To what extent does it snow? The schools are closed.

If the snowfall reaches the snowstorm level in red warning signal, classes can be suspended.

Blizzard red warning signal is the highest warning signal of snowstorm issued by China's meteorological department, indicating that snowstorm weather has a serious impact, which may have a greater impact on transportation, agriculture and animal husbandry. According to the national standard, when the snowfall reaches 15mm or above within 6 hours, or when the snowfall has reached 15mm and the snowfall continues, the meteorological department will issue a blizzard red warning signal.

In case of snowstorm and red warning signal, the government and relevant departments will do a good job of emergency rescue to prevent snowstorm and freezing damage according to their duties. At the same time, according to the actual situation, measures can be taken to suspend classes or business (except for special industries) to ensure public safety. In this case, the school will be closed to ensure the safety of students.

In addition, when there is a snowstorm in red warning signal, we can take measures such as suspending the take-off and landing of aircraft, suspending the operation of trains, and temporarily closing highways to reduce the occurrence of traffic accidents. At the same time, relevant departments will do a good job in disaster relief in pastoral areas and help the affected farmers and herdsmen tide over the difficulties.

Features of Blizzard red warning signal:

1, Severe snowfall expectation: Blizzard red warning signal said that it is expected that there will be extremely serious snowfall in the future (usually within 6 hours). The intensity of this snowfall may have reached or exceeded the threshold that has a significant impact on transportation, agriculture and animal husbandry.

2. Strong persistence: The red warning of blizzard not only indicates the coming of heavy snowfall, but also implies that this bad weather condition may last for some time, further aggravating its impact on social and economic activities and people's lives.

3. Great impact on infrastructure: the red warning of blizzard means that the depth of snow may increase rapidly, which poses a serious threat to infrastructure such as road traffic, power supply and communication facilities. Expressway may be closed due to heavy snow, and flights may be cancelled or delayed due to poor visibility and icy runways.

Reference to the above content: Baidu Encyclopedia-Blizzard red warning signal