鋒面影響到明天,持續注意強降雨~2014/05/15
如同昨天提醒的,因為這波鋒面前有低層噴流的出現,
需要特別注意因為水氣大量輸送所造成的大雨現象,
今天鋒面壓下來後,跟噴流的水氣配合在一起,
就變成一條細細長長,但是持續性非常好的強降雨帶,
帶上有強對流發展,也出現了可怕的煙囪狀雲層,
雲雨帶從下午3點左右開始侵入北部沿海,
接著一路南下,目前來到澎湖彰化雲林南投還有花蓮這一線,
預估雨帶仍有緩慢南壓的趨勢,但是越往南,南風暖空氣越會頂住它,
移動速度也越慢,因此暫時先提醒嘉義以北,台中以南的朋友持續嚴加戒備,
嘉義以南的朋友也要留意一下後續的變化狀況,
隨著北邊的地面高壓東移,明天白天以後風向將轉變,
鋒面的結構(南北風對峙)應該會減弱,比較明顯的鋒面東移遠離,
台灣附近的鋒面漸趨模糊,新的鋒面則是逐漸在華南建立,
因此明天下半天後降雨機會可望逐漸降低,
不過山區仍要注意午後熱對流降雨發展的情況,
周末假期的天氣暫時來看還不錯,要注意的仍是山區的午後雷雨,
計畫前往山區的話要特別留意午後的天氣變化,
鋒面短時間內停留在華南,再度南下接近台灣的時間大約是在周日深夜到下周一之間,
周末的溫度各地應該都是蠻悶熱的,在戶外活動要注意防曬跟防中暑,
以上先簡單供參考,再度請中部的朋友嚴加注意豪大雨狀況囉~
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