1, white: Intertropical cyclone may affect this locality inside 48 hours, need the vigilant cyclone influence to place.
2, blue: Average wind-force can amount to 6
7 class, need easy solid of the content that be built by what wind puffs is close.
3, yellow: Average wind-force amounts to 8 class above, nursery school suspend class; Shipping is entered take shelter from the wind berth.
4, orange: Average wind-force amounts to 10 class above. The dweller does not go out at will; Suspend outdoor collective activity.
5, gules: Average wind-force 12 class or above. Defence is how-to: Close down suspend class.
Signal of typhonic blue early-warning shows the likelihood inside 24 hours suffers tropical depression to affect, average wind-force can amount to 6 class above, or flatus 7 class above; Already perhaps took low-pressure effect via be heated, average wind-force is 6 to 7 class, or flatus 7 last possibly to 8 class.
Signal of typhonic yellow early-warning shows the likelihood inside 24 hours suffers tropical storm to affect, average wind-force can amount to 8 class above, or flatus 9 class above; Already perhaps endured tropical storm to affect, average wind-force is 8 to 9 class, or flatus 9 last possibly to 10 class.
Signal of typhonic orange early-warning shows the likelihood inside 12 hours suffers effect of strong tropical storm, average wind-force can amount to 10 class above, or flatus 11 class above; Already perhaps endured strong tropical storm to affect, average wind-force is 10 to 11 class, or flatus 11 last possibly to 12 class.
Signal of typhonic red early-warning shows the likelihood inside 6 hours already perhaps endured a typhoon to affect, average wind-force can amount to 12 class above, already perhaps amounted to 12 class above and last possibly.

From; http://en.2008xm.com.cn/Travel-knowledge/200812/28-170.html