
[討論] 近三小時內的降雨情況

深顏色的降雨情況集中在中部的南投縣,彰化與南投交界,雲林與南投交界。
東北部的一小塊部分則集中在沿海地區。
然後查看了氣象局的近三小時雨量累積表:
http://www.cwb.gov.tw/V7/observe/rainfall/A136.htm
http://img521.imageshack.us/img521/626/618e.png

(將前25名觀測站雨量畫面反白)
前25名近三小時降雨量最多的觀測站,
南投縣佔了12個,雲林縣4個,彰化縣3個。
(兩個南投竹山測站三小時雨量分別是 桶頭:168mm/108.5mm)
這是代表最近三小時西南氣流降下的雷雨最多集中下降在彰雲投三縣市嗎?
再看每小時雨量分析:
http://www.cwb.gov.tw/V7/observe/rainfall/Rain_Hr/22.htm
1700~1800 1600~1700 1500~1600 1400~1500
南投縣竹山鎮(桶頭) 38.5 54.5 71.5 24.5
南投縣竹山鎮(竹山) 45.5 5.5 62.0
南投竹山過去4小時內已降下將近200mm雨量。
題外話:我下午約4點多看天空還沒下雨,想說先到附近郵局匯款,用步行帶雨傘就好。
等5點間在南投市郵局辦好事剛出來時,看到傾盆豪雨。
想說先在郵局騎樓等雨停,沒想到越下越大。
大約5點~5點半間的豪雨夾帶著閃電打雷+能見度很差的灰濛濛空氣,
嚇得不敢撐雨傘走回去附近幾百公尺家裡。
(結果等5點半後雨變小了再走回去,褲管跟鞋子還是被雨淋濕)。
回加上中央氣象渠網站查降雨量,果然雨量累積的圖表大量集中在南投縣...
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