天氣概況~2013/07/09 - 颱風討論

By Isabella
at 2013-07-09T10:20
at 2013-07-09T10:20
Table of Contents
目前大家的焦點都在蘇力颱風上~
不過颱風還沒來~今天仍要提醒大家注意午後雷雨的情況~
昨天在台灣東邊海面上的高空冷心低壓已經慢慢西移到台灣上空~
雖然它並不強~但高空有較冷的空氣進來還是會增加大氣不穩定的狀況~
因此午後熱力作用下~發生對流系統的機會仍然很高~
西半部的山區由北到南應該都有機會~中南部山區發展的情況可能會相對旺盛一些~
降雨以山區為主~但也會擴散到平地~
因此下午要出門的朋友仍要特別注意雷達上的最新變化~記得攜帶雨具~
前往山區尤其要注意瞬間大雨的情況~
中低層仍是偏南風~暖空氣甚強~因此各地高溫持續上看33~35度~
今天一大早出門晨跑~才7點多就已經很熱了~大家出門一定要注意防曬防中暑的準備~
再來就是蘇力颱風了~
從東風波動發展而來~更往前探源的話很有可能是高空冷心低壓自身增暖變性的系統~
雖然沒有明顯的季風匯入(南側沒有一條長長的尾巴)~
但是途中所經過的都是高海溫海面(如同昨天所PO的海溫圖~都在30度暖水區)
因此能量的供應不成問題~過去一天發展順利~
它本身環流集中~屬於中等大小的系統~沒有了南邊的長尾巴反而整合的更順利~
有些颱風在發展過程中因為受到周圍過於旺盛的強對流雲團干擾~整合的反而慢~
現在的蘇力已經從雲捲中心慢慢繞成完整的一圈眼牆~只差繼續鞏固成標準的CDO而已~
未來蘇力仍將繼續加強~前方持續是一大片的高海溫區~
強度有上看到貓4甚至貓5的機會 (Cat.4~Cat.5)
CDO鞏固後~環流範圍有擴大的可能~
未來的移動方向在48小時內應該都比較穩定~
北邊的太平洋高壓強度甚強~引導氣流明確~因此蘇力將持續朝西北西移動~
速度也是比較快的情況~時速可能都可以來到20~25公里~
明天週三(10號)颱風還遠~不過冷心低壓慢慢向西遠離~
颱風外圍的下沉氣流逐漸靠近~午後雷雨的情況會減少許多~
中南部山區還是有點機會~但是降雨的範圍跟雨勢都會縮小~
後天週四(11號)白天應該大致還在下沉氣流中~
台灣附近的風向會漸轉東北風到偏北風~應該會是天很藍~雲層移動快速~風勢漸起的天氣
海邊以及海上的風浪預估已經開始明顯加強了~
大概從週四晚間起颱風外圍環流逐漸開始影響~
北部東北部到東部地區陸續轉為有陣雨的天氣~
因為這個颱風是自東向西靠近東部海面~
因此台灣附近的風向將是先東北到偏北風~然後海峽這邊可能有北到西北風慢慢出現~
週五(12號)各地應該都已經受到颱風環流的影響了~
北部東北部首當其衝~一陣一陣的風雨較為明顯~
中南部要注意順著海峽進來的偏北到西北風~一但跟山脈交會就會提前引發地形降雨~
西半部沿海以及高地的北風情況也將漸趨顯著~
花蓮北側地區受颱風環流的影響也較明顯~但是漸往南靠近台東一帶可能會進入尾流區~
並且比較偏向在背風面~感受上可能相對較弱~
依照現在的幾個模式預測結果來看~
蘇力颱風在北部到東北部近海經過或是直接登陸的可能性都有~
如同昨天講的~熱區的涵蓋範圍大約從北部陸地到石垣島之間~
颱風來到這個熱區後~也差不多走到高壓末端的位置~
高壓邊緣稍偏東一點~颱風的走向就會在這邊轉向比較偏西北一些~稍微遠離北部陸地~
但如果高壓邊緣稍偏西一點~颱風中心就可能侵入北部近海~甚至登陸北台灣~
目前預估颱風將在週五的傍晚到入夜這段時間進入熱區內~
到時候究竟是會稍微遠離陸地還是一路撞進來~就非常的關鍵了~
目前還不是很好掌握~有待繼續觀察~
預期最靠近~影響最嚴重的時間是在週五的晚上到週六白天這段時間~
北台灣算是直接受颱風侵襲的區域~
中部以南地區位於暴風圈涵蓋範圍或是暴風圈邊緣地區~
要特別注意颱風尾~西北風跟西南風可能產生的風切輻合線之劇烈降雨~
花蓮以南地區位於背風~要特別小心強焚風的現象發生~
如果颱風速度快一點的話~週六下午以後就開始慢慢遠離台灣了~
風雨的情況可望漸漸趨緩~不過各地仍有陣雨~沿海的風浪也不會馬上就小下來~
週日(14號)蘇力應該已經遠颺而去~
台灣位於高壓邊緣~吹偏南到西南風~
雖然目前預估不至於引進旺盛西南氣流~但是水氣仍然較多~
中部以南地區有短暫陣雨或雷雨~其他地方雲量也偏多~午後有較強熱對流雷雨發生的機會
天氣狀況仍是比較不穩定的型態~
