It is expected that starting tomorrow, snowfall will occur again in Tianjin. This time it will last for a long time, from the day of the 13th to the morning of the 15th. The amount of snowfall during the process is expected to reach the level of heavy snow and local blizzard. The snowfall amount during the process is 5 to 10 mm, which is considered as heavy snow, and the local blizzard is 10 to 15 mm. Snow depth will reach 5 to 10 centimeters.