How often does central weather bureau issue weather forecast?

The typhoon warning at sea found that the typhoon may hit the province or Jinma area, within 100 km from the coast.

If it is dangerous for offshore ships to sail, it should be released at least 24 hours before it may invade the province or Jinma offshore.

It is a principle to publish it every twelve hours in the future. In order to meet the needs of fishermen, since the typhoon season of 1965,

Now it has been published every six hours.

Second,

When the onshore typhoon warning finds that the typhoon may invade the province or Jinma land, it should be released at least 18 hours before the possible invasion.

In the future, it will be published every six hours, and it may be increased when necessary.