Hong Kong's observatory said Super Typhoon Ragasa, which was packing maximum sustained winds near the centre of about 230 kph, is expected to move west-northwest at about 22 kph across the northern part of the South China Sea and edge closer to the coast of Guangdong province, the southern Chinese economic powerhouse
China's National Meteorological Centre forecast the typhoon would make landfall in the coastal area between Shenzhen city and Xuwen county in Guangdong province on Wednesday
Already hoisting a strong wind signal, the observatory in Hong Kong will issue storm warning signal No. 8, the third-highest in the city's weather alert system, on Tuesday afternoon and will assess the necessity of upgrading the signal on Tuesday night or Wednesday morning
The city categorises tropical cyclones with maximum sustained winds near the centre of 185 kph or above as super typhoons to make residents extra vigilant about the approach of more intense storms
The water level is forecast to rise about 2 metres over coastal areas in the Asian financial hub on Wednesday morning, and the maximum water level in some areas could hit 4 to 5 metres above the typical lowest sea level
The government said the water levels could be similar to those recorded during Typhoon Hato in 2017 and Typhoon Mangkhut in 2018 - estimated to have caused the city direct economic losses worth over 1 billion Hong Kong dollars USD 154 million and 4.6 billion Hong Kong dollars (about USD 590 million), respectively
Residents living in flood-prone areas have already put sandbags and barriers at their doors, while others have put tape on windows and glass doors to brace for strong winds. Many people stockpiled food and daily supplies on Monday, as some market vendors reported that their goods were selling out fast
Schools were closed in Hong Kong and the neighbouring city of Macao. Other cities such as the Chinese tech hub of Shenzhen and Foshan in Guangdong province and Haikou in Hainan province ordered class cancellations and a gradual suspension of other businesses and transportation
Hundreds of flights were cancelled in Hong Kong. Shenzhen airport will halt all flights from Tuesday night. The Macao government activated its emergency response mechanism as it expected Ragasa would pass within 100 kilometers to the south of the casino hub on Wednesday morning

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