香港補充天氣警告CWS

Features of this service:
No ads, unofficial forecasts, 21 existing warnings^+33 supplementary warnings^, multiple weather alerts, warning push and summary messages*, signal probability, record search

Tips: If you are using a smart watch/band, it is recommended to turn on notifications for this app to receive weather warnings and reminders.
^This unit has more than 30,000 warning hours in effect since May 2014.

1.【Supplementary Weather Warning】
‧District rainstorm: green northeast/southeast/southwest/northwest special rainstorm warning signal
‧Classified low temperature: cold weather warning for the New Territories, severe cold weather (intensified) warning signal (in the New Territories)
‧Classified high temperature: extremely hot weather warning signal, extremely hot weather enhanced warning signal
‧Classified monsoon: No. 2 signal of strong monsoon, No. 4 signal of strong monsoon
‧Enhanced typhoon: No. 3A Strong Wind and Offshore Gale Signal, No. 10 A Hurricane Enhanced Signal
‧Air Pollution: Yellow/Red/Black Haze Health Risk Warning Signal
‧Storm Surge: Early/Moderate/High/Extreme Storm Surge Warning Signal
‧Others: Extremely dry, rainstorm alert, Shihu wind, cyclone, swell, dense fog, severe disaster, etc.

2.【Existing Weather Warning】
Regarding the existing weather warning items of the official meteorological agency, when the unit analyzes that it is necessary to issue a certain warning, it will issue a supplementary weather warning with the same name.

3. [View the warning content in the push bar]
Expand the message in the push bar to directly view the concise text of the warning, for example:
‧Key areas indicated by the rainstorm warning signal, continuation*, and the approximate time of the next rain* (*if any)
‧Wind direction and effective time of strong Shihu winds (strong winds related to thunderstorms), and even the danger
‧Prediction of tropical cyclone orientation, impact on Hong Kong and signal changes
‧Predicted water level of storm surge
‧Strong monsoon wind
‧Key temperature reports and forecasts for cold/severely hot weather
‧Flooded sites in the northern New Territories (3 new sites, Hung Shui Kiu, Lam Tsuen Valley and Tai Mei Tuk)

4.【Weather Tips】
‧Weather Focus: Outlook concerns, weather changes, storm trends, etc.
‧Special report: Severe gusts, severe superposition, local torrential rain, No. 8 warning, etc.
‧Temperature change: cooling reminder, temperature difference between day and night, etc.
‧ Astronomical spring tide, red tide and other types

5.【History】
Search the warning records issued by this unit by date/keyword/abbreviation of warnings, including the text, for easy access to history and comparison of cases.

6.【Signal probability】
If feasible, a warning signal probability table# will be issued, indicating the estimated signal level and time that may take effect, so that citizens can know how to properly prepare for severe weather.
(#Only evaluate the opportunity of this unit to release signals, not the operation of official institutions)

7. [Hong Kong-style overseas typhoon]
Tropical cyclone warning signals (only applicable to No. 8 or above) are issued at several overseas travel or field locations frequently visited by Hong Kong people, including Taipei, Shanghai, Okinawa, Osaka, Tokyo and Seoul. It is convenient for Hong Kong people to understand.