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Hong Kong environmental issues
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SCMP Editorial

Editorial | Hong Kong needs stronger plan for a future of more frequent extreme weather

The fourth black rainstorm warning in eight days brings home the reality that the city must work even harder to prepare for such events

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A woman waits to cross a flooded section of New Clear Water Bay Road in Choi Hung on August 5. The Hong Kong Observatory had issued a black rainstorm warning for the second time in six hours. Photo: Sam Tsang
Hong Kong’s emergency response system has been put to the test again as heavy rain battered the region. With four black rainstorm warnings issued over the past eight days – the latest one lasting just over 11 hours yesterday the city needs to be better prepared as extreme weather events hit more often than before.

Thanks to the city’s experience of coping with the vagaries of the wet season, including typhoons, over the years, a relatively well-established government mechanism has been in place. But a reality check came as another record-breaking downpour wreaked havoc. The Observatory had recorded 355.7mm of rainfall at its headquarters in Tsim Sha Tsui by 2pm, making it the highest daily rainfall recorded in August since records began in 1884. This is the first time there have been four highest-level rainstorm alerts in eight days.

Unlike the first two alerts last Tuesday and Saturday, which caught many by surprise, the authorities had warned of torrential rain on Monday evening. But the city is apparently still not fully prepared. There were at least 70 flooding and 15 landslide reports. The images of roads blocked by mud and vehicles half-submerged in water have raised questions over the government’s flood and landslide prevention control.
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Chief Secretary Eric Chan Kwok-ki said that the government has a well-established response system for inclement weather, with the Emergency Monitoring and Support Centre coordinating various government departments to handle flooding, fallen trees and blocked roads. But some affected residents described the impact as more devastating than that of the “once-in-500 years” deluge in September 2023, when the black rainstorm warning was in force for a record 16 hours.

Credit goes to the government for its advance preparation strategy to reduce the impact and damage brought by typhoons in recent years. But this has also effectively raised expectations of its performance in battling weather-induced crises, especially when the more unpredictable nature of rainstorms leaves little time for public preparation. The havoc wrought by inclement weather underlines the need for stronger and more sustainable preparation. The authorities should go beyond having ad hoc high-level steering meetings each time and make drainage, slope safety and other enhancement works ongoing priorities.

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Acts of God are beyond human control but their impact can be mitigated by more vigorous advance preparation. As extreme weather events tend to hit more frequently than once every decade or century, as in the past, the new normal calls for more concerted efforts from all sectors to weather the greater number of storms.

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