週三週四南來水氣增多,週日鋒面到~2014/03/24 - 颱風討論

By Eartha
at 2014-03-24T19:46
at 2014-03-24T19:46
Table of Contents
這兩天隨著大陸高壓東移變性增暖,台灣這邊的溫度逐漸回升,
空氣也大致偏乾,天氣維持穩定,
目前來看大概到周六(29日)台灣都還是在偏南風暖空氣的範圍內,
較冷的空氣北縮,停留在長江以北,冷暖空氣交會的鋒面系統停留在長江流域,
鋒面本身對台灣並沒有明顯的影響,
不過週三到週四(26~27日)南風夾帶的水氣有增多的趨勢,
台灣附近的雲量預估會明顯增加,
加上鋒面東段的部分將會稍微往南壓,比較靠近東海南部,大氣狀況會變得較為不穩定,
如果陽光熱力或是暖平流造成溫度上升,再配合地形作用,
南來的雲層中就可能會有些降雨的系統發展,
可能從海面上移入,也可能在陸地上出現,
預估各地看起來是雲量較多,有些局部性短暫陣雨出現的天氣,
也不排除會有熱對流在山區發展的機會,
預報的環境風速較強,雲層的移動應該會蠻快的,
降雨的時間不長,變動性也比較大,不容易預估降雨的區域,
提醒大家到時候要多注意雷達上的降雨回波變化,
週五(28日)到週六(29日)鋒面位置又往北抬,
雖然偏南風仍帶來水氣,但是大氣不穩定度預估會較為下降,
各地雲量仍多,不過降雨系統的發展程度應該會比較減弱,出現短暫陣雨的狀況將減少,
再來要等到週六的晚間左右,
有個較為明顯的西風短波槽自華北東移,長江流域的鋒面上有低壓波動發展,
隨著低壓往日本移動加深,也將帶動鋒面明顯南壓,
週日(30日)鋒面就會影響台灣,中部以北地區的天氣將有較大幅度的變化,
有機會出現陣雨或雷雨,不過雨量的多寡還有待繼續觀察,
展望下週看起來比較像是正常典型的春雨天氣型態,
鋒面停留在華南到台灣一帶,降雨的狀況預估將會明顯許多,
溫度方面因為一直到周六都是暖空氣影響,因此各地都是比較溫暖甚至悶熱的溫度,
濕度較大,體感上應該會較不舒服,
預估也是要等到周日鋒面南下,冷空氣對台灣的影響才會加大,
以上先簡單供參考囉~
--
空氣也大致偏乾,天氣維持穩定,
目前來看大概到周六(29日)台灣都還是在偏南風暖空氣的範圍內,
較冷的空氣北縮,停留在長江以北,冷暖空氣交會的鋒面系統停留在長江流域,
鋒面本身對台灣並沒有明顯的影響,
不過週三到週四(26~27日)南風夾帶的水氣有增多的趨勢,
台灣附近的雲量預估會明顯增加,
加上鋒面東段的部分將會稍微往南壓,比較靠近東海南部,大氣狀況會變得較為不穩定,
如果陽光熱力或是暖平流造成溫度上升,再配合地形作用,
南來的雲層中就可能會有些降雨的系統發展,
可能從海面上移入,也可能在陸地上出現,
預估各地看起來是雲量較多,有些局部性短暫陣雨出現的天氣,
也不排除會有熱對流在山區發展的機會,
預報的環境風速較強,雲層的移動應該會蠻快的,
降雨的時間不長,變動性也比較大,不容易預估降雨的區域,
提醒大家到時候要多注意雷達上的降雨回波變化,
週五(28日)到週六(29日)鋒面位置又往北抬,
雖然偏南風仍帶來水氣,但是大氣不穩定度預估會較為下降,
各地雲量仍多,不過降雨系統的發展程度應該會比較減弱,出現短暫陣雨的狀況將減少,
再來要等到週六的晚間左右,
有個較為明顯的西風短波槽自華北東移,長江流域的鋒面上有低壓波動發展,
隨著低壓往日本移動加深,也將帶動鋒面明顯南壓,
週日(30日)鋒面就會影響台灣,中部以北地區的天氣將有較大幅度的變化,
有機會出現陣雨或雷雨,不過雨量的多寡還有待繼續觀察,
展望下週看起來比較像是正常典型的春雨天氣型態,
鋒面停留在華南到台灣一帶,降雨的狀況預估將會明顯許多,
溫度方面因為一直到周六都是暖空氣影響,因此各地都是比較溫暖甚至悶熱的溫度,
濕度較大,體感上應該會較不舒服,
預估也是要等到周日鋒面南下,冷空氣對台灣的影響才會加大,
以上先簡單供參考囉~
--
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