Amber Rainstorm and gusty winds strike Hong Kong, causing widespread flooding, Shenzhen declares emergency after 100mm rainfall

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Exit B3 at MTR Wong Tai Sin Station was flooded.

23rd April 2024 – (Hong Kong) The Hong Kong Observatory has issued a series of urgent weather warnings as intense thundery showers sweep across the region, driven by a low-pressure trough affecting the Guangdong coastline. With significant rainfall recorded and anticipated, the Observatory activated an Amber Rainstorm Warning at 8.30am, signalling expectations of heavy showers exceeding 30 millimetres per hour, with the situation likely to persist.

By 10.30am, the yellow rainstorm warning and thunderstorm alerts were still active. Netizens have captured and shared images of the flooding online, urging the public to be cautious of transportation and safety.

Minor flooding is reported on Ping Ha Road in Lau Fau Shan, where vehicles need to navigate through water. Outside of the Fanling Centre, water has accumulated, and torrential rain pours down the walls of the mall like a curtain. Additionally, the B3 exit of the MTR Wong Tai Sin Station experienced flooding, but the Milk Cafe located in Temple Mall North was unaffected and remains open.

As the band of intense thundery showers moves eastwards across the Pearl River Estuary, severe squally thunderstorms are predicted to hit Hong Kong within hours. This has heightened alerts among community members and authorities, urging everyone to stay informed through radio or television broadcasts regarding traffic conditions and further weather updates.

Meanwhile, Shenzhen has escalated its weather alert to a red warning after recording more than 100 millimetres of rain within three hours this morning, indicating a shift to an emergency state for heavy rainfall defence. The city is expected to face continued heavy downpours for an additional two to three hours, raising concerns about extensive flooding and disruptions.

In Sai Kung, a localised heavy rain alert was issued around 10am after recording or expecting rainfall exceeding 70 millimetres per hour, which could lead to inundation. As of 12am, both the Amber Rainstorm Warning and a thunderstorm warning remain in effect, with forecasts predicting cloudy conditions, sudden heavy showers, and strong squally thunderstorms throughout the day. Temperatures are expected to range between 22 and 27 degrees Celsius.

Looking ahead, the weather is expected to remain unstable in the coming days with intermittent showers and thunderstorms. However, a gradual improvement is forecasted from early next week, with mostly cloudy skies and brief sunny periods by Monday, 29th April. Labour Day on 1st May is also expected to be mostly cloudy with occasional showers and localised thunderstorms, with temperatures ranging from 25 to 29 degrees Celsius.

Outside of the Fanling Centre, water has accumulated, and torrential rain pours down the walls of the mall like a curtain.