What are the natural phenomena before and after snow?

Classification: science and engineering disciplines

Analysis:

Judging from the weather and the reason for the snow:

Before it snows, the temperature is relatively low, the water vapor is relatively high, and the clouds are relatively thick and low, indicating that the weather is gloomy; If there is cold air going south, there will be windy weather, and there may be convective weather (such as thunderstorm and hail) when encountering a fast cold front.

The forms of solid precipitation are not only snow, but also sleet, graupel, rice snow and ice particles.

Possible weather phenomena after snow: blowing snow, blizzard, snow cover and freezing.