The Hong Kong Observatory issued an amber rainstorm warning on Tuesday morning, warning of unsettled weather over the next few days. The amber warning, issued at 7.15am, means that more than 30mm of rain has fallen in an hour, or is expected to fall generally over Hong Kong and is likely to continue. “Showers will be heavier in some areas [on Wednesday]. The weather will still be unsettled in the following couple of days,” the weather forecaster said. It added that a broad trough of low pressure...