Hong Kong’s forecaster cancelled the amber rainstorm warning on Tuesday afternoon, as residents on Lantau and other islands cleared up after flooding hit several areas.

The amber signal was cancelled at 4.30pm. At the height of the downpours, authorities earlier in the day issued the red rainstorm warning before downgrading it to amber at 4pm.

On Lantau Island, more than 90mm of rainfall per hour was recorded at Cheung Sha as of 11.45am. More than 90mm of rainfall was also recorded on Lamma Island as of 3.20pm.

The Observatory first sent out an amber warning at 10am and told the public to brace for heavy showers. The signal, along with a thunderstorm warning issued at 9.30am, was slated to end at noon. Both were extended to 3.30pm before the red rainstorm warning was issued.

The forecaster said the weather was the result of a trough of low pressure in a northern portion of the South China Sea and along the coast of Guangdong.

The weather was expected to remain unsettled over the South China coast for the next couple of days, it added.

Upper-air disturbances are expected to bring unsettled weather to the coast towards the weekend.