響並不明顯,但冷平流走海路衝台灣。
冬季迷會說,這才是真冬天啊。
夏季迷會說,副高死透了嗎。(別急,副高會趁北極渦旋返回北極重整時,悄悄往西調整)
(快速說說,以上供參囉)
--
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