All primary and secondary schools in Shaoxing are closed. What factors affect this?

In the Great Cold Season, the Provincial Meteorological Observatory predicts that the front of the strong cold air mass in the north will affect Zhejiang from the 20th, with widespread heavy snow and blizzard weather. At 11 a.m. on January 20, Yuecheng and Keqiao districts in Shaoxing launched a first-level response to extreme weather and officially issued a notice of school closures for primary and secondary schools. The specific school suspension arrangements are as follows: Yuecheng District Arrangements

City-level and Yuecheng District: On January 21st and 22nd, all primary and secondary schools (kindergartens) at the municipal level and Yuecheng District will be suspended. All social-funded schools will conduct all types of training before the winter vacation. Whether classes will resume on Monday, the 25th, will be informed to schools and parents before 12 noon on the 24th based on forecast information from the meteorological, transportation and other departments. If there are any adjustments to the final exam and vacation time, we will notify you later. Keqiao District Arrangements

Starting from the afternoon of January 20, primary and secondary schools and kindergartens in Keqiao District will be closed. The Education and Sports Bureau requires that each school (kindergarten) should use school communications, phone calls, etc. to notify the parents of each student, do a good job in contacting and communicating with parents, and implement the pick-up and drop-off work. For students whose parents fail to pick up and drop off in time, the school must implement Dedicated personnel will strengthen management to ensure students arrive home safely. If classes and schools need to be suspended on January 25, the Education and Sports Bureau will analyze with the Meteorological Department and notify the school by text message before 12:00 am on January 24. Shangyu District Arrangements

On the evening of January 19, the District Education and Sports Bureau issued an "Emergency Notice on Effectively Coping with Cold Waves and Rain, Snow and Freezing Weather." The class suspension arrangements that parents and netizens are concerned about are as follows:

On November 21-22, primary and secondary schools, kindergartens and various training institutions in the district will be suspended. If classes and schools need to be suspended on January 25, the Education and Sports Bureau will After analysis, the meteorological department notified the school by text message before 10:00 on the 24th. The school will notify parents through platforms such as School Newsletter. Parents are asked to pay attention to safety when picking up and dropping off their children. Shengzhou City:

All primary and secondary schools and kindergartens in the city will leave this afternoon and classes will be suspended starting tomorrow. Please inform each other!