2023 Hong Kong rainstorm and floods
Low pressure system of former typhoon Haikui, affecting the Pearl River Delta area | |
| Cause | Low pressure trough of residual Typhoon Haikui |
|---|---|
| Meteorological history | |
| Duration | 7–8 September 2023 |
| Flood | |
| Maximum rainfall | 158.1 millimetres (6.22 in) hourly |
| Overall effects | |
| Fatalities | 15 (4 in Hong Kong, 11 in Guangxi) |
| Injuries | 144 (Hong Kong) |
| Economic losses | HK$100 million |
| Areas affected | Hong Kong, Macau, southern coast of China |
In the evening of 7 September 2023, a heavy rainstorm struck the territory of Hong Kong and the Pearl River Delta area, including parts of Guangdong, China and Macau. The record rainfall caused widespread flooding and landslides in the cities, four dead and dozens injured.