天氣概況~2010/08/13
今天是13號星期五~但是這跟本文無關 (喂~)
昨天的午後雷雨下得還蠻明顯的~水氣仍多配合熱力作用~
對流一發展起來果然還是遠比預期強烈~
雖然上空有高壓逐漸西伸~不過還是壓制不住對流的爆發
局部地區有破百的累積雨量出現~南投中寮的整點時雨量一度高達66mm
今天看起來水氣的量如昨天預期的有比較減少了
從台灣海峽南部以及巴士海峽雖然還是有看到零碎的點點雲北飄
但是迎風的南部沿海昨晚到今晨已經沒有什麼降雨出現
中高層高壓的勢力也有比昨天再增強的趨勢
雖然預估午後在各地山區仍會有熱對流發展起來~還是會帶來降雨的現象
不過降雨的量跟範圍應該都會比昨天略為減小
但是在局部地區~特別是中南部淺山地帶仍有較大雨勢出現的機會
前往山區或溪流邊活動仍要特別小心~午後出門最好也能帶著雨具
西半部會比東半部容易下~中高層的風向會讓熱對流往西飄
上午時段則普遍艷陽高照~溫度偏高而且悶熱~要注意防曬防中暑的準備
週末假期目前來看仍是這種晴朗午後山區有局部熱對流雷雨的天氣
降雨的範圍會更往山區縮小~平地下雨的機會降低
安排假期活動應該都很合適~但計劃前往山區的朋友還是要特別注意下午的天氣變化
這種午後雷雨減少~高壓較強的情況大概會持續3~4天
下週中期以後隨著高壓型態轉變~從南邊菲律賓附近上來的水氣將有所增加
到時候午後雷雨又會轉趨明顯~迎風的花東恆春半島等地也可能出現地形降雨
並且要開始留意熱帶擾動的發展~預估下週在菲律賓一帶會有比較好的發展條件
高壓讓出一定程度的空間~西南季風有機會再度向東伸展~有利於熱帶擾動的蘊釀~
中長期預測來看不排除下週末有低壓或颱風接近的機會
原本在菲律賓上空的微弱低壓環流目前則有逐漸進入南海的趨勢
未來的變化仍需要觀察~
以上簡單供參考囉~
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