Hong Kong to issue Standby Signal No. 1 tonight, and may consider higher Tropical Cyclone Warning Signals on the weekend

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Extremely hot weather is expected to persist due to the outer subsiding air of the tropical cyclone. The Labour Department has reminded employers and employees to take appropriate measures to prevent heat stroke.

As Tropical Cyclone Wipha gradually intensifies and approaches Hong Kong, the Observatory will issue the Standby Signal, No. 1 tonight (18 July), and consider issuing the Strong Wind Signal, No. 3 during the day on Saturday (19 July).

Depending on the development and movement of Wipha, the Observatory will assess the need to raise the Tropical Cyclone Warning Signals on Sunday.

Influenced by the outer subsiding air of the tropical cyclone, the city will experience persistently very hot weather. The Very Hot Weather Warning and the Heat Stress at Work Warning are now in effect.

The Labour Department has reminded employers to assess the risk factors of heat stress for employees at work. Based on the identified risk factors, they should take necessary preventive and control measures, including rescheduling work periods, setting up shading covers, providing ventilation and heat dissipation equipment, and reminding employees to stay hydrated and take regular breaks to avoid heat stroke when working in hot weather or hot environments.

Additionally, the Centre for Health Protection of the Department of Health has also advised the public to take precautions against heat stroke and sunburn. These measures include:

• Wearing loose and light-coloured clothing.
• Avoiding vigorous exercise and prolonged activities outdoors.
• Ensuring good ventilation indoors.
• Rescheduling work to cooler times of the day if feasible, or introducing shade in the workplace where practicable and resting in cooler areas at regular intervals.
• Drinking plenty of water, and avoiding beverages containing caffeine or alcohol.
• Consulting a doctor immediately if feeling sick.

The Observatory estimated heavy squally showers, thunderstorms, and strong winds later on Saturday to Monday. The public is advised to remain cautious and take note of the latest weather information from the Observatory.

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