What is the highest color in the weather warning signal level?

The highest level weather warning signal is red.

Classification of meteorological risk early warning grades of geological disasters;

According to the risk degree of geological disasters, the meteorological risk warning of geological disasters is divided into four levels, from weak to strong:

Blue (Grade 4): indicates that there is a certain risk of geological disasters within 24 hours.

Yellow (Grade III): It means that the risk of geological disasters is high within 24 hours, and it is the first-level preparation level. Inform the threatened people and relevant staff to be vigilant and prepare for action.

Orange (Grade II): It means that the risk of geological disasters is high within 24 hours, and it is on standby, making all preparations for evacuation.

Red (Grade I): It means that the risk of geological disasters is high within 24 hours. For the evacuation level, organize evacuation according to the route and location determined by the disaster prevention and mitigation plan, and organize self-help and mutual rescue actions at the same time when disasters occur.

Release rules

Meteorological offices and stations affiliated to the competent meteorological departments at all levels make full use of radio, television, fixed networks, mobile networks, the Internet, electronic display devices and other means to release early warning signals to the society in a timely manner. When warning signals are issued in minority areas, in addition to the Chinese language, the local common minority languages are also used.

According to the Regulations on the Prevention and Control of Geological Disasters, China implements the geological disaster prediction system. The forecast mainly includes the possible time, place, disaster scope and influence degree of geological disasters. Geological disaster prediction shall be issued by the competent department of natural resources of the people's government at or above the county level in conjunction with the competent meteorological department. No unit or individual may release the geological disaster forecast to the society without authorization.

Huainan Municipal People's Government-What is the yellow warning of geological disasters?

Baidu Encyclopedia-Meteorological Disaster Warning Signal