何謂"瞬間大雨"? - 颱風討論
By Erin
at 2016-02-12T01:45
at 2016-02-12T01:45
Table of Contents
所謂的"大雨",在CWB的定義是:
http://www.cwb.gov.tw/V7/observe/rainfall/define.htm
大雨(heavy rain):
指24小時累積雨量達80毫米以上,或時雨量達40毫米以上之降雨現象。
但如果看CWBㄧ些天氣訊息,會有所謂"瞬間大雨"一詞,
http://imgur.com/a/ua7av
這個"瞬間大雨"到底是怎麼樣的一個雨量呢?
究竟是以每秒或每分鐘換算成40 mm/hr 或80 mm/24hr ?
還是這是個抽象、主觀的用詞呢?
當我們看到這樣的一個天氣資訊或預報,
該如何將其量化為一項參考依據呢? @@
另外,有"瞬間大豪雨"或"瞬間超大豪雨"嗎? @@
--
http://www.cwb.gov.tw/V7/observe/rainfall/define.htm
大雨(heavy rain):
指24小時累積雨量達80毫米以上,或時雨量達40毫米以上之降雨現象。
但如果看CWBㄧ些天氣訊息,會有所謂"瞬間大雨"一詞,
http://imgur.com/a/ua7av
這個"瞬間大雨"到底是怎麼樣的一個雨量呢?
究竟是以每秒或每分鐘換算成40 mm/hr 或80 mm/24hr ?
還是這是個抽象、主觀的用詞呢?
當我們看到這樣的一個天氣資訊或預報,
該如何將其量化為一項參考依據呢? @@
另外,有"瞬間大豪雨"或"瞬間超大豪雨"嗎? @@
--
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颱風
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