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    What's New

    What's New

    What's New

    What's New

    2025 July
    "Cool Met Stuff": The smell of rain
    18 July 2025
    Summary of Environmental Radiation Monitoring in Hong Kong 2024
    17 July 2025
    "Cool Met Stuff": Earth's orbit and climate
    4 July 2025
    The Weather of June 2025 - A hot and relatively dry June
    3 July 2025
    2025 June
    HKO launches “Extreme Total Rainfall of Automatic Weather Stations” webpage
    30 June 2025
    More computer model forecast products available on “Earth Weather”
    30 June 2025
    "Cool Met Stuff": Schedule on the issuance of Tropical Cyclone Warning Signals?
    27 June 2025
    More Observatory’s datasets released on Government Open Data Portal and Common Spatial Data Infrastructure (CSDI) portal (2025)
    26 June 2025
    "Cool Met Stuff": UV ABC
    20 June 2025
    Observatory's history webpage updated to 2024
    17 June 2025
    HKO e-Bulletin on Educational Resources Issue No.81
    11 June 2025
    "Cool Met Stuff": Meiyu "plum rain"
    6 June 2025
    The Weather of May 2025 - A relatively dry and hot May
    3 June 2025
    2025 May
    "Cool Met Stuff": Dr Louie tells you the truth - Hot moist weather is dangerous
    30 May 2025
    New names for tropical cyclones in 2025 introduced
    28 May 2025
    "Cool Met Stuff": Hail
    9 May 2025
    The Weather of April 2025 - A relatively dry and bright April
    6 May 2025
    2025 April
    Enhanced Information Services related to Heavy Rain and Severe Convective Weather
    29 April 2025
    Overview of Tropical Cyclone in December 2024
    29 April 2025
    Report on Super Typhoon Man-yi (2424)
    28 April 2025
    Report on Typhoon Toraji (2423)
    28 April 2025
    Report on Super Typhoon Yinxing (2422)
    28 April 2025
    Overview of Tropical Cyclone in November 2024
    28 April 2025
    "Cool Met Stuff": Why does extreme rainfall target me?!
    25 April 2025
    "Cool Met Stuff": Tornadoes from severe thunderstorms
    4 April 2025
    The Weather of March 2025 - A relatively dry and mild March
    2 April 2025
    2025 March
    HKO enhances its radar and satellite imagery services
    31 March 2025
    Projections of the annual number of rain days, annual number of extreme rainfall days, average rainfall intensity and the annual maximum number of consecutive dry days in Hong Kong
    25 March 2025
    The Observatory in support of UN’s “Early Warnings for All” Initiative and New International Technical Standards
    24 March 2025
    “Cool Met Stuff”: Lightning Detection: A 20-Year Journey
    21 March 2025
    Annual Outlook for 2025
    19 March 2025
    Director of Hong Kong Observatory highlights HKO's latest services and annual weather outlook
    18 March 2025
    The Weather of February 2025 - A February with close to normal temperature
    4 March 2025
    2025 February
    "Cool Met Stuff": Phased Array Weather Radar and Low Altitude Weather
    28 February 2025
    Report on Typhoon Trami (2420)
    28 February 2025
    Overview of Tropical Cyclone in October 2024
    28 February 2025
    Hong Kong Observatory to hold Open Day 2025
    18 February 2025
    “Cool Met Stuff”: Damp Days
    14 February 2025
    The Weather of January 2025 - A dry and sunny January
    4 February 2025
    2025 January
    "Cool Met Stuff": Dr Louie tells you the truth – Tips for doing sports in “dry cold” and “wet cold”
    31 January 2025
    "Cool Met Stuff": Weather forecast and artificial intelligence
    24 January 2025
    HKO e-Bulletin on Educational Resources Issue No.80
    17 January 2025
    2024 was the warmest year
    13 January 2025
    "Cool Met Stuff": No Lunar New Year’s Eve on the 30th Day?
    10 January 2025
    Overview of Tropical Cyclone in September 2024
    7 January 2025
    The Weather of December 2024 - A dry December
    3 January 2025
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