氣象專家透露︰「暴風圈是虛擬的正圓形」 - 颱風討論

By Hamiltion
at 2015-08-22T11:27
at 2015-08-22T11:27
Table of Contents
氣象專家透露︰「暴風圈是虛擬的正圓形」
2015-08-22 11:15
〔即時新聞/綜合報導〕面對「天鵝」颱風路徑詭異,中央氣象局遲遲未發布陸上颱風警
報,氣象專家吳德榮對此透露,其實分析颱風的暴風圈,是虛擬的正圓形。
吳德榮在《CTS》網站以「陸警發與不發」為題發文,透露颱風預報因為觀測資料不足的
條件下與科學的極限,實際上有一定的存在「不確定性」,然而發布警報的標準卻是確定
的,7級風暴風圈接觸鄰近100公里海域,前24小時發布「海上」警報,接觸陸地前18小時
,發布「海、陸上」警報。
不過,海面上並無法足夠的分析颱風的暴風圈,所以虛擬的正圓形,並不能代表真正的7
級風範圍,但「陸警」的發與不發,卻由虛擬的圈會不會觸陸決定。
這次「天鵝」颱風其預測路徑,使得虛擬的暴風圈正好在台灣陸地邊緣,隨時都有接觸的
可能,而因為路徑本身就存在不確定性,向左、右偏都是可能的,所以常被「天鵝」短時
間的變化給影響。
http://news.ltn.com.tw/news/life/breakingnews/1420413
大家的看法是
--
2015-08-22 11:15
〔即時新聞/綜合報導〕面對「天鵝」颱風路徑詭異,中央氣象局遲遲未發布陸上颱風警
報,氣象專家吳德榮對此透露,其實分析颱風的暴風圈,是虛擬的正圓形。
吳德榮在《CTS》網站以「陸警發與不發」為題發文,透露颱風預報因為觀測資料不足的
條件下與科學的極限,實際上有一定的存在「不確定性」,然而發布警報的標準卻是確定
的,7級風暴風圈接觸鄰近100公里海域,前24小時發布「海上」警報,接觸陸地前18小時
,發布「海、陸上」警報。
不過,海面上並無法足夠的分析颱風的暴風圈,所以虛擬的正圓形,並不能代表真正的7
級風範圍,但「陸警」的發與不發,卻由虛擬的圈會不會觸陸決定。
這次「天鵝」颱風其預測路徑,使得虛擬的暴風圈正好在台灣陸地邊緣,隨時都有接觸的
可能,而因為路徑本身就存在不確定性,向左、右偏都是可能的,所以常被「天鵝」短時
間的變化給影響。
http://news.ltn.com.tw/news/life/breakingnews/1420413
大家的看法是
--
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