Forecaster issued the rainstorm warning at 11.10am and took it down at 2.35pm
The forecaster issued the amber alert, the lowest level in a three-tier rainstorm warning system, at 11.10am on Sunday and later cancelled it at 2.35pm.
The warning means that heavy rain has fallen or is expected to fall generally over Hong Kong, exceeding 30mm (1.2 inches) in an hour, and is likely to continue.
Temperatures throughout the day are expected to hover between 27 and 31 degrees Celsius (80.6 and 87.8 Fahrenheit).