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發震日期及時間, 地區. 香港天文台是一個負責監測及預測天氣、並就與天氣有關的災害發出警告的政府部門。. 天文台亦監測和評估香港的輻射水平，以及為廣大市民和航海、航空、工業及工程行業提供氣象和地球物理服務。.
Special Weather Tips. Tropical Cyclone Yinxing has entered within 800 kilometres of Hong Kong. With Yinxing gradually edging closer to the coast of southern China, the Observatory will issue the Standby Signal, No. 1 between noon and 3 p.m. today (8 November).
Generally speaking, weather in spring and summer such as fog, tropical cyclone and severe convective weather is more changeable, resulting in higher uncertainty of forecast. 9-day Hong Kong weather forecast provided by the Hong Kong Observatory.
天氣報告. 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.
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。
Tropical cyclone track information - GIS version. When a tropical cyclone forms within or enters the area bounded by 7-36N and 100-140E, the Observatory will issue the first tropical cyclone track within two hours.
Only limited data validation has been carried out. Local Weather Forecast | Regional Temperature Forecast in HK. 9-day Weather Forecast | UV Index Forecast. Weather Information for South China Coastal Waters | Automatic Regional Weather Forecast in Hong Kong & Pearl River Delta Region. Regional Weather in Hong Kong.
詳情，請參考. 這連結會以新視窗打開。. https://www.hko.gov.hk/tc/contact.htm。. 本網上時鐘不會修改你的電腦時間，如要以天文台的時間網絡伺服器校對電腦時鐘，請參考這個 校對電腦時鐘網頁。. 網上時鐘定期與香港天文台的時間伺服器校對時間。. 若電腦網絡連線 ...
網絡時間服務. 如要得悉現在的時間，請使用 網上時鐘。. 視窗用戶校對電腦時鐘. 香港天文台提供校對香港標準時間的服 務。. 電腦用戶現可透過天文台的互聯網時間伺服器 stdtime.gov.hk取得這項服務，此伺服器 可支援 NTP、SNTP、Time 及Daytime 聯網規約。. 此外 ...
Tropical Cyclone Site Map. Tropical Cyclone Main Page, Current Tropical Cyclone Warning and Related Information,Tropical Cyclone Warning Services,Educational Material on Tropical Cyclone,Tropical Cyclone Statistics and HKO Warnings & Signals Database,Tropical Cyclone Warning System for Hong Kong,Tropical Cyclone Reports and Publications.
