When a tropical cyclone forms within or enters the area bounded by 7-36N and 100-140E, the Observatory will issue the first tropical cyclone track within two hours...
The Hong Kong Observatory is a government department responsible for monitoring and forecasting weather, as well as issuing warnings on weather-related hazards. The Observatory also monitors and assesses radiation levels in Hong Kong, and provides other meteorological and geophysical services to meet the needs of the public and the shipping, aviation, industrial and engineering sectors.