Hong Kong Observatory
A public authority
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Andy Chui,
你好！
謝謝你2月19日的電郵。
凝結尾跡其實是飛機經過濕冷的空氣時所產生的尾跡，是一種因人類活動而產生的雲
。當飛機飛行的時候，飛機引擎在燃燒燃料時會不斷排放出炙熱的蒸汽。當這些熱的
氣體在飛行高度遇到周圍寒冷的空氣時，便會冷卻並凝結成水滴或冰晶，形成一條尾
跡...
Does Hong Kong Manipulate the Weather?
Response by Hong Kong Observatory to Allyson van de Pol on .
Partially successful
Our ref.: HKOG 6/5/1
Dear Allyson van de Pol,
Thank you for your email dated 9 December 2022 to the Hong Kong
Observatory.
According...
Andy Chui 你好！
天文台網站只提供過去每日數據，可在以下網址找到過去每日氣候數據 :
[1]氣 候 資 料 服 務
在 "氣 候 資 料 庫" 裡點擊 "個 別 氣 象 站"，在 "氣 象 站 :" 選擇想要查詢
的氣象站，點擊
"個別要素的每日數據"
選擇 ...
Dear Dr Simon Wang,
Reference is made to your enquiry dated 11 May 2022.
Attached please find HKO’s responses to your questions. If you ha...
https://www.hko.gov.hk/en/radiation/monitoring/landing_ermp.html
More info about Environmental Radiation Monitoring Programme (ERMP) can be found via...
Dear Jasmine,
Thank you for your email on 16 Oct 2017.
Please visit our web page "Warnings & Signals Database"
[1]http://www.weather.gov.hk/cis/wa...
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