What are the yellow warning signs of cold?

Cold warning signals are divided into three levels, in order: cold yellow warning signal, cold orange warning signal, and cold red warning signal. From yellow to orange to red, each one is colder than the other!

The meaning of the cold yellow warning signal: It is expected that due to the invasion of cold air from the north, the local temperature will drop sharply by more than 10℃ within 24 hours, or the daily average temperature will remain below 12℃. Extended information

When the meteorological department issues a cold wave warning signal, relevant departments and citizens must take preventive measures. The strong wind and cooling weather brought by strong cold air will have a greater impact on social production and residents' lives.

The meteorological department warns that ships on rivers, rivers, lakes and seawater should return to the port in time to berth during cold wave warnings; pedestrians should be careful not to ride bicycles as much as possible during strong winds, and do not ride on billboards or temporary structures. Stay nearby; strong winds and cooling can easily cause respiratory, cardiovascular and cerebrovascular diseases. Residents are asked to take precautions. Primary and secondary school students should add clothes to keep warm in time and pay attention to safety on the way to school; in rural areas, pay attention to keeping vegetables warm and antifreeze and strengthening greenhouse facilities. .

The arrival of the cold wave has great influence and wide range of influence, and the possibility of damage is extremely high. Only by taking response measures in advance can the relevant departments minimize the impact of the cold wave and avoid the serious consequences it brings. scope impact, reduce possible economic losses and damage to agriculture, and protect plastic greenhouses, fruit trees, and vegetables in agriculture.