Re: [討論] 東加海底火山爆發造成的氣壓變化?
https://twitter.com/simon_sat/status/1483129968393695239
Based on analysis of data from global weather satellites, our preliminary
data for the #Tonga volcanic cloud suggests that it reached an altitude of
39km (128,000ft).
We'll refine the accuracy of that in the coming days, but if correct that's
the highest cloud we've ever seen.
I should add: These are unheard of altitudes and our usual methods do not
work as well up there.
Even if this gets corrected downwards it will still be extraordinarily high,
I can't see it being below 30km in any case.
根據來自全球氣象衛星的資料,初步分析東加火山雲有高達39公里(128,000英呎)
之後會做校正,但如果真的是這樣這可是我們見過最高的雲
即使有向下修也依舊很高
不太可能低於30公里
下面的推文也提即使是overshoot也可能會有40 ~ 43公里
這大概是繼皮納土波火山噴發以來最高的
雖然說這裡是大氣板,還是貼一個地科板類的YouTube連結
Hunga Tonga Volcano Eruption Update; The Island and its Volcano are Gone
https://www.youtube.com/watch?v=hYvThiDk-iU
--
128,000英呎 少了一個0 XD
這就叫突破天際的高度
海水+火山灰
猛
13
遠在地球另一頭芬蘭也測到了衝擊波 而且很特別是 它的方向是由北向南 因為位置的關係,衝擊波是通過了北極之後朝南方通過18
剛才聽氣象廳的記者會說到氣壓上升 因為覺得有趣,所以把台灣各地測站的資料拼起來看看 很明顯大約同時在 1/15 19:50-20:00 左右發生氣壓上升現象 上升的幅度大約 1~2 hPa ,和日本觀測到的強度差不多 以下附圖,挑了六個測站拼起來26
首Po(第一次在這裡發文, 若有不妥請不吝告知) 今天東加王國的海底火山爆發規模好像不小 正好晚上看日本的新聞, 提到了日本的各地測站 在當地晚上8-9點都觀測到突然的氣壓變化2
分享給一些可能沒有追蹤氣象局臉書的板友 氣象局在前兩天也有一則關於這次火山爆發造成的氣壓變化的可視化(?影片 搭配全台測站的氣壓變化呈現,讓整個傳遞方向與方式更清楚了 (感覺起來也要感謝一下在氣象局內臥底的板友?)
爆
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