Hong Kong Observatory cancels amber rainstorm warning

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The Hong Kong Observatory cancelled the amber rainstorm warning more than two hours after it was issued on Thursday afternoon, with a trough of low pressure affecting the coast of Guangdong.

The weather forecaster sent out the warning at 4.25pm on Thursday shortly after issuing a special weather alert saying that widespread heavy rain might affect the city in a couple of hours. It was cancelled at 6.45pm.

An amber rainstorm warning means heavy rain exceeding 30mm has fallen or is expected to fall in an hour.

“There will be flooding in some low-lying and poorly drained areas,” the Observatory warned.

“People who are likely to be affected should take necessary precautions to reduce their exposure to risk posed by the heavy rain and flooding.”