天氣概況~2013/05/18 - 颱風討論

By Michael
at 2013-05-18T07:48
at 2013-05-18T07:48
Table of Contents
這兩天綜觀上的系統變化大致如預期~
隨著東海低壓波動加深東移~鋒面南壓後斷裂成兩部分~
東邊的鋒面隨低壓環流迅速東移~而且走的很乾脆~
這也是昨天白天中北部地區天氣出乎意料的好的原因~
原本以為還會拖個尾巴之類的~沒想到就這樣走掉了~
台灣附近空了一大塊~天氣也就跟著出現空檔~
西邊的鋒面則停留在華南沿海~並且有隨西南風加強而慢慢北上的趨勢~
昨晚起因為鋒面北上~鋒前從南海上來的西南風水氣又開始靠近中南部~
中南部迎風地區的天氣再度不穩定~也有對流雲團爆發的現象~
今天鋒面大致仍位於華南~台灣處於鋒前西南風的範圍內~
中南部地區天氣不穩定~有短暫陣雨或雷雨出現的機會~
降雨一陣一陣的~偶爾有空檔~但是下雨的時候雨勢可能會頗大~
務必要注意短時間強降雨發生的情況~
北部東半部雖然相對是在比較背風的區域~但是水氣仍然很多~
雲量多並且也會有短暫陣雨出現的可能~
午後熱力作用加入後~山區有較強熱對流發展的機會~
天氣也不是太穩定~外出的話仍要記得攜帶雨具~
溫度普遍偏高且潮濕悶熱~體感並不舒服~盡量要穿的寬鬆透氣一些~
今晚到明晨間因為陸風輻合的關係~西南沿海地區仍可能有局部較強對流出現~
這一點要請西南沿海地區的朋友特別小心~
明天週日(19號)白天台灣仍在鋒前~持續盛行西南風~
中南部仍是有短暫陣雨或雷雨的天氣~北部東半部要注意的還是以午後雷雨為主~
溫度持續偏高悶熱不舒服~高溫普遍有30度以上的機會~
明晚起隨著北邊西風短波槽東移~槽後弱冷空氣向南延伸~鋒面將逐漸南壓靠近北台灣~
中南部持續要注意鋒前西南風造成的降雨~
北部東北部也將隨鋒面接近~降雨開始增多~
下週一(20號)到週三(22號)這段期間鋒面就在台灣上空徘徊~
目前模式預報看起來中高層有短波槽在鋒後配合~
並且有弱冷空氣之冷舌向南延伸至鋒後~
鋒前則有明顯的低層噴流夾帶西南季風的暖濕空氣北上~
相當位溫的高值軸線也伸向台灣附近~大氣不穩定度很高~
高層的槽前輻散看起來也有搭配到~
條件上來看似乎是很容易有強對流爆發帶來豪大雨的形態~
各地都有出現豪大雨的機會~尤其是迎風的西半部~由北到南都要特別注意~
大約要到週四(23號)以後鋒面漸往南壓並且強度減弱~
降雨的狀況才會趨於減緩下來~
這一波看起來會是比較具有威脅性的降雨~提醒大家一定要做好準備~
以上先簡單供參考囉~
--
隨著東海低壓波動加深東移~鋒面南壓後斷裂成兩部分~
東邊的鋒面隨低壓環流迅速東移~而且走的很乾脆~
這也是昨天白天中北部地區天氣出乎意料的好的原因~
原本以為還會拖個尾巴之類的~沒想到就這樣走掉了~
台灣附近空了一大塊~天氣也就跟著出現空檔~
西邊的鋒面則停留在華南沿海~並且有隨西南風加強而慢慢北上的趨勢~
昨晚起因為鋒面北上~鋒前從南海上來的西南風水氣又開始靠近中南部~
中南部迎風地區的天氣再度不穩定~也有對流雲團爆發的現象~
今天鋒面大致仍位於華南~台灣處於鋒前西南風的範圍內~
中南部地區天氣不穩定~有短暫陣雨或雷雨出現的機會~
降雨一陣一陣的~偶爾有空檔~但是下雨的時候雨勢可能會頗大~
務必要注意短時間強降雨發生的情況~
北部東半部雖然相對是在比較背風的區域~但是水氣仍然很多~
雲量多並且也會有短暫陣雨出現的可能~
午後熱力作用加入後~山區有較強熱對流發展的機會~
天氣也不是太穩定~外出的話仍要記得攜帶雨具~
溫度普遍偏高且潮濕悶熱~體感並不舒服~盡量要穿的寬鬆透氣一些~
今晚到明晨間因為陸風輻合的關係~西南沿海地區仍可能有局部較強對流出現~
這一點要請西南沿海地區的朋友特別小心~
明天週日(19號)白天台灣仍在鋒前~持續盛行西南風~
中南部仍是有短暫陣雨或雷雨的天氣~北部東半部要注意的還是以午後雷雨為主~
溫度持續偏高悶熱不舒服~高溫普遍有30度以上的機會~
明晚起隨著北邊西風短波槽東移~槽後弱冷空氣向南延伸~鋒面將逐漸南壓靠近北台灣~
中南部持續要注意鋒前西南風造成的降雨~
北部東北部也將隨鋒面接近~降雨開始增多~
下週一(20號)到週三(22號)這段期間鋒面就在台灣上空徘徊~
目前模式預報看起來中高層有短波槽在鋒後配合~
並且有弱冷空氣之冷舌向南延伸至鋒後~
鋒前則有明顯的低層噴流夾帶西南季風的暖濕空氣北上~
相當位溫的高值軸線也伸向台灣附近~大氣不穩定度很高~
高層的槽前輻散看起來也有搭配到~
條件上來看似乎是很容易有強對流爆發帶來豪大雨的形態~
各地都有出現豪大雨的機會~尤其是迎風的西半部~由北到南都要特別注意~
大約要到週四(23號)以後鋒面漸往南壓並且強度減弱~
降雨的狀況才會趨於減緩下來~
這一波看起來會是比較具有威脅性的降雨~提醒大家一定要做好準備~
以上先簡單供參考囉~
--
Tags:
颱風
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