以上先簡單供參考~有新的變化再來為大家報告囉~
--
不過颱風還沒來~今天仍要提醒大家注意午後雷雨的情況~
昨天在台灣東邊海面上的高空冷心低壓已經慢慢西移到台灣上空~
雖然它並不強~但高空有較冷的空氣進來還是會增加大氣不穩定的狀況~
因此午後熱力作用下~發生對流系統的機會仍然很高~
西半部的山區由北到南應該都有機會~中南部山區發展的情況可能會相對旺盛一些~
降雨以山區為主~但也會擴散到平地~
因此下午要出門的朋友仍要特別注意雷達上的最新變化~記得攜帶雨具~
前往山區尤其要注意瞬間大雨的情況~
中低層仍是偏南風~暖空氣甚強~因此各地高溫持續上看33~35度~
今天一大早出門晨跑~才7點多就已經很熱了~大家出門一定要注意防曬防中暑的準備~
再來就是蘇力颱風了~
從東風波動發展而來~更往前探源的話很有可能是高空冷心低壓自身增暖變性的系統~
雖然沒有明顯的季風匯入(南側沒有一條長長的尾巴)~
但是途中所經過的都是高海溫海面(如同昨天所PO的海溫圖~都在30度暖水區)
因此能量的供應不成問題~過去一天發展順利~
它本身環流集中~屬於中等大小的系統~沒有了南邊的長尾巴反而整合的更順利~
有些颱風在發展過程中因為受到周圍過於旺盛的強對流雲團干擾~整合的反而慢~
現在的蘇力已經從雲捲中心慢慢繞成完整的一圈眼牆~只差繼續鞏固成標準的CDO而已~
未來蘇力仍將繼續加強~前方持續是一大片的高海溫區~
強度有上看到貓4甚至貓5的機會 (Cat.4~Cat.5)
CDO鞏固後~環流範圍有擴大的可能~
未來的移動方向在48小時內應該都比較穩定~
北邊的太平洋高壓強度甚強~引導氣流明確~因此蘇力將持續朝西北西移動~
速度也是比較快的情況~時速可能都可以來到20~25公里~
明天週三(10號)颱風還遠~不過冷心低壓慢慢向西遠離~
颱風外圍的下沉氣流逐漸靠近~午後雷雨的情況會減少許多~
中南部山區還是有點機會~但是降雨的範圍跟雨勢都會縮小~
後天週四(11號)白天應該大致還在下沉氣流中~
台灣附近的風向會漸轉東北風到偏北風~應該會是天很藍~雲層移動快速~風勢漸起的天氣
海邊以及海上的風浪預估已經開始明顯加強了~
大概從週四晚間起颱風外圍環流逐漸開始影響~
北部東北部到東部地區陸續轉為有陣雨的天氣~
因為這個颱風是自東向西靠近東部海面~
因此台灣附近的風向將是先東北到偏北風~然後海峽這邊可能有北到西北風慢慢出現~
週五(12號)各地應該都已經受到颱風環流的影響了~
北部東北部首當其衝~一陣一陣的風雨較為明顯~
中南部要注意順著海峽進來的偏北到西北風~一但跟山脈交會就會提前引發地形降雨~
西半部沿海以及高地的北風情況也將漸趨顯著~
花蓮北側地區受颱風環流的影響也較明顯~但是漸往南靠近台東一帶可能會進入尾流區~
並且比較偏向在背風面~感受上可能相對較弱~
依照現在的幾個模式預測結果來看~
蘇力颱風在北部到東北部近海經過或是直接登陸的可能性都有~
如同昨天講的~熱區的涵蓋範圍大約從北部陸地到石垣島之間~
颱風來到這個熱區後~也差不多走到高壓末端的位置~
高壓邊緣稍偏東一點~颱風的走向就會在這邊轉向比較偏西北一些~稍微遠離北部陸地~
但如果高壓邊緣稍偏西一點~颱風中心就可能侵入北部近海~甚至登陸北台灣~
目前預估颱風將在週五的傍晚到入夜這段時間進入熱區內~
到時候究竟是會稍微遠離陸地還是一路撞進來~就非常的關鍵了~
目前還不是很好掌握~有待繼續觀察~
預期最靠近~影響最嚴重的時間是在週五的晚上到週六白天這段時間~
北台灣算是直接受颱風侵襲的區域~
中部以南地區位於暴風圈涵蓋範圍或是暴風圈邊緣地區~
要特別注意颱風尾~西北風跟西南風可能產生的風切輻合線之劇烈降雨~
花蓮以南地區位於背風~要特別小心強焚風的現象發生~
如果颱風速度快一點的話~週六下午以後就開始慢慢遠離台灣了~
風雨的情況可望漸漸趨緩~不過各地仍有陣雨~沿海的風浪也不會馬上就小下來~
週日(14號)蘇力應該已經遠颺而去~
台灣位於高壓邊緣~吹偏南到西南風~
雖然目前預估不至於引進旺盛西南氣流~但是水氣仍然較多~
中部以南地區有短暫陣雨或雷雨~其他地方雲量也偏多~午後有較強熱對流雷雨發生的機會
天氣狀況仍是比較不穩定的型態~
以上先簡單供參考~有新的變化再來為大家報告囉~
--
Tags:
颱風
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