What does Typhoon red warning signal mean?

1. red: it may be or has been affected by tropical cyclones within 6 hours, and the average wind power along the coast or land reaches more than 12, or the gust reaches more than 14 and may continue.

2. Orange: 12 hours may be or has been affected by tropical cyclones, the average coastal or land wind force is above 10, or the gust is above 12 and may continue.

3. Yellow: it may be or has been affected by tropical cyclones within 24 hours, and the average wind force along the coast or land is above 8, or the gust is above 10 and may continue.

4. Blue: It may or has been affected by tropical cyclones within 24 hours, and the average wind force along the coast or land is above 6, or the gust is above 8 and may continue.