What does Hong Kong 8 mean and what does it mean to the mainland?
TyphoonSays·防御问答 · Early warning signals · 更新 at 2026-07-16
What is Hong Kong 8?
When HKO (Hong Kong) sends this signal, it means that Hong Kong's offshore level is being or is expected to be blasted by a strong wind or storm, with a continuous wind speed of up to 63 to 117 km per hour, and winds may exceed 180 km per hour.
For at Hong Kong City citizens, No. 8 is not just a Weather data, but also a “switch” for social rhythm switching. Once the No. 8 windball is suspended, most schools will stop, non-necessary industries will usually stop, public transportation (such as metro, bus) may shrink or interrupt, and Stock City will also rest City. This mechanism is designed to give City citizens enough Time to escape home before the arrival of bad weather, reduce the risk of outdoor exposure. It should be noted that No. 8 windball is divided into four directions: NW, SW, NE and SE, respectively indicating the main direction of the strong wind, which helps the public to judge the strongest direction of the storm.
Correspondence with Mainland Typhoon Early Warning
Many mainland friends are curious, Hong Kong's 8th windball is comparable to at What color is the early warning for mainland?Al the two countries' early warning systems have different design logic—the mainland focuses on forecasting the impact of the next 24-48h, and Hong Kong focuses on immediate or short-term wind force threats—we can roughly match from the Wind Scale.
According to the national standard of the China Meteorological Bureau "Tropical Cyclone Rating", the Typhoon is divided by the highest wind force near the center. Hong Kong 8 windball corresponds to the continuous wind speed (63-117 km / h, that is, about 17.5-32.5 m / s), which roughly covers the mainland.Tropical Stormup toSevere Tropical StormEven touching it.Typhoon The lower level.
In the early warning color, it usually corresponds to the interior.Yellow Typhoon Warning或Early Warning Orange:
- Yellow Typhoon WarningIndicates that a tropical cyclone may be affected within 24 hours, and the average wind force is above 8 levels, which is closer to the wind force threshold of the 8th wind ball.
- Typhoon Early Warning Orange: 表示12h内可能受热带气旋影响, 平均wind force达10级以上. 如果8号风球伴随更强的阵风或更紧迫的Time窗口, 其危害程度可类比Early Warning Orange.
Please note that this match is not an absolutely accurate math exchange because there are differences between geographical environments, building resistance standards and defense focus.
Defence recommendations and actions
Wherever you are, in the face of this type of storm threat, the core principles are “avoid” and “prevent”.
- Stay inside.Do not go out, stay away from windows and glass doors, so as not to break injured persons.
- Strengthening the windows.: Check whether the home door windows are closed, clean the balcony pond, dirt, prevent high air falls.
- Reserve materialsPrepare adequate amounts of drinking water, food, charging supplies and common medicines in advance to prevent water shutdowns.
- attention to information: Pay close attention to the latest guidelines issued by the local meteorological department, do not lament rumors.
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This article is typhoonsay's original copy content, and the local policy standards are based on the local government's latest release.