The Hong Kong Observatory issued an amber rainstorm warning signal at 9:40am on Thursday, with heavy rain and gusts of over 70mph predicted across the territory.

Webcams across Hong Kong at around 10am. Photo: HKO.

Flooding in some low-lying and poorly drained areas was expected.

Citizens are advised to stay away from water courses as the rain may bring flash floods.

Rainfall as of 9:30am. Photo: Hong Kong Observatory.

As of 9:45am, northern Lantau and northern and western New Territories recorded more than 10 millimeters of rainfall in the last hour. But the Observatory expects rainfall exceeding 30 millimeters in some areas within an hour.

Rainy weather is expected to continue until Saturday, affected by a trough of low pressure in southern China. Hot weather is expected to return next Wednesday.

9-day weather forecast. Photo: Hong Kong Observatory.

“An easterly airstream will affect the south China coast during the weekend and early next week,” the Observatory added. “A southerly airstream is expected to bring hot and showery weather to the region midweek next week.”

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Ellie Ng

Ellie Ng has written for Foreign Policy, the Daily Telegraph, Global Voices Online and others.