Weather warning level color four-level order?

The four-level order of warning level colors is blue, yellow, orange and red, and each color represents a different severity.

The level of early warning signal generally refers to the degree of harm caused by bad weather to human beings and animals.

Generally divided into four levels, each level has a different color. For example, blue corresponds to the fourth level, that is, the general level, yellow corresponds to the third level, that is, the heavier level, orange corresponds to the second level, that is, the severe level, and red corresponds to the first level, that is, the particularly serious level.

The four-level order of warning level color is blue, yellow, orange and red respectively.