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  1. 及 符號後的數字為天文台當日的最高及最低氣溫預測或記錄,亦可視作當日於天文台的氣溫變化範圍。 注意事項: 「我的位置天氣」所顯示的氣象數據是由最接近用戶選取位置的氣象站提供。若附近的氣象站沒有數據提供時,會使用天文台總部、京士柏及天星碼頭氣象站的數據代替。

  2. 城巿化效應對巿區熱能平衡的影響. 城巿化效應對巿區近地面風的影響. 在香港,「熱島效應」基本上是夜間現象。. 這效應 (巿區與郊區的溫差)在冬季時較為顯著,尤其是在大氣穩定、微風及天朗氣清的日子最為明顯。. 從香港市區到郊區的晚間氣溫變化圖 (氣溫 ...

  3. 天文台. 及 符號後的數字為天文台當日的最高及最低氣溫預測或記錄,亦可視作當日於天文台的氣溫變化範圍。. °C. %. 天氣預測. 天氣概況 . 展望:. 天氣 廣播站. 氣象 冷知識.

    • About This Website
    • About Hourly Forecast
    • About Route-Based Rain and Lightning Forecast
    • About The Trails
    • About The Map

    This webpage provides hourly weather forecast for 7 days of the main hiking trails in Hong Kong to facilitate users in planning their trips. Upon a hiking route is selected, the approximate time required for the trip and the on-route hourly weather forecast will be calculated. Meanwhile, the Observatory also collaborated with the Agriculture, Fishe...

    The Hourly Forecast is directly generated from a computer forecast system without manual adjustments, and may be different from the official weather forecasts issued by the Observatory or the measurements recorded at individual weather stations. Please refer to the weather warning signals and official forecasts issued by the Observatory. Please ref...

    Currently, Route-based Rain and Lightning forecast (Rain & Lightning Forecast) is limited to some routes (the routes) near the locations of QR code on the map. Subject to the length of the routes, this website provides up to two-hour rain forecast and up to one-hour lightning forecast information respectively. Users can get hold of rain and lightni...

    This webpage only provides weather forecasts for major hiking trails in Hong Kong, but not all of the hiking trails. For detailed route information, please refer to the This link will open in a new windowwebsiteof Agriculture, Fisheries and Conservation Department.

    The background geographical information on this page comes from "GEOINFO MAP" and the terms of using the map refer to the Terms of Use inside the "GEOINFO MAP" This link will open in a new windowwebsite.

  4. 預測準確度一般隨預報時效增加而遞減,誤差則隨預報時效增加而增大。「九天天氣預報」中除了「顯著降雨概率」以外的天氣預測,第一至三天、第四至七天和第八至九天天氣預報的平均準確度分別約為百分之九十、八十五和八十。

  5. 2020年3月20日 · 2020年3月20日 地球約七成面積是海洋和湖泊。雲是怎樣形成的?為甚麼會下雨和落雪?雨水最終去了哪裡?在新一集『氣象冷知識』,天氣家族成員為你講解水循環。影片已上載到『我的天文台』流動應用程式及天文台網站,歡迎收看。

  6. 2018年6月22日 · 2018年6月22日. 1972年「六一八雨災」,引發觀塘雞寮與港島西半山嚴重山泥傾瀉,超過一百三十人殞命,留下香港山泥傾瀉歷史最慘痛篇章。. 當年倖存者相隔近半世紀憶述當日情景,猶有餘悸。. 政府於雨災後五年成立土力工程處,逐步建立完整的斜坡安全系統 ...