寒流來襲,注意輻射冷卻~2014/12/16 - 颱風討論

By Connor
at 2014-12-16T16:34
at 2014-12-16T16:34
Table of Contents
寒流冷空氣今天清晨開始影響北台灣,
除了冷氣團前緣剛接觸台灣時有些淺薄的水氣為迎風面地區帶來少量降雨以外,
隨著乾冷空氣持續南下,迎風面地區很快就轉變成多雲到陰的天氣,
背風面的中南部更是陽光普照,在陽光的照射下,
中南部地區在白天期間對於降溫的感受不是很明顯,
北台灣天氣陰霾,溫度就明顯的比較偏低,陰陰冷冷的,很有冬天的氛圍。
冷空氣今晚持續南下加強,這一波跟上一波比較不一樣的是,
空氣明顯較乾,天空的雲層比前一次要來得少,中南部更是呈現放晴的狀況,
因此除了強勢冷平流帶來的降溫以外,
在地空氣本身的輻射冷卻效應加乘效果更是不容忽視,
雖然今晚風勢仍然比較大,輻射冷卻的條件可能還是差了一點,
但仍可能會造成偏低的溫度,
明天清晨在台南以北一直到宜蘭地區都要留意10度上下的低溫出現的機會,
局部地區甚至有可能掉到8~9度低溫,提醒大家務必要做好保暖禦寒的準備,
農漁養殖業也要預防寒害發生的可能,
家中有年長者、幼童以及心血管疾病的患者都要特別留意它們的身體健康。
明天周三(17日)將是冷空氣強度最強的一天,不過白天大部分地方有機會看到陽光,
天氣乾冷而穩定,因此白天的溫度感受上不至於太冷,
北台灣白天溫度大約在14~15度左右,中南部以及花東地區白天仍可到18~20度的溫度,
明天入夜後到後天周四(18日)的清晨預估還會有一波低溫,
同樣要特別注意輻射冷卻效應造成的加成作用,
台南以北到宜蘭地區仍有機會出現10~12度低溫,局部地區還是有可能低於10度,
因此還是要特別注意保暖準備。
週四(18日)白天起冷空氣強度稍微減弱,溫度有緩慢回升的趨勢,
但是乾冷空氣減弱後,台灣西南邊有些潮濕的空氣趁虛而入,配合高空有短波槽東移,
台灣附近到了周四晚間逐漸有鋒面系統生成的機會,
因此週四下半天過後各地雲量將逐漸增多,入夜後降雨機會提高,
而且是各地都有可能出現短暫陣雨的情況,
因此週四出門如果要晚歸的朋友最好能攜帶雨具比較保險。
週五(19日)到週六(20日)鋒面逐漸通過台灣附近,週五預期將是各地有雨的天氣,
部分地區雨勢還有可能比較大,
包括東北部、東部地區以及中、南部局部山區都有機會下比較多的雨,
這一點對於缺水的中南部來說算是好消息,希望可以對於舒緩旱象有些幫助。
週六鋒面東移,西半部地區預估將是陣雨後漸轉多雲的天氣,
東半部降雨時間可能會延續較久,大概要到周六下半天以後降雨才會逐漸緩和,
不過隨後東北季風又將會增強,因此迎風面地區可能一直都還是會有短暫陣雨的機會,
甚至延續到周日(21日)都還是有下點雨的可能性。
週六下半天過後東北季風增強,又會帶來新一波冷空氣,
因此週六晚間到周日甚至到下周一(22日)預估又會是冷冷的天氣,
雖然周末這一波冷空氣強度應該不至於到達寒流等級,但仍可能造成11~13度的低溫,
北台灣的感受又會比其他地方要明顯,
未來這幾天溫度起伏變動大,天氣的變化也不小,提醒大家要多加留意。
以上簡單供參考囉~
--
除了冷氣團前緣剛接觸台灣時有些淺薄的水氣為迎風面地區帶來少量降雨以外,
隨著乾冷空氣持續南下,迎風面地區很快就轉變成多雲到陰的天氣,
背風面的中南部更是陽光普照,在陽光的照射下,
中南部地區在白天期間對於降溫的感受不是很明顯,
北台灣天氣陰霾,溫度就明顯的比較偏低,陰陰冷冷的,很有冬天的氛圍。
冷空氣今晚持續南下加強,這一波跟上一波比較不一樣的是,
空氣明顯較乾,天空的雲層比前一次要來得少,中南部更是呈現放晴的狀況,
因此除了強勢冷平流帶來的降溫以外,
在地空氣本身的輻射冷卻效應加乘效果更是不容忽視,
雖然今晚風勢仍然比較大,輻射冷卻的條件可能還是差了一點,
但仍可能會造成偏低的溫度,
明天清晨在台南以北一直到宜蘭地區都要留意10度上下的低溫出現的機會,
局部地區甚至有可能掉到8~9度低溫,提醒大家務必要做好保暖禦寒的準備,
農漁養殖業也要預防寒害發生的可能,
家中有年長者、幼童以及心血管疾病的患者都要特別留意它們的身體健康。
明天周三(17日)將是冷空氣強度最強的一天,不過白天大部分地方有機會看到陽光,
天氣乾冷而穩定,因此白天的溫度感受上不至於太冷,
北台灣白天溫度大約在14~15度左右,中南部以及花東地區白天仍可到18~20度的溫度,
明天入夜後到後天周四(18日)的清晨預估還會有一波低溫,
同樣要特別注意輻射冷卻效應造成的加成作用,
台南以北到宜蘭地區仍有機會出現10~12度低溫,局部地區還是有可能低於10度,
因此還是要特別注意保暖準備。
週四(18日)白天起冷空氣強度稍微減弱,溫度有緩慢回升的趨勢,
但是乾冷空氣減弱後,台灣西南邊有些潮濕的空氣趁虛而入,配合高空有短波槽東移,
台灣附近到了周四晚間逐漸有鋒面系統生成的機會,
因此週四下半天過後各地雲量將逐漸增多,入夜後降雨機會提高,
而且是各地都有可能出現短暫陣雨的情況,
因此週四出門如果要晚歸的朋友最好能攜帶雨具比較保險。
週五(19日)到週六(20日)鋒面逐漸通過台灣附近,週五預期將是各地有雨的天氣,
部分地區雨勢還有可能比較大,
包括東北部、東部地區以及中、南部局部山區都有機會下比較多的雨,
這一點對於缺水的中南部來說算是好消息,希望可以對於舒緩旱象有些幫助。
週六鋒面東移,西半部地區預估將是陣雨後漸轉多雲的天氣,
東半部降雨時間可能會延續較久,大概要到周六下半天以後降雨才會逐漸緩和,
不過隨後東北季風又將會增強,因此迎風面地區可能一直都還是會有短暫陣雨的機會,
甚至延續到周日(21日)都還是有下點雨的可能性。
週六下半天過後東北季風增強,又會帶來新一波冷空氣,
因此週六晚間到周日甚至到下周一(22日)預估又會是冷冷的天氣,
雖然周末這一波冷空氣強度應該不至於到達寒流等級,但仍可能造成11~13度的低溫,
北台灣的感受又會比其他地方要明顯,
未來這幾天溫度起伏變動大,天氣的變化也不小,提醒大家要多加留意。
以上簡單供參考囉~
--
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