Re: 明後天持續注意午後大雷雨~2014/06/23 - 颱風討論

By Steve
at 2014-06-23T22:24
at 2014-06-23T22:24
Table of Contents
晚間在台北仍是降雨不斷的狀況,有點異樣的感覺,
看了一下風場的狀況,似乎原本在北部海面的東北風偷偷的往南壓了來,
南北風的輻合區悄悄來到北台灣上空,
簡單來說就是,地面鋒線跑得比預期還要偏南,直接對天氣造成了影響,
實際的地面觀測顯示風向蠻混亂的,地面鋒其實很弱,也不明顯,
但是由雷達連續動畫來看,的確可以看到北台灣隱約有一條西北-東南走向的線,
降雨回波從這條線出現,一路往東北方向擴散,
像是西南方上來的暖濕空氣在經過這條線後被舉升而形成降雨系統,
這也讓桃園、雙北以及宜蘭地區的天氣持續不穩定,今晚請多加注意。
http://ppt.cc/toLk
http://ppt.cc/3YBU
--
看了一下風場的狀況,似乎原本在北部海面的東北風偷偷的往南壓了來,
南北風的輻合區悄悄來到北台灣上空,
簡單來說就是,地面鋒線跑得比預期還要偏南,直接對天氣造成了影響,
實際的地面觀測顯示風向蠻混亂的,地面鋒其實很弱,也不明顯,
但是由雷達連續動畫來看,的確可以看到北台灣隱約有一條西北-東南走向的線,
降雨回波從這條線出現,一路往東北方向擴散,
像是西南方上來的暖濕空氣在經過這條線後被舉升而形成降雨系統,
這也讓桃園、雙北以及宜蘭地區的天氣持續不穩定,今晚請多加注意。
http://ppt.cc/toLk
http://ppt.cc/3YBU
--
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