How to warn of blizzard weather?

Blizzard is a certain disastrous weather. Within 24 hours, snowfall reaches more than 10 mm, which is often called a blizzard. According to the disastrous degree of blizzard, people divide its warning signals into four types: blue, yellow, orange and red warning signals.

1． The blue warning signal standard means that within 12 hours, the amount of snowfall will reach more than 4 mm, or it will reach more than 4 mm and continue to snow. At this time, the snowfall will cause serious damage to traffic or agriculture and animal husbandry. certain influence.

2． The yellow warning signal

The standard means that the amount of snowfall will reach more than 6 mm within 12 hours, or it has reached more than 6 mm and the snowfall continues.

3． Orange warning signal

The standard for this warning signal is that the amount of snowfall will reach more than 10 mm within 6 hours, or it has reached more than 10 mm and the snowfall continues.

Guidelines for defense against the above three early warning signals: the government and relevant departments must fulfill their responsibilities and take all aspects of defense measures; transportation, railway, electric power, communications and other departments should strengthen inspections of roads, railways and lines Maintenance, clean roads and melt snow; reduce unnecessary outdoor activities; for temporary buildings, strengthen scaffolding to prevent it from being crushed by snow, and drive outdoor livestock into sheds for feeding.

4. Red warning signal

The red warning is the most serious one. Its standard is that the amount of snowfall will reach more than 15 mm within 6 hours, or it has reached more than 15 mm and the snowfall continues, which will or has already affected traffic. and agriculture and animal husbandry have had a greater impact.

Defense Guide

All departments, especially government departments, must do emergency and rescue work to prevent snow disasters and frost damage according to their responsibilities; suspend classes and businesses when necessary (except for special industries) ; If necessary, shipping and passenger transportation will be suspended, and highways will be temporarily closed to prevent accidents.