Hong Kong Observatory Issues Hail Warning Amid Amber Rainstorm Signal
Heavy rain exceeding 30mm per hour triggers amber warning as northeast monsoon affects Guangdong region
Quick Look
- Hong Kong Observatory issued an amber rainstorm signal at 2.20pm on Sunday, warning that heavy rain exceeding 30mm per hour had fallen or was expected to persist across the city.
- At around 3pm, the Observatory warned that hail was expected to affect Hong Kong in the short term.
- Under the influence of northeast monsoon and localized upper-air disturbances, weather was expected to remain slightly cooler over Guangdong province for the next couple of days, with showers easing midweek.
AI-generated summary
Why It Matters
The Hong Kong Observatory regularly issues weather warnings including rainstorm signals and hail warnings. The amber signal is the second-highest of three rainstorm warning levels, indicating heavy rain that may cause traffic disruptions and potential flooding.
The Hong Kong Observatory has warned that hail may affect the city shortly, after issuing the amber rainstorm signal on Sunday afternoon. The amber signal was issued at 2.20pm, indicating heavy rain exceeding 30mm per hour had fallen or was expected to persist across the city. “Hong Kong is expected to be affected by hail in the short term,” the Observatory said at around 3pm. Under the influence of the northeast monsoon and localised upper-air disturbances, the weather was expected to remain slightly cooler over Guangdong province for the next couple of days, it said. “Upper-air disturbances will bring showers to the region. With the upper-air disturbances departing, showers will ease off over the coast of southern China midweek this week,” the Observatory said.
Open Questions
- How severe was the actual hail impact?
- Were there any injuries or property damage reported?
- What specific areas of Hong Kong were most affected?




