天氣概況~2009/01/13~寒流-Day-5 - 颱風討論

By Sierra Rose
at 2009-01-13T09:53
at 2009-01-13T09:53
Table of Contents
昨天在北邊新一波西風槽再度華麗(?)轉直南伸的帶動下
原本略往北邊萎縮的冷空氣又強勢南衝~
地面天氣圖上清楚可見新的分裂高壓中心經蒙古~河套下到長江中游
溫度場的分析也顯示850百帕0度等溫線昨晚已經壓到北台灣上空
目前應該已經繼續往中部一帶南壓
各地的溫度昨天先後出現一路下滑的情況
最早反應的是北部~上午的溫度缺乏陽光升不上去~只到了15度左右就開始下降
一直降到今天清晨約9~10度間的水準~
不過風勢較強加上雲層多~濕度小~低溫無法再下探8度大關
中部一帶則在中午過後開始降溫~
高溫在中部因為有陽光的關係還升到19~20度
今天清晨則降到8~9度間~風勢也是較大的情況~同時前半夜有雲~輻冷受到干擾
南部降溫則更晚~大概到下午才開始下降~高溫也升得更高~有達到21~22度的水準
今天清晨的低溫大約降到10~12度左右
東半邊的宜花東等地昨天白天因為雲層較多的關係~
高溫升得並不高~宜蘭不到15度~花東也只到達16~18度
不過地形對冷空氣屏障的效果還是有出來~
宜蘭清晨低溫約10~11度~花蓮11~12度~到了台東就還有13~14度左右
目前看起來今天將受到冷空氣籠罩~
分裂高壓中心一整天都盤據在長江中游一帶~冷空氣不斷往台灣這邊輸送過來
溫度場預報顯示冷舌在今天還有可能再往南沿伸一些
北部東北部白天高溫估計只有13~14度~中部跟花蓮約16~18度~南部跟台東19~20度
北台灣一整天都是偏寒冷的情況~中南部日夜溫差較大
天氣方面則都是較為穩定的型態~北部東半部雲量較多
今晚到明晨間冷空氣達到充分南下的情況~風力應該會減小許多
只要雲層不干擾的話~低溫的幅度應該會比今天清晨更低
有機會出現上週日清晨那種普遍性偏低的情況~
特別是在空曠地區低溫將可能下探到5~7度間~提醒大家要特別注意
明天(14號)白天仍然受到冷空氣籠罩~不過冷空氣會稍微緩和
各地白天高溫略為上升~北台灣可望回升到15~16度~
中部跟花蓮18~20度~南部跟台東則有機會升到20度以上
天氣方面也持續是較為乾燥的情況~北部東半部雲量較多
值得注意的是目前的預測顯示明天白天蒙古一帶將有第三次分裂高壓南下的現象
雖然勢力不強~但是可能會跟目前影響台灣的分裂高壓產生結合
延緩整個高壓出海變性的時間~也就是大幅回暖的時間有可能再往後延
明晚到後天週四(15號)清晨各地溫度持續偏低~
配合輻冷作用~西半部空曠地區仍有機會出現6~8度低溫
中南部的日夜溫差還是相當的大
週四白天原本預估可望隨著高壓出海而大幅回暖~
目前的預測看起來高壓出海時間延後~週四可能只會來到長江口一帶而已~
雖然冷氣團本身會減弱~各地溫度還是會再回升一些~但是幅度應該不會太大
週四晚間到週五(16號)清晨西半部溫度仍低
週五白天高壓才正式的出海並且很快變性~冷空氣大幅北縮減弱
風向也將逐漸轉為東風為主~溫度明顯的回暖升高
週四各地的天氣仍然穩定~東半部雲量較多
週五東半部則可能有些零星的地形降雨出現
週六(17號)回暖的情況將持續~風向甚至有轉東南風的機會~東半部仍有局部地形降雨
週日(18號)要發消費券~原本預估可能會有鋒面影響的情況出現
不過目前的預測來看~鋒面以及西風槽通過的位置將較為偏北~
僅有尾端在週日晚間掠過台灣北部東北部海面一帶
迎風面地區到週日晚間天氣可能稍有變化~但是影響應該不明顯
鋒面後有一個弱冷高壓東移~現在的預測看起來高壓南移的幅度也不大
冷空氣的活動位置同樣偏北~對日韓等地造成的降溫較強烈
因此下週一(19號)僅是東北季風稍增強~溫度下降的情況有限
下週目前看起來可能會是大冷後明顯偏暖的一週
值得注意的是以中長期預測來看~下一輪較冷的時間有可能剛好落在過年期間
