HKO e-Bulletin on Educational Resources Issue No. 81
Issue No. 81 (June 2025) |
Enter![]() Educational Resources site |
The HKO e-Bulletin on Educational Resources is published on-line to cover in layman terms various interesting topics related to weather phenomena and popular science, as well as the latest developments in science and technology related to the Observatory's service on meteorology, radiation and geophysics. We welcome your views and suggestions.
This issue is rich with articles covering topics including 'Earthquake', 'Tropical Cyclone', 'Marine', 'Astronomy' and 'Climate'. Selected video clips from 'Cool Met Stuff' are also included.





- “Rapid Intensification” of Tropical Cyclones
- Capturing Local Ground Motion: The Key Role of Peak Ground Acceleration in Earthquake Monitoring
- Understanding Ocean Waves: Properties, Formation and Classification
- Understanding the Sun Path: The Figure "8" in the Sky!
- The Relationship between Winter Weather, the Polar Vortex, and the Arctic Oscillation
- Cool Met Stuff - Dr Louie tells you the truth - Hot moist weather is dangerous (in Cantonese only)
- Cool Met Stuff - Meiyu "plum rain" (in Cantonese only)
- Cool Met Stuff - Why does extreme rainfall target me?! (in Cantonese only)
- Cool Met Stuff - Tornadoes from Severe Thunderstorms (in Cantonese only)
- Cool Met Stuff - Weather Forecast and Artificial Intelligence (in Cantonese only)
- New names for tropical cyclones in 2025 introduced
- Enhanced Information Services related to Heavy Rain and Severe Convective Weather
- HKO Enhances its Radar and Satellite Imagery Services
- Earthquake Risk of Japan's Nankai Trough and its Potential Impact to Hong Kong