Cyclone warnings go in three stages-blue,yellow,....?

Question

Cyclone warnings go in three stages-blue,yellow,....?

Answer 1

From Wikipedia:

" . . . China Meteorological Administration standardized the system for national use.[3]

Blue alert: Winds may reach Beaufort Force 6 in 24 hours or winds of Beaufort Force 6~7 are already blowing.

Yellow alert: Winds may reach Beaufort Force 8 in 24 hours or winds of Beaufort Force 8~9 (gale force) are already blowing.

Orange alert: Winds may reach Beaufort Force 10 in 12 hours or winds of Beaufort Force 10~11 (storm force) are already blowing.

Red alert: Winds may reach Beaufort Force 12 in 6 hours or winds of Beaufort Force 12 (hurricane force) are already blowing."