Heilongjiang has issued 20 snowstorm warnings in succession. How serious is this snowfall?

Every weather will be divided into different levels according to its severity, so the snowstorm warning is no exception. It is divided into four levels, namely, the first level represented by blue, the second level represented by yellow, the third level represented by orange and the fourth level represented by red, which respectively represent different intensities, of which the blue level is the lowest and the intensity is the weakest, and the fourth level represented by red is the highest and the strongest.

There is also a certain standard to measure the level of blizzard, and reaching this standard belongs to this level. The highest level of blizzard in Heilongjiang province is the four-level warning represented by red, which is the most serious level. The measure of this level is that the current snowfall has reached 15mm, but this snowfall is still going on, or it may reach or exceed 15mm in the next six hours. This snowfall means that it will have a great impact on agriculture and will also bring great harm to travel safety.

165438+1October 19. In the early morning, Heilongjiang Province has issued 20 blizzard warning messages continuously, which shows the severity of the snowstorm. Affected by snowfall, roads in some cities are seriously frozen, and primary and secondary schools in some cities have issued notices of suspension of classes. For the safety of citizens' travel, kindergartens in some cities have also issued notices of suspension. By noon on June 5438+09, nearly half of the flights in Harbin Airport were cancelled due to heavy snow, because the visibility was around 400, which brought great inconvenience to the residents of Heilongjiang Province in travel, production and life.

In addition, affected by this snowfall, the surrounding cities of Heilongjiang Province and their interconnected roads and railways have different degrees of influence. For example, many highways in some provinces connected with Liaoning Province, Jilin Province, Inner Mongolia and Hebei Province have also taken road closure measures, and the specific recovery time of many sections is not clear. It depends on the follow-up situation of this blizzard, which shows how fierce the snow is.