Amber Rainstorm Warning Signal issued at 12.20am

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28th May 2024 – (Hong Kong) In a special announcement issued by the Hong Kong Observatory at 12.20am, the Rainstorm Warning Signal was raised to Amber. This signifies that heavy rain has either already fallen or is anticipated to occur across Hong Kong, with hourly rainfall exceeding 30 millimetres and likely to persist.

As a result, certain low-lying and poorly drained areas are expected to experience flooding. Individuals residing in these susceptible areas are urged to take necessary precautions to minimize their exposure to the risks associated with heavy rain and potential flooding.

Furthermore, a Thunderstorm Warning was issued at 11.05pm yesterday and will remain in effect until 2.30am today. Thunderstorms are predicted to develop in Hong Kong. The public is advised to adhere to safety measures during thunderstorms.

Yesterday, an active southerly airstream brought showers and thunderstorms to the region surrounding the Pearl River Estuary. Concurrently, a trough of low pressure impacting the northern parts of southern China was moving towards the coastal areas. Locally, the weather was predominantly cloudy with scattered showers and isolated thunderstorms. Today, the trough of low pressure is expected to bring heavy showers and squally thunderstorms to the coast of Guangdong before gradually shifting southward over the next few days.

In addition, Severe Tropical Storm Ewiniar intensified into a typhoon yesterday. As of 11pm last night, Typhoon Ewiniar was positioned approximately 460 kilometres northeast of Manila. The forecast indicates that it will continue to track northeast at a speed of around 20 kilometres per hour across the seas east of Luzon.

The weather forecast for Hong Kong on Tuesday, predicts mainly cloudy conditions with intermittent showers. Showers are expected to be heavy at times, accompanied by squally thunderstorms initially. Temperatures will range between 26 and 30 degrees Celsius, with moderate southwesterly winds gradually shifting to moderate easterlies later in the day.