天氣小觀:昨乾,輻冷罕見達標冷氣團,今起冷濕 - 颱風討論
By Hedwig
at 2021-11-12T20:18
at 2021-11-12T20:18
Table of Contents
天氣小觀:
昨乾,輻冷罕見達標冷氣團,今起轉濕;北極冰風暴開始前,白令海峽竟先結冰
昨天,在輻射冷卻的環境下,台灣出現近40年最早達標的冷氣團,
同時厲害的是,
北極圈附近的白令海峽竟然先開始結冰,阻斷了北太平洋暖流進入北極區,
北極海冰衝衝衝,隨著太陽直射南緯18度,北極圈內大部分地區都已進入永夜區,
北極冰風暴也即將開始。
看來今年不只南方入冬早,北方白令海峽也提早開始結凍了。
0. 北極海:幾乎都已100%結冰,
1. 北極鄰海,
格陵蘭海:結冰情況非常良好,海冰面積幾乎達100%平均值。
巴倫支海:海冰面積至少平均值的不差,冷凍氣團正在侵襲此區,結冰樂觀。
卡拉海:海冰面積至少平均值的不差,冷凍氣團正在侵襲此區,結冰樂觀。
拉普提夫海:海冰面積達平均值100%
東西伯利亞海:海冰面積達平均值100%
楚科奇海:海冰面積達平均值95%
加拿大北極區:海冰面積達平均值95%
巴芬灣:儘管海冰面積達平均值70%,不過未來一週北美冷凍氣團爆發。
2. 鄰北極圈海域,
哈德孫灣:尚未結冰,符合11月上旬平均情況。
戴維斯海峽:尚未結冰,就等未來一週北美冷凍氣團爆發。
丹麥海峽:尚未結冰,符合11月上旬平均情況。
挪威海:(略,不凍海)
白令海峽:不符合11月上旬平均未結冰情況,因為先結冰了!
3. 副極地海域,
白令海:白令海峽結冰後,白令海北側結冰也不會晚了。
鄂霍次克海:西側沿岸,開始些許結冰
拉布拉多海:(略,不凍海)
整體看來,北極海冰情況正樂觀走揚。
再看南方台灣,一波一波冷高壓又南下到華南,明後天東亞短槽通過,
冷鋒直接在台灣海峽形成後通過台灣,
北部濕濕冷冷的冬季型態天氣再加兩天。
再來就下週四以後,又一波冷高壓南下到華南,然後東移,
冷鋒也隨即通過台灣,再度濕冷冬季天氣。
由於,
冷高壓不強,但直接南下華南也夠直接,
冷鋒面通過台灣時結構加強,反而容易全台有雨,北東部降雨更明顯。
一週過後,很快又是一波冷高壓南下的態勢了。
看來,
台灣真的入冬了;一點都不像深秋大氣環境了。
以台北氣候站為例,11月平均氣溫22度;但未來一週22度應該是平均高溫。
***溫度漸漸反映入冬了
未來一週預報
11月13日台北站溫度預報18~20度,秋末11月,平均高低溫19.8~24.9度
11月14日台北站溫度預報18~21度,秋末11月,平均高低溫19.8~24.9度
11月15日台北站溫度預報20~23度,秋末11月,平均高低溫19.8~24.9度
11月16日台北站溫度預報21~25度,秋末11月,平均高低溫19.8~24.9度
11月17日台北站溫度預報21~26度,秋末11月,平均高低溫19.8~24.9度
11月18日台北站溫度預報19~23度,秋末11月,平均高低溫19.8~24.9度
11月19日台北站溫度預報18~22度,秋末11月,平均高低溫19.8~24.9度
***
好早的冬天呀
(以上供參囉)
--
昨乾,輻冷罕見達標冷氣團,今起轉濕;北極冰風暴開始前,白令海峽竟先結冰
昨天,在輻射冷卻的環境下,台灣出現近40年最早達標的冷氣團,
同時厲害的是,
北極圈附近的白令海峽竟然先開始結冰,阻斷了北太平洋暖流進入北極區,
北極海冰衝衝衝,隨著太陽直射南緯18度,北極圈內大部分地區都已進入永夜區,
北極冰風暴也即將開始。
看來今年不只南方入冬早,北方白令海峽也提早開始結凍了。
0. 北極海:幾乎都已100%結冰,
1. 北極鄰海,
格陵蘭海:結冰情況非常良好,海冰面積幾乎達100%平均值。
巴倫支海:海冰面積至少平均值的不差,冷凍氣團正在侵襲此區,結冰樂觀。
卡拉海:海冰面積至少平均值的不差,冷凍氣團正在侵襲此區,結冰樂觀。
拉普提夫海:海冰面積達平均值100%
東西伯利亞海:海冰面積達平均值100%
楚科奇海:海冰面積達平均值95%
加拿大北極區:海冰面積達平均值95%
巴芬灣:儘管海冰面積達平均值70%,不過未來一週北美冷凍氣團爆發。
2. 鄰北極圈海域,
哈德孫灣:尚未結冰,符合11月上旬平均情況。
戴維斯海峽:尚未結冰,就等未來一週北美冷凍氣團爆發。
丹麥海峽:尚未結冰,符合11月上旬平均情況。
挪威海:(略,不凍海)
白令海峽:不符合11月上旬平均未結冰情況,因為先結冰了!
3. 副極地海域,
白令海:白令海峽結冰後,白令海北側結冰也不會晚了。
鄂霍次克海:西側沿岸,開始些許結冰
拉布拉多海:(略,不凍海)
整體看來,北極海冰情況正樂觀走揚。
再看南方台灣,一波一波冷高壓又南下到華南,明後天東亞短槽通過,
冷鋒直接在台灣海峽形成後通過台灣,
北部濕濕冷冷的冬季型態天氣再加兩天。
再來就下週四以後,又一波冷高壓南下到華南,然後東移,
冷鋒也隨即通過台灣,再度濕冷冬季天氣。
由於,
冷高壓不強,但直接南下華南也夠直接,
冷鋒面通過台灣時結構加強,反而容易全台有雨,北東部降雨更明顯。
一週過後,很快又是一波冷高壓南下的態勢了。
看來,
台灣真的入冬了;一點都不像深秋大氣環境了。
以台北氣候站為例,11月平均氣溫22度;但未來一週22度應該是平均高溫。
***溫度漸漸反映入冬了
未來一週預報
11月13日台北站溫度預報18~20度,秋末11月,平均高低溫19.8~24.9度
11月14日台北站溫度預報18~21度,秋末11月,平均高低溫19.8~24.9度
11月15日台北站溫度預報20~23度,秋末11月,平均高低溫19.8~24.9度
11月16日台北站溫度預報21~25度,秋末11月,平均高低溫19.8~24.9度
11月17日台北站溫度預報21~26度,秋末11月,平均高低溫19.8~24.9度
11月18日台北站溫度預報19~23度,秋末11月,平均高低溫19.8~24.9度
11月19日台北站溫度預報18~22度,秋末11月,平均高低溫19.8~24.9度
***
好早的冬天呀
(以上供參囉)
--
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