但是時間還早~有待觀察~以上簡單供參考囉~
--
原本略往北邊萎縮的冷空氣又強勢南衝~
地面天氣圖上清楚可見新的分裂高壓中心經蒙古~河套下到長江中游
溫度場的分析也顯示850百帕0度等溫線昨晚已經壓到北台灣上空
目前應該已經繼續往中部一帶南壓
各地的溫度昨天先後出現一路下滑的情況
最早反應的是北部~上午的溫度缺乏陽光升不上去~只到了15度左右就開始下降
一直降到今天清晨約9~10度間的水準~
不過風勢較強加上雲層多~濕度小~低溫無法再下探8度大關
中部一帶則在中午過後開始降溫~
高溫在中部因為有陽光的關係還升到19~20度
今天清晨則降到8~9度間~風勢也是較大的情況~同時前半夜有雲~輻冷受到干擾
南部降溫則更晚~大概到下午才開始下降~高溫也升得更高~有達到21~22度的水準
今天清晨的低溫大約降到10~12度左右
東半邊的宜花東等地昨天白天因為雲層較多的關係~
高溫升得並不高~宜蘭不到15度~花東也只到達16~18度
不過地形對冷空氣屏障的效果還是有出來~
宜蘭清晨低溫約10~11度~花蓮11~12度~到了台東就還有13~14度左右
目前看起來今天將受到冷空氣籠罩~
分裂高壓中心一整天都盤據在長江中游一帶~冷空氣不斷往台灣這邊輸送過來
溫度場預報顯示冷舌在今天還有可能再往南沿伸一些
北部東北部白天高溫估計只有13~14度~中部跟花蓮約16~18度~南部跟台東19~20度
北台灣一整天都是偏寒冷的情況~中南部日夜溫差較大
天氣方面則都是較為穩定的型態~北部東半部雲量較多
今晚到明晨間冷空氣達到充分南下的情況~風力應該會減小許多
只要雲層不干擾的話~低溫的幅度應該會比今天清晨更低
有機會出現上週日清晨那種普遍性偏低的情況~
特別是在空曠地區低溫將可能下探到5~7度間~提醒大家要特別注意
明天(14號)白天仍然受到冷空氣籠罩~不過冷空氣會稍微緩和
各地白天高溫略為上升~北台灣可望回升到15~16度~
中部跟花蓮18~20度~南部跟台東則有機會升到20度以上
天氣方面也持續是較為乾燥的情況~北部東半部雲量較多
值得注意的是目前的預測顯示明天白天蒙古一帶將有第三次分裂高壓南下的現象
雖然勢力不強~但是可能會跟目前影響台灣的分裂高壓產生結合
延緩整個高壓出海變性的時間~也就是大幅回暖的時間有可能再往後延
明晚到後天週四(15號)清晨各地溫度持續偏低~
配合輻冷作用~西半部空曠地區仍有機會出現6~8度低溫
中南部的日夜溫差還是相當的大
週四白天原本預估可望隨著高壓出海而大幅回暖~
目前的預測看起來高壓出海時間延後~週四可能只會來到長江口一帶而已~
雖然冷氣團本身會減弱~各地溫度還是會再回升一些~但是幅度應該不會太大
週四晚間到週五(16號)清晨西半部溫度仍低
週五白天高壓才正式的出海並且很快變性~冷空氣大幅北縮減弱
風向也將逐漸轉為東風為主~溫度明顯的回暖升高
週四各地的天氣仍然穩定~東半部雲量較多
週五東半部則可能有些零星的地形降雨出現
週六(17號)回暖的情況將持續~風向甚至有轉東南風的機會~東半部仍有局部地形降雨
週日(18號)要發消費券~原本預估可能會有鋒面影響的情況出現
不過目前的預測來看~鋒面以及西風槽通過的位置將較為偏北~
僅有尾端在週日晚間掠過台灣北部東北部海面一帶
迎風面地區到週日晚間天氣可能稍有變化~但是影響應該不明顯
鋒面後有一個弱冷高壓東移~現在的預測看起來高壓南移的幅度也不大
冷空氣的活動位置同樣偏北~對日韓等地造成的降溫較強烈
因此下週一(19號)僅是東北季風稍增強~溫度下降的情況有限
下週目前看起來可能會是大冷後明顯偏暖的一週
值得注意的是以中長期預測來看~下一輪較冷的時間有可能剛好落在過年期間
但是時間還早~有待觀察~以上簡單供參考囉~
--
Tags:
颱風
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