
Cold and Very Hot Weather Warnings
Hong Kong experiences both hot and cold seasons. The Observatory
maintains a close watch on the local temperature changes. It issues warnings
whenever Hong Kong is threatened by cold or very hot weather, to alert members
of the public to the danger of low body temperature or the risk of heatstroke
and sunburn due to cold weather or very hot weather respectively.
Once issued, the warnings are broadcast over radio and television.
If necessary, the Observatory will hold press briefings, through which members
of the public are reminded to take necessary precautions.
If cold or very hot weather persists, the Observatory will
repeat the special announcements while the corresponding weather warning is
in force, to remind the public to take necessary actions.
These warnings also alert relevant government departments,
such as the Social Welfare Department and the Home Affairs Department to consider
the need to take actions, such as the distribution of blankets and the opening
of temporary shelters.
It is important that members of the public take note of these
warnings and take steps to protect themselves and their family against cold
or very hot weather. For an update on the status of weather warnings, the public
may listen to radio and television broadcasts, or call the Observatory Dial-a-Weather
service, or the Observatory Internet homepage.
Actions to be taken for Cold Weather Warning

- Members of the public are advised to put on warm clothes
and beware of low body temperature due to the cold weather.
- If you must go out, avoid prolonged exposure to wintry
winds.
- If you know of elderly or persons with chronic medical
conditions staying alone, call or visit them occasionally to check if they
need any assistance.
- 4. Make sure heaters are safe before use, and place them
away from any combustibles.
Actions to be taken for Very Hot Weather Warning

- When engaged in outdoor work or activities, drink plenty
of water and avoid over exertion. If not feeling well, take a rest in the
shade or cooler place as soon as possible.
- Avoid prolonged exposure under sunlight. Loose clothing,
suitable hats and UV-absorbing sunglasses can reduce the chance of sunburn
by solar ultraviolet radiation.
- Swimmers and those taking part in outdoor activities should
use a sunscreen lotion of SPF 15 or above, and should re-apply it frequently.